{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2005:FW7LWEYJXHFUZ4GKVVQ5J2D22J","short_pith_number":"pith:FW7LWEYJ","canonical_record":{"source":{"id":"astro-ph/0512053","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-12-02T02:47:13Z","cross_cats_sorted":["astro-ph.EP","astro-ph.IM"],"title_canon_sha256":"cab8d762b609956a322933d3026f854277c2acba6871cfa60e3e4a661f28f588","abstract_canon_sha256":"08504d977c4afedaaeb3d14af1ce27db59627df4d5cc2543cdaa77904e448072"},"schema_version":"1.0"},"canonical_sha256":"2dbebb1309b9cb4cf0caad61d4e87ad26d705a295be2659b52a574408003c632","source":{"kind":"arxiv","id":"astro-ph/0512053","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0512053","created_at":"2026-05-18T04:26:44Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0512053v1","created_at":"2026-05-18T04:26:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0512053","created_at":"2026-05-18T04:26:44Z"},{"alias_kind":"pith_short_12","alias_value":"FW7LWEYJXHFU","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"FW7LWEYJXHFUZ4GK","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"FW7LWEYJ","created_at":"2026-05-18T12:25:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2005:FW7LWEYJXHFUZ4GKVVQ5J2D22J","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0512053","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-12-02T02:47:13Z","cross_cats_sorted":["astro-ph.EP","astro-ph.IM"],"title_canon_sha256":"cab8d762b609956a322933d3026f854277c2acba6871cfa60e3e4a661f28f588","abstract_canon_sha256":"08504d977c4afedaaeb3d14af1ce27db59627df4d5cc2543cdaa77904e448072"},"schema_version":"1.0"},"canonical_sha256":"2dbebb1309b9cb4cf0caad61d4e87ad26d705a295be2659b52a574408003c632","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:26:44.458632Z","signature_b64":"hsF60SXkExwanAF+hED3amlAr9yRnrGAovtmpB5IONsBk59g512JG03dLyCO/i2rL1TH1cOdbGw74Zy4R/pNDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2dbebb1309b9cb4cf0caad61d4e87ad26d705a295be2659b52a574408003c632","last_reissued_at":"2026-05-18T04:26:44.458073Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:26:44.458073Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0512053","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:26:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Yxrc+wVING23YAfJNrIvW4BgSJ72Q7uxJXV8Dyl3MmI6veaDLct/uYkZ9TB8Fz+2+Tx1yN07AN6x+mh9jR/OCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T20:10:36.165742Z"},"content_sha256":"02b0ec7f932c688068e5e4849cfb877030843be7efc5b201ffd2bfe4ff44dbc2","schema_version":"1.0","event_id":"sha256:02b0ec7f932c688068e5e4849cfb877030843be7efc5b201ffd2bfe4ff44dbc2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2005:FW7LWEYJXHFUZ4GKVVQ5J2D22J","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Atmospheric Biomarkers and their Evolution over Geological Timescales","license":"","headline":"","cross_cats":["astro-ph.EP","astro-ph.IM"],"primary_cat":"astro-ph","authors_text":"K. Jucks, L. Kaltenegger, W.Traub","submitted_at":"2005-12-02T02:47:13Z","abstract_excerpt":"The search for life on extrasolar planets is based on the assumption that one can screen extrasolar planets for habitability spectroscopically. The first space born instruments able to detect as well as characterize extrasolar planets, Darwin and terrestrial planet finder (TPF-I and TPF-C) are scheduled to launch before the end of the next decade. The composition of the planetary surface, atmosphere, and its temperature-pressure profile influence a detectable spectroscopic signal considerably. For future space-based missions it will be crucial to know this influence to interpret the observed s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0512053","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:26:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/cl39mGQp9WBi/buKX5N3/Gk//XLp8kTZlKf6nPD/bvH24UpHK6ku+SpNVtzrH82GuZ8YkCa5jsLzNm+nG+/CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T20:10:36.166086Z"},"content_sha256":"b7fff39568939e96f6bf735a939183a1823907af176985aac24041606791b72a","schema_version":"1.0","event_id":"sha256:b7fff39568939e96f6bf735a939183a1823907af176985aac24041606791b72a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FW7LWEYJXHFUZ4GKVVQ5J2D22J/bundle.json","state_url":"https://pith.science/pith/FW7LWEYJXHFUZ4GKVVQ5J2D22J/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FW7LWEYJXHFUZ4GKVVQ5J2D22J/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-28T20:10:36Z","links":{"resolver":"https://pith.science/pith/FW7LWEYJXHFUZ4GKVVQ5J2D22J","bundle":"https://pith.science/pith/FW7LWEYJXHFUZ4GKVVQ5J2D22J/bundle.json","state":"https://pith.science/pith/FW7LWEYJXHFUZ4GKVVQ5J2D22J/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FW7LWEYJXHFUZ4GKVVQ5J2D22J/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:FW7LWEYJXHFUZ4GKVVQ5J2D22J","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"08504d977c4afedaaeb3d14af1ce27db59627df4d5cc2543cdaa77904e448072","cross_cats_sorted":["astro-ph.EP","astro-ph.IM"],"license":"","primary_cat":"astro-ph","submitted_at":"2005-12-02T02:47:13Z","title_canon_sha256":"cab8d762b609956a322933d3026f854277c2acba6871cfa60e3e4a661f28f588"},"schema_version":"1.0","source":{"id":"astro-ph/0512053","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0512053","created_at":"2026-05-18T04:26:44Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0512053v1","created_at":"2026-05-18T04:26:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0512053","created_at":"2026-05-18T04:26:44Z"},{"alias_kind":"pith_short_12","alias_value":"FW7LWEYJXHFU","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"FW7LWEYJXHFUZ4GK","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"FW7LWEYJ","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:b7fff39568939e96f6bf735a939183a1823907af176985aac24041606791b72a","target":"graph","created_at":"2026-05-18T04:26:44Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"The search for life on extrasolar planets is based on the assumption that one can screen extrasolar planets for habitability spectroscopically. The first space born instruments able to detect as well as characterize extrasolar planets, Darwin and terrestrial planet finder (TPF-I and TPF-C) are scheduled to launch before the end of the next decade. The composition of the planetary surface, atmosphere, and its temperature-pressure profile influence a detectable spectroscopic signal considerably. For future space-based missions it will be crucial to know this influence to interpret the observed s","authors_text":"K. Jucks, L. Kaltenegger, W.Traub","cross_cats":["astro-ph.EP","astro-ph.IM"],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2005-12-02T02:47:13Z","title":"Atmospheric Biomarkers and their Evolution over Geological Timescales"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0512053","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:02b0ec7f932c688068e5e4849cfb877030843be7efc5b201ffd2bfe4ff44dbc2","target":"record","created_at":"2026-05-18T04:26:44Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"08504d977c4afedaaeb3d14af1ce27db59627df4d5cc2543cdaa77904e448072","cross_cats_sorted":["astro-ph.EP","astro-ph.IM"],"license":"","primary_cat":"astro-ph","submitted_at":"2005-12-02T02:47:13Z","title_canon_sha256":"cab8d762b609956a322933d3026f854277c2acba6871cfa60e3e4a661f28f588"},"schema_version":"1.0","source":{"id":"astro-ph/0512053","kind":"arxiv","version":1}},"canonical_sha256":"2dbebb1309b9cb4cf0caad61d4e87ad26d705a295be2659b52a574408003c632","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2dbebb1309b9cb4cf0caad61d4e87ad26d705a295be2659b52a574408003c632","first_computed_at":"2026-05-18T04:26:44.458073Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:26:44.458073Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hsF60SXkExwanAF+hED3amlAr9yRnrGAovtmpB5IONsBk59g512JG03dLyCO/i2rL1TH1cOdbGw74Zy4R/pNDg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:26:44.458632Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0512053","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:02b0ec7f932c688068e5e4849cfb877030843be7efc5b201ffd2bfe4ff44dbc2","sha256:b7fff39568939e96f6bf735a939183a1823907af176985aac24041606791b72a"],"state_sha256":"a34c42236c3c381511a9d1cbdcf3100932b5e61002b205e80094f299e078bf19"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BTrIjFP/0SmaGLYs//aCNquRUpBm+sSXoEqrtFrCpR8bBJoTPcfcCgm6aPHvQONLs8AM/lAyUznHZyfDHv42Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-28T20:10:36.167907Z","bundle_sha256":"d3fb3ead79cd7f76c1f70e9d2f49ef279317898545b4af1c89d1b450540f7dbe"}}