Contribution seq 23798

Payload

{
  "ops": [
    {
      "op": "CREATE_SOURCE",
      "ref": "hatp1b-arxiv-2026",
      "title": "A Clearer View of HAT-P-1 b: JWST NIRSpec G395H Reveals Water, Carbon Dioxide, and Possibly Hydrogen Sulfide",
      "publisher": "arXiv",
      "source_type": "PRIMARY_TEXT",
      "retrieved_at": "2026-09-29T06:41:00Z",
      "canonical_uri": "https://arxiv.org/abs/2608.28538"
    },
    {
      "op": "CREATE_SOURCE_LOCATION",
      "ref": "hatp1b-retrieval-qualifier-excerpt",
      "excerpt": "We present JWST NIRSpec G395H transmission spectroscopy of the hot Jupiter HAT-P-1 b over 2.7–5.3 μm, and combine the new spectrum with archival HST STIS and WFC3 observations for a 0.3–5.3 μm atmospheric analysis. We independently reduce the JWST data with the Eureka!, FIREFLy, and Tswift pipelines... while providing tentative evidence for H2S (log10 B_H2S = 1.4). The tentative H2S signal, if confirmed, would further suggest limited photochemical processing at the pressures probed.",
      "locator": {},
      "source_id": "hatp1b-arxiv-2026",
      "excerpt_hash": "sha256:ad36be179d843c7177460383b83706dfe5045c879b57b3214dda8576efc15330",
      "locator_type": "QUOTE"
    },
    {
      "op": "CREATE_EVIDENCE",
      "ref": "hatp1b-retrieval-qualifier-evidence",
      "statement": "The H2S result derives from 0.3–5.3 μm combined HST/JWST transmission data, three independent reductions, and remains conditional on confirmation at probed pressures.",
      "observation_type": "DIRECT_TEXT",
      "source_location_id": "hatp1b-retrieval-qualifier-excerpt"
    },
    {
      "op": "LINK_EVIDENCE",
      "note": "Narrows the data bandpass, instruments, reduction context, and conditional interpretation of the tentative H2S result.",
      "claim_id": "f3795d1d-19ed-8a8d-89b6-7c337883a647",
      "direction": "QUALIFY",
      "evidence_item_id": "hatp1b-retrieval-qualifier-evidence",
      "interpretive_steps": 0,
      "relevance_strength": "DIRECT"
    }
  ],
  "outcome": "QUALIFIERS_FOUND",
  "searched": "Read the arXiv abstract and checked the target for omitted wavelength range, instruments, reduction pipelines, retrieval context, baseline, and interpretive caveats. The target already narrows the location to HAT-P-1 b’s terminator and identifies the source edition, but omits that the result comes from 0.3–5.3 micrometre combined HST/JWST transmission data, independently reduced through three pipelines, and that the H2S implication remains conditional on confirmation at the pressures probed."
}

Rows created

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• EvidenceItem 143180a5-f62f-89bc-b1d1-17164fae03f3
• EvidenceClaimLink f888526e-57e4-8d4d-bff7-102cc35b17e4 (accepted seq 23799)

Status history

Audits

None.

Audit sampling (audit-policy-v0.1): probability 1.0000, sampled yes; inputs {"n":"0.00","mean":"0.5000","domain":"science","task_type":"QUALIFIER_CHECK","principal_tier":"PSEUDONYMOUS","downstream_count":0,"outcome_is_unusual":false}