{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:QKP476DPRMQTTLANTFDAEYR4Q4","short_pith_number":"pith:QKP476DP","schema_version":"1.0","canonical_sha256":"829fcff86f8b2139ac0d994602623c8727699f4207e2909a94b7a0f8bc4aa94f","source":{"kind":"arxiv","id":"1706.01224","version":1},"attestation_state":"computed","paper":{"title":"Quantitative estimates of the surface habitability of Kepler-452b","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"((1) INAF-OATs, (2) IGG-CNR, Antonello Provenzale (2), Giovanni Vladilo (1), Giuseppe Murante (1), Italy, Italy), Laura Silva (1), Pisa, Trieste","submitted_at":"2017-06-05T07:36:03Z","abstract_excerpt":"Kepler-452b is currently the best example of an Earth-size planet in the habitable zone of a sun-like star, a type of planet whose number of detections is expected to increase in the future. Searching for biosignatures in the supposedly thin atmospheres of these planets is a challenging goal that requires a careful selection of the targets. Under the assumption of a rocky-dominated nature for Kepler-452b, we considered it as a test case to calculate a temperature-dependent habitability index, $h_{050}$, designed to maximize the potential presence of biosignature-producing activity (Silva et al"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1706.01224","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-06-05T07:36:03Z","cross_cats_sorted":[],"title_canon_sha256":"2d88a9da0ece44fa5acefb0aa1a5341276e2d4a81d9a0de8af7d6a93b7ffe55c","abstract_canon_sha256":"f6712037ae5b0270e5f7cfe20443cdd115bc7c6b578f0a14a191cfbfd3b83812"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:39:34.257142Z","signature_b64":"tHepDyFL8FO4+z/pi5PmZk5PXBnGmMLy1oiYE+NUmaRJl0NizZY+S1Ko5cggBzq2R3YTwg8iexygnpNrbJjFBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"829fcff86f8b2139ac0d994602623c8727699f4207e2909a94b7a0f8bc4aa94f","last_reissued_at":"2026-05-18T00:39:34.256551Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:39:34.256551Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Quantitative estimates of the surface habitability of Kepler-452b","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"((1) INAF-OATs, (2) IGG-CNR, Antonello Provenzale (2), Giovanni Vladilo (1), Giuseppe Murante (1), Italy, Italy), Laura Silva (1), Pisa, Trieste","submitted_at":"2017-06-05T07:36:03Z","abstract_excerpt":"Kepler-452b is currently the best example of an Earth-size planet in the habitable zone of a sun-like star, a type of planet whose number of detections is expected to increase in the future. Searching for biosignatures in the supposedly thin atmospheres of these planets is a challenging goal that requires a careful selection of the targets. Under the assumption of a rocky-dominated nature for Kepler-452b, we considered it as a test case to calculate a temperature-dependent habitability index, $h_{050}$, designed to maximize the potential presence of biosignature-producing activity (Silva et al"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.01224","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1706.01224","created_at":"2026-05-18T00:39:34.256653+00:00"},{"alias_kind":"arxiv_version","alias_value":"1706.01224v1","created_at":"2026-05-18T00:39:34.256653+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.01224","created_at":"2026-05-18T00:39:34.256653+00:00"},{"alias_kind":"pith_short_12","alias_value":"QKP476DPRMQT","created_at":"2026-05-18T12:31:39.905425+00:00"},{"alias_kind":"pith_short_16","alias_value":"QKP476DPRMQTTLAN","created_at":"2026-05-18T12:31:39.905425+00:00"},{"alias_kind":"pith_short_8","alias_value":"QKP476DP","created_at":"2026-05-18T12:31:39.905425+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/QKP476DPRMQTTLANTFDAEYR4Q4","json":"https://pith.science/pith/QKP476DPRMQTTLANTFDAEYR4Q4.json","graph_json":"https://pith.science/api/pith-number/QKP476DPRMQTTLANTFDAEYR4Q4/graph.json","events_json":"https://pith.science/api/pith-number/QKP476DPRMQTTLANTFDAEYR4Q4/events.json","paper":"https://pith.science/paper/QKP476DP"},"agent_actions":{"view_html":"https://pith.science/pith/QKP476DPRMQTTLANTFDAEYR4Q4","download_json":"https://pith.science/pith/QKP476DPRMQTTLANTFDAEYR4Q4.json","view_paper":"https://pith.science/paper/QKP476DP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1706.01224&json=true","fetch_graph":"https://pith.science/api/pith-number/QKP476DPRMQTTLANTFDAEYR4Q4/graph.json","fetch_events":"https://pith.science/api/pith-number/QKP476DPRMQTTLANTFDAEYR4Q4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QKP476DPRMQTTLANTFDAEYR4Q4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QKP476DPRMQTTLANTFDAEYR4Q4/action/storage_attestation","attest_author":"https://pith.science/pith/QKP476DPRMQTTLANTFDAEYR4Q4/action/author_attestation","sign_citation":"https://pith.science/pith/QKP476DPRMQTTLANTFDAEYR4Q4/action/citation_signature","submit_replication":"https://pith.science/pith/QKP476DPRMQTTLANTFDAEYR4Q4/action/replication_record"}},"created_at":"2026-05-18T00:39:34.256653+00:00","updated_at":"2026-05-18T00:39:34.256653+00:00"}