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Harmar Pinnacle SL600 Review for Straight Stairs

The Harmar Pinnacle SL600 is a good fit for a single-flight, straight, un-landed indoor staircase when the user weighs no more than 350 pounds and narrow folded clearance matters.

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stairliftsPublished by Aging in Place Index to support informed aging-in-place decisions.
By
Aging in Place Index Editorial Team
Published
Updated

Answer Capsule

The Harmar Pinnacle SL600 is a good fit for a single-flight, straight, un-landed indoor staircase when the user weighs no more than 350 pounds and narrow folded clearance matters. Six of the seven included platforms named it during ranking discovery, and all seven rated it a good or strong fit for this use case. Its strongest case rests on a published 10.5-inch folded width, a 350-pound capacity, an upper-landing swivel seat, obstruction sensors, and battery-backed operation. The main limitation is pricing opacity: Harmar publishes no fixed SL600 equipment price, installed quotes vary widely by dealer, and public listings disagree on whether installation, accessories, and warranty labor are included.

Research Snapshot

FieldFinding
Platform mentions in ranking stage6 of 7 included platforms (anthropic, deepseek, google, grok, kimi, openai)
Share of included platform responses85.7%
Average listed rank4.0
Best listed rank1 (openai)
Relevant product/model/planHarmar Pinnacle SL600 Premium Straight Stairlift (straight rail); SL600HD is a separate heavy-duty model
Overall use-case fitGood (six platforms rated good; google and grok rated strong)
Research date2026-09-25

What Changed Since August 2026

Harmar Pinnacle SL600 moved down from No. 2 to No. 3, and platform mentions increased from 5 to 6. The September 2026 review keeps the same core buyer fit for the Harmar Pinnacle SL600: a straight, un-landed indoor staircase, a 350-pound user limit, narrow folded clearance, obstruction sensors, and battery-backed operation. The most consequential shift is pricing evidence. A dealer service-consultation charge of $100 is newly reported, while installed estimates of $2,800 to $6,000 are no longer repeated. Installation expectations were also reworked: the review now notes 4 to 5 hours and 1 to 2 days from some sources, alongside a battery replacement interval of 1 to 2 years. Recommended configuration is unchanged. Differences between the two editions reflect what each article reports; they do not by themselves prove that the product, service, or price changed.

The August 2026 review preserves the earlier article for reference.

Why Harmar Pinnacle SL600 Qualified for This Study

Questions This Section Answers

  • Is the Harmar Pinnacle SL600 a good choice for a single-flight straight staircase in a two-story home?
  • How many AI platforms named the Harmar Pinnacle SL600 for straight-stair use, and at what average rank?

The Harmar Pinnacle SL600 qualified because it is a straight-rail product, not a general-purpose lift. Harmar states the Pinnacle straight models are designed for straight staircases without curves, with track specified for 15 feet 6 inches to 70 feet of travel and stair inclines of 27 to 52 degrees; inclines above 45 degrees may require local approval [1]. Independent reseller material repeats the straight-rail positioning and the 350-pound rating [3].

Six of the seven included platforms named the entity during ranking discovery, a share of 85.7%. Listed ranks ranged from 1 (openai) to 9 (deepseek), producing an average listed rank of 4.0. The seventh included platform, perplexity, did not appear in the ranking-stage mention list but did supply a full fit assessment for this use case.

Qualification also reflects the study's category criteria: standard rail fit, installation time, seat swivel and comfort, weight capacity, safety obstruction sensors, and base equipment price. The SL600 has published answers for most of those criteria and a documented gap on one — base equipment price.

The Product, Model, Plan, or Service Most Relevant to Single-Flight Straight Staircases

Questions This Section Answers

  • Which exact Harmar Pinnacle SL600 model should a buyer request for a straight staircase, and how does it differ from the SL600HD?
  • Does the Harmar Pinnacle SL600 straight rail fit a staircase with a curve or an intermediate landing?

The relevant product is the standard Harmar Pinnacle SL600 straight stairlift, marketed in some listings as the SL600 Pinnacle Premium or SL600 Pinnacle Straight Stairlift. It is rated for 350 pounds and is a different machine from the SL600HD, which Harmar lists as a 600-pound heavy-duty straight stairlift [5].

That distinction is the single most important naming issue in this review. The ranking-stage names supplied by the platforms blend SL600, SL600HD, SL600 Pinnacle, Pinnacle Premium, and generic "straight rail" descriptions. Harmar identifies the SL600HD as a separate model with a wider folded profile and a slower published speed than the standard SL600 [5]. Buyers should confirm the exact model number on the written quote and on the serial-number documentation.

For a genuinely straight, single-flight staircase with no curve and no intermediate landing, the standard SL600 is the configuration the platforms evaluated. If the staircase turns or has a landing, the SL600 is not the right product family at all; a curved-rail model is required [5].

What the AI Platforms Agreed About

Questions This Section Answers

  • What do AI platforms agree the Harmar Pinnacle SL600 does well on a straight staircase?
  • Is the Harmar Pinnacle SL600's 350-pound weight capacity enough for most seniors using a straight stairlift?

Agreement was strong, though not unanimous in degree. All seven included platforms rated the SL600 a good or strong fit for single-flight straight staircases. Six rated it good (openai, anthropic, deepseek, kimi, perplexity) and two rated it strong (google, grok).

The clearest shared findings:

  • Straight-rail fit. Harmar markets the Pinnacle line specifically for straight stairs, and the rail is designed to be cut to the length of a straight run [9].
  • 350-pound capacity. The standard SL600 is rated at 350 pounds across official and independent sources [11].
  • Narrow folded profile. Multiple sources cite a folded width of approximately 10.5 inches from the wall (anthropic:2-11, anthropic:9-5, anthropic:38-4, google:lifeway_mobility).
  • Swivel seat at the upper landing. The seat rotates at the top of the flight to aid dismounting, with an interlock that prevents operation unless the seat is locked in position [11].
  • Obstruction sensors. Footrest and chassis sensors stop the lift when an obstruction is detected, alongside an overspeed brake and retractable seat belt [11].
  • Low-maintenance drive. Harmar describes a helical worm gear drive with a nylon polymer gear rack requiring no grease or lubrication [13].
  • Battery-backed operation. Harmar states the SL600 can provide up to 60 up-and-down cycles during a power outage, depending on battery condition [11].

Agreement among AI platforms reflects shared source material, much of it company-owned. It is not evidence of product quality or independent performance testing.

Where the AI Platforms Disagreed or Were Uncertain

Questions This Section Answers

  • How long does Harmar Pinnacle SL600 installation actually take on a straight staircase?
  • How many battery backup trips does the Harmar Pinnacle SL600 deliver during a power outage?

Several material conflicts surfaced, and buyers should treat each as unresolved.

Battery backup cycles. Harmar's official product page states up to 60 up-and-down cycles during a power outage [15]. Independent retailers and at least one manual source cite 40 trips (anthropic:1-1, anthropic:18-6). Grok reported both figures depending on source and load (grok:0). The real-world number for a specific staircase length and rider weight is not established by the supplied evidence.

Installation time. One independent retailer states professional installation in 90 minutes or less (anthropic:12-2). Another estimates 4 to 5 hours at $75 per hour (anthropic:16-2). An independent 2026 cost guide estimates 1 to 2 days for straight Harmar installations [17]. Kimi reported 2 to 4 hours (kimi:independent_reviews). Harmar's own guidance says straight stairlift installation is less involved than curved, can often be done by one or two installers, and does not require drilling into every step, but publishes no SL600-specific time guarantee [18]. No manufacturer-guaranteed installation duration was located.

Folded width. Most sources cite 10.5 inches (anthropic:2-11, anthropic:9-5, anthropic:38-4). One retailer lists 11 inches. Kimi reported 11 to 13 inches depending on configuration (kimi:stairlift_review_2024). Harmar states that adding a folding rail increases folded width to approximately 13.6 inches [15]. These are not necessarily contradictory — they may reflect different measurement points or optional rail configurations — but the buyer should measure rather than assume.

Weight capacity of the standard model. Most sources say 350 pounds [15]. Kimi reported 300 pounds for the standard SL600 (kimi:harmar_official). This is a direct conflict on a safety-relevant specification and should be confirmed in writing with the dealer.

Warranty terms. Harmar lists a 10-year gear-rack warranty, 1-year battery warranty, and lifetime motor warranty for units produced after September 2018 [15]. An official PDF lists 3-year parts and 1-year battery [21]. Anthropic reported 2-year parts or limited lifetime depending on source, and noted the SL600HD carries 3-year parts coverage (anthropic:31-5, anthropic:31-6). Coverage gaps are unclear.

Swivel power. The published 85-degree swivel is manual in the standard specification; powered swivel availability and price should be confirmed [15]. Deepseek described the Pinnacle line as including a powered swivel seat [22], which conflicts with the standard-specification reading.

Power source. Kimi reported the base SL600 as AC-powered with battery backup as an optional upgrade (kimi:harmar_official). Other platforms describe battery operation as integral to the product [15]. This affects outage resilience and should be verified.

Customer service. Anthropic cited complaints about dealer unresponsiveness, warranty disputes, a $100 service consultation charge, and Harmar not providing direct customer support (anthropic:46-8, anthropic:46-9). Anthropic also cited positive feedback from other review sources. The variability appears tied to dealer performance rather than the product itself, but the supplied evidence does not resolve it.

Use-Case-Specific Features and Capabilities

Questions This Section Answers

  • What safety sensors and interlocks does the Harmar Pinnacle SL600 include for a straight staircase installation?
  • Does the Harmar Pinnacle SL600 keep working during a power outage on a straight staircase?

The SL600's feature set maps directly onto the six category criteria used in this study.

CriterionFindingAssessment
Standard rail fitDesigned for straight staircases without curves; track specified 15'6" to 70'; inclines 27° to 52°, with above 45° possibly needing local approval [23]Advantage
Installation timeNo manufacturer-guaranteed duration; independent estimates range from 90 minutes to 4–5 hours to 1–2 days [25]Unclear
Seat swivel and comfort85° swivel at upper landing with interlock; upholstered seat and backrest, padded armrests, retractable belt, 19" × 16" seat bottom [23]Advantage
Weight capacity350 lb standard; SL600HD is a separate 600 lb model [23]Advantage
Safety obstruction sensorsFootrest and chassis sensors stop the lift on obstruction; overspeed brake, interlocked swivel, LED alerts [23]Advantage
Base equipment priceNo fixed manufacturer price published; estimates vary widely [27]Unclear

Additional published specifications: the SL600 folds to approximately 10.5 inches from the wall, and a folding rail raises that to approximately 13.6 inches [23]. Harmar lists ETL certification and conformity with CSA B44.1/ASME A17.5-2019 and ASME A18.1-2020, and describes the SL600 as rated for commercial and residential use [23]. Local installation requirements and approvals still need confirmation.

One user-reported limitation appeared in the evidence: at least one user said the SL600 required the rider to be tall to use it comfortably (anthropic:40-3, anthropic:40-4). This is a single reported experience, not a verified design limitation, but shorter buyers should test the seat in person.

Pricing, Fees, Contracts, and Ongoing Costs

Questions This Section Answers

  • How much does a Harmar Pinnacle SL600 cost installed for a straight staircase, and what does the quote include?
  • Are there cancellation, return, or restocking fees on a Harmar Pinnacle SL600 for a straight staircase?

Pricing is the weakest evidence area in this review. Harmar publishes no fixed SL600 equipment price on the official product page [31]. Harmar's 2026 planning guidance gives approximately $4,000 to $5,000 for a new straight stairlift and explains that pricing varies by dealer and installation conditions [33].

Independent and reseller figures conflict:

Source typeFigureNotes
Harmar planning guidance~$4,000–$5,000New straight stairlift, dealer-dependent [33]
Independent cost guide~$4,495 installedSL600 example [34]
Reseller listing$4,495 installedAdvertised with $880 savings from $5,375 MSRP (anthropic:23-1)
Reseller listing$5,375 MSRPPre-discount list figure [35]
Third-party catalog$6,299Harmar SL600 Pinnacle Premium listing [36]
Third-party seller$4,495Harmar Pinnacle Premium listing [37]
Dealer estimate$4,000 plus installation at $75/hour, 4–5 hours(anthropic:16-2)
Third-party range$3,500–$6,500 installedStandard SL600 (kimi:stairlift_review_2024)
Dealer examples~$4,500 installedStraight models generally $2,500–$5,000 installed (grok:10)
Base equipment~$4,400–$4,900(google:usa_medical_supply)

These figures are not directly comparable. Public listings differ on whether installation, accessories, tax, shipping, and warranty labor are included [35]. Some third-party listings may use "SL600" and "SL600HD" inconsistently.

Additional fees reported across platforms include installation labor if not bundled, in-home assessment, shipping or freight, sales tax, local permit or inspection charges, longer or additional rail, folding rail, power swivel, power footrest, key lock, manual lowering tool, electrical work, non-standard mounting, and removal of an existing lift [38].

Contract terms are dealer-specific. No universal Harmar cancellation, return, rental, or financing terms were verified [38]. Grok reported that units are non-returnable due to custom-cut and hygiene reasons under dealer policy (grok:0). Google reported that stairlifts are generally non-returnable once installation begins because the rail is custom-cut (google:usa_medical_supply). Kimi reported no national right-of-return policy and dealer-specific cancellation terms (kimi:harmar_official).

Ongoing costs are also unresolved. Anthropic reported post-warranty service calls at $100 or more per dealer visit and an annual inspection or tune-up referenced at $99 per year by at least one dealer (anthropic:16-2, anthropic:46-8). Battery replacement pricing and expected replacement interval were not verified by any source [38]. Anthropic reported battery replacement averaging every 1 to 2 years depending on usage, with a 1-year battery warranty (anthropic:16-2).

Best Suited For

Questions This Section Answers

  • Who is the Harmar Pinnacle SL600 best suited for on a single-flight straight staircase?
  • Is the Harmar Pinnacle SL600 worth it for a narrow staircase where walking clearance matters?

The SL600 is best suited to a specific buyer profile. A senior with declining mobility in a two-story home, using a genuinely straight and un-landed indoor staircase, weighing no more than 350 pounds, and prioritizing narrow folded clearance, swivel-seat dismounting, obstruction sensors, and battery-backed operation is the core fit [39].

It also suits households where the staircase must remain usable by other people. The 10.5-inch folded profile is the most frequently cited advantage across platforms (anthropic:2-11, anthropic:9-5, anthropic:38-4, google:lifeway_mobility). Buyers who want a low-maintenance track with no grease or lubrication are also a match [41].

Buyers who want a dealer-installed residential product with published safety and warranty specifications, and who are willing to obtain an itemized in-home quote, are the intended purchasers [39]. Harmar sells through local LiftSquad-certified dealers who complete factory training, carry insurance, and pass annual background checks (official:C1).

Probably Not Best Suited For

Questions This Section Answers

  • Who should not choose the Harmar Pinnacle SL600 for a straight staircase?
  • Is the Harmar Pinnacle SL600 a poor choice for a buyer who wants published, fixed online pricing?

The SL600 is probably not the best choice in several situations, and the platforms were consistent on most of them.

Buyers weighing more than 350 pounds should look at the SL600HD instead, which Harmar lists at 600 pounds [43]. Buyers whose staircase has a curve, a turn, or an intermediate landing need a curved-rail product; the SL600 cannot serve that geometry [43].

Buyers who want a published, fixed equipment price before engaging a dealer will be frustrated. Harmar does not publish one [45]. Buyers who prioritize direct manufacturer customer support over a dealer-based service model should note that Harmar routes service through dealers, and at least one review source documented complaints about reaching Harmar directly and about dealer consultation fees (anthropic:46-8, anthropic:46-9).

Buyers seeking the lowest-cost straight stairlift, or a DIY installation, are also outside the fit. The SL300 is the smaller, potentially lower-cost Harmar alternative for users within its 300-pound rating [43]. Professional installation is required (anthropic:16-2).

Finally, buyers who need a folding rail should measure the resulting bottom-landing width first. A folding rail increases folded width to approximately 13.6 inches, which may create a landing-clearance tradeoff [43].

When Another Option May Be Better

Questions This Section Answers

  • What is a better alternative to the Harmar Pinnacle SL600 for a buyer who needs more than 350 pounds of capacity?
  • When should a buyer choose a different brand instead of the Harmar Pinnacle SL600 for a straight staircase?

Several alternatives were named across platforms, each tied to a specific criterion.

Higher capacity. The Harmar SL600HD is the direct Harmar alternative at 600 pounds, accepting a wider folded profile and slower published speed [47]. Stannah 600 was also named as a heavy-duty alternative.

Lower equipment price. The Harmar SL300 is the smaller, potentially lower-cost variant for users within its 300-pound rating [47]. Entry-level Bruno and Acorn models were also named.

Direct manufacturer support. Bruno Elan and Acorn were named for buyers who prioritize direct company support models over dealer-only service.

Published fixed pricing or self-service purchase. Deepseek and perplexity both flagged that buyers wanting transparent online pricing or minimal dealer interaction should compare other brands.

Curved or multi-landing staircases. The Harmar Helix curved model or a modular curved stairlift is required.

Local dealer coverage, service terms, or a lower written installed quote. Bruno, Stannah, Acorn, and Handicare were named as comparison points when local coverage, warranty labor, or a lower written quote is more favorable.

Powered swivel or powered folding as standard. Other manufacturers offer these as standard rather than optional.

Wheelchair or scooter access. Harmar's vertical platform lifts or alternative home lift systems are the relevant product family, not a stairlift.

Questions to Verify Before Buying

Questions This Section Answers

  • What should a buyer confirm in writing with the Harmar Pinnacle SL600 dealer before signing?
  • How can a buyer confirm the Harmar Pinnacle SL600 quote is for the standard model and not the SL600HD?

The platforms converged on a similar verification list. Buyers should get written answers to each of these before signing.

  1. Is the quoted product specifically the standard SL600, not the SL600HD or SL300? [49]
  2. What is the confirmed weight capacity for the exact model being quoted? [51]
  3. What are the measured stair angle, rail length, top and bottom clearances, and folded-width clearance? [49]
  4. Is the seat swivel manual or powered, and is the powered option included or extra? [49]
  5. Are installation, in-home assessment, freight, tax, permits, and removal of packaging or an old lift included? [49]
  6. Does the quote include a folding rail, and what will the resulting bottom-landing width be? [49]
  7. What is the promised installation date and expected installation duration? [49]
  8. Who performs warranty labor and service in the buyer's ZIP code, and what are response times and trip charges? [49]
  9. What is the replacement-battery price and expected replacement interval? [49]
  10. What return, cancellation, rental, financing, and refund rules apply after the in-home measurement or installation? [49]
  11. Does the buyer's weight, seating posture, transfer ability, and landing geometry fit the SL600 safely according to the dealer's assessment? [49]
  12. Does the base configuration include battery backup, or is it an upgrade? (kimi:harmar_official)
  13. Does any local jurisdiction require approval for the staircase incline? [49]

Final AI Consensus Verdict

The Harmar Pinnacle SL600 is a good fit for a single-flight, straight, un-landed indoor staircase when the user weighs no more than 350 pounds and narrow folded clearance, swivel-seat dismounting, obstruction sensors, and battery-backed operation are priorities. Six of seven included platforms named it during ranking discovery, and all seven rated it good or strong for this use case.

The consensus is not unqualified. The principal buying risks are unclear total pricing, dealer-dependent installation and service, and confusion between the standard SL600 and the heavier SL600HD. Published specifications also conflict on battery backup cycles, installation time, folded width, standard-model weight capacity, and warranty terms. Buyers should obtain an itemized in-home quote that names the exact model and states what is included, and should confirm the conflicting specifications in writing before purchase.

How This Review Was Produced

This review evaluates the Harmar Pinnacle SL600 only for the Single-Flight Straight Staircases use case. It is not a broad company review of Harmar.

Seven AI platforms were included in the study: anthropic, deepseek, google, grok, kimi, openai, and perplexity. Each supplied a fit assessment, use-case findings, pricing and terms, limitations, and questions to verify before buying. Six of the seven named the entity during ranking discovery; perplexity supplied a fit assessment without appearing in the ranking-stage mention list.

Ranking statistics reflect the ranking stage only. Fit ratings reflect each platform's own assessment for this use case. Platform agreement reflects shared source material and does not establish product quality, safety, or performance.

The consensus index for this category is available at Single-Flight Straight Staircases, which lists the other models evaluated for the same buyer profile.

Buyers comparing across the wider category can browse the full stairlifts directory.

Methodology Limitations

Several limitations apply to this review and should be weighed before acting on it.

Platform-reported evidence. Citations are platform-reported evidence, not independently verified facts. The supplied URLs were collected from platform responses and were not independently validated by the writer stage. No-search model claims require explicit verification before being described as current facts.

Research date discrepancies. The authoritative run research date is 2026-09-25. Six platforms reported that date. Deepseek reported 2026-02-14, and deepseek also ran with search disabled. Platform-reported dates are provenance metadata and do not independently prove freshness.

Ranking versus fit. All included platforms evaluated fit, but the platform mention count includes only platforms that named the entity during ranking discovery. A platform can supply a fit assessment without appearing in the ranking-stage mention list.

Unresolved conflicts. Conflicting product names, pricing, and capabilities were not resolved by guessing. Where sources disagreed, this review describes the conflict and identifies what the buyer should verify.

Missing pricing. No fixed manufacturer-direct SL600 price was verified. All pricing figures are indicative and should be treated as estimates until an itemized in-home quote identifies the exact model and included services.

No independent testing. No independent comparative or safety test evidence was located in the supplied sources. Company claims were not corroborated by independent testing.

Dealer variability. Dealer service quality, response time, installation workmanship, and total installed cost can vary by location. The supplied evidence does not establish service performance in any specific market.

Model naming. The ranking-stage names combine SL600, SL600HD, SL600 Pinnacle, Pinnacle Premium, and straight-rail descriptions. The standard SL600 and SL600HD are not the same model, and some third-party listings may use the names inconsistently.

See the broader Straight Stairs consensus index for comparisons across qualified options.

Sources

Company-Owned Sources

Independent Sources

Other Sources

  • Stair Lifts And Accessories - Catalog: https://dmes.com/catalog/category/stair-lifts-and-accessories
  • Harmar Pinnacle Premium Stair Lift: https://medmartonline.com/harmar-pinnacle-sl600
  • Additional AI research evidence51 records
    1. AI research evidence record openai:c1
    2. AI research evidence record openai:c2
    3. AI research evidence record perplexity:c6
    4. AI research evidence record perplexity:c9
    5. AI research evidence record openai:c1
    6. AI research evidence record perplexity:c3
    7. AI research evidence record deepseek:c1
    8. AI research evidence record perplexity:c1
    9. AI research evidence record deepseek:c1
    10. AI research evidence record perplexity:c1
    11. AI research evidence record openai:c1
    12. AI research evidence record perplexity:c6
    13. AI research evidence record perplexity:c4
    14. AI research evidence record perplexity:c12
    15. AI research evidence record openai:c1
    16. AI research evidence record perplexity:c12
    17. AI research evidence record openai:c4
    18. AI research evidence record perplexity:c5
    19. AI research evidence record perplexity:c7
    20. AI research evidence record perplexity:c1
    21. AI research evidence record perplexity:c2
    22. AI research evidence record deepseek:c1
    23. AI research evidence record openai:c1
    24. AI research evidence record openai:c2
    25. AI research evidence record openai:c4
    26. AI research evidence record openai:c5
    27. AI research evidence record openai:c3
    28. AI research evidence record openai:c6
    29. AI research evidence record perplexity:c10
    30. AI research evidence record perplexity:c11
    31. AI research evidence record deepseek:c1
    32. AI research evidence record perplexity:c1
    33. AI research evidence record openai:c3
    34. AI research evidence record openai:c4
    35. AI research evidence record openai:c6
    36. AI research evidence record perplexity:c10
    37. AI research evidence record perplexity:c11
    38. AI research evidence record openai:c1
    39. AI research evidence record openai:c1
    40. AI research evidence record perplexity:c1
    41. AI research evidence record perplexity:c4
    42. AI research evidence record deepseek:c1
    43. AI research evidence record openai:c1
    44. AI research evidence record perplexity:c3
    45. AI research evidence record deepseek:c1
    46. AI research evidence record perplexity:c1
    47. AI research evidence record openai:c1
    48. AI research evidence record perplexity:c3
    49. AI research evidence record openai:c1
    50. AI research evidence record perplexity:c1
    51. AI research evidence record deepseek:c1

Verify This Research

Review the study details behind this page or download the public machine-readable verification record.

Study date
September 25, 2026
Platforms analyzed
7
Source records
35
Ranking mentions
6 of 7
Platform share
86%
Final consensus rank
#3

Research trail and source mix

Configured platforms

openai, anthropic, deepseek, grok, perplexity, kimi, google

Source mix

22 independent · 11 company-owned · 2 unclear

Evidence support

21 direct · 13 partial

Important limitation

Use the run research_date as the study date. Platform-reported dates are provenance metadata and do not independently prove freshness.

Source snapshot SHA-256 ac0472b7601ee6415fdae6bc3cf55bc6d825748a267e7d44802b9d5ea6c47392

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