{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:ATHV7ALYYU3IVJ7D6CQ324MPKI","short_pith_number":"pith:ATHV7ALY","canonical_record":{"source":{"id":"2410.14014","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-10-17T20:29:05Z","cross_cats_sorted":[],"title_canon_sha256":"edc6dedf2b6e5050b5119b4dd63f2159e23a637a3e70eb636c1c64b9bb589a56","abstract_canon_sha256":"c1dd8f76e02c44e01f86241712a9afb72543103a60eaa785da440996edc86f6a"},"schema_version":"1.0"},"canonical_sha256":"04cf5f8178c5368aa7e3f0a1bd718f5224f220b303864e3e5729ab1555b84a6b","source":{"kind":"arxiv","id":"2410.14014","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2410.14014","created_at":"2026-07-05T10:28:24Z"},{"alias_kind":"arxiv_version","alias_value":"2410.14014v2","created_at":"2026-07-05T10:28:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2410.14014","created_at":"2026-07-05T10:28:24Z"},{"alias_kind":"pith_short_12","alias_value":"ATHV7ALYYU3I","created_at":"2026-07-05T10:28:24Z"},{"alias_kind":"pith_short_16","alias_value":"ATHV7ALYYU3IVJ7D","created_at":"2026-07-05T10:28:24Z"},{"alias_kind":"pith_short_8","alias_value":"ATHV7ALY","created_at":"2026-07-05T10:28:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:ATHV7ALYYU3IVJ7D6CQ324MPKI","target":"record","payload":{"canonical_record":{"source":{"id":"2410.14014","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-10-17T20:29:05Z","cross_cats_sorted":[],"title_canon_sha256":"edc6dedf2b6e5050b5119b4dd63f2159e23a637a3e70eb636c1c64b9bb589a56","abstract_canon_sha256":"c1dd8f76e02c44e01f86241712a9afb72543103a60eaa785da440996edc86f6a"},"schema_version":"1.0"},"canonical_sha256":"04cf5f8178c5368aa7e3f0a1bd718f5224f220b303864e3e5729ab1555b84a6b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:28:24.440476Z","signature_b64":"uTKinnKfismphI1FzLDnOC7pK1PLNuP3/qRgUs+s7WsHh70IqQu4KSMg27k/TfkTPawyxKTaMHR7f24Zmr6yCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"04cf5f8178c5368aa7e3f0a1bd718f5224f220b303864e3e5729ab1555b84a6b","last_reissued_at":"2026-07-05T10:28:24.439831Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:28:24.439831Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2410.14014","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T10:28:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E3rs3ROfivmudWbBHv5pkg+s1yReFTQ5gw77CG4TyB0xnP+ljxZ4BMMufM01x+fNyPiqOpJFfbPX3a4cAGDkDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T16:25:03.444794Z"},"content_sha256":"22165ea11935e7a37eb8b0bcc62ebe428edfeef04c67e085fd10991bd7977a19","schema_version":"1.0","event_id":"sha256:22165ea11935e7a37eb8b0bcc62ebe428edfeef04c67e085fd10991bd7977a19"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:ATHV7ALYYU3IVJ7D6CQ324MPKI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantifying systematic uncertainties in white dwarf cooling age determinations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Falk Herwig, Praneet Pathak, Simon Blouin","submitted_at":"2024-10-17T20:29:05Z","abstract_excerpt":"Cooling ages of white dwarfs are routinely determined by mapping effective temperatures and masses to ages using evolutionary models. Typically, the reported uncertainties on cooling ages only consider the error propagation of the uncertainties on the spectroscopically or photometrically determined $T_{\\rm eff}$ and mass. However, cooling models are themselves uncertain, given their dependence on many poorly constrained inputs. This paper estimates these systematic model uncertainties. We use MESA to generate cooling sequences of $0.5-1.0 M_{\\odot}$ hydrogen-atmosphere white dwarfs with carbon"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2410.14014","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2410.14014/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T10:28:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LDlX2Ra1TyNmpvOZZ4qQiidG2jrJ+SccrQysQUJgUoxf4Wx6aC0fgtyTYYTf5ZP5296tYbNnhfQXjFURk980DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T16:25:03.445669Z"},"content_sha256":"cbfd36619d27d2fe5adb5ecd96360ecf45981eab240468e80bc4ca5d8ea405c6","schema_version":"1.0","event_id":"sha256:cbfd36619d27d2fe5adb5ecd96360ecf45981eab240468e80bc4ca5d8ea405c6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ATHV7ALYYU3IVJ7D6CQ324MPKI/bundle.json","state_url":"https://pith.science/pith/ATHV7ALYYU3IVJ7D6CQ324MPKI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ATHV7ALYYU3IVJ7D6CQ324MPKI/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":"2026-08-09T16:25:03Z","links":{"resolver":"https://pith.science/pith/ATHV7ALYYU3IVJ7D6CQ324MPKI","bundle":"https://pith.science/pith/ATHV7ALYYU3IVJ7D6CQ324MPKI/bundle.json","state":"https://pith.science/pith/ATHV7ALYYU3IVJ7D6CQ324MPKI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ATHV7ALYYU3IVJ7D6CQ324MPKI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:ATHV7ALYYU3IVJ7D6CQ324MPKI","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":"c1dd8f76e02c44e01f86241712a9afb72543103a60eaa785da440996edc86f6a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-10-17T20:29:05Z","title_canon_sha256":"edc6dedf2b6e5050b5119b4dd63f2159e23a637a3e70eb636c1c64b9bb589a56"},"schema_version":"1.0","source":{"id":"2410.14014","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2410.14014","created_at":"2026-07-05T10:28:24Z"},{"alias_kind":"arxiv_version","alias_value":"2410.14014v2","created_at":"2026-07-05T10:28:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2410.14014","created_at":"2026-07-05T10:28:24Z"},{"alias_kind":"pith_short_12","alias_value":"ATHV7ALYYU3I","created_at":"2026-07-05T10:28:24Z"},{"alias_kind":"pith_short_16","alias_value":"ATHV7ALYYU3IVJ7D","created_at":"2026-07-05T10:28:24Z"},{"alias_kind":"pith_short_8","alias_value":"ATHV7ALY","created_at":"2026-07-05T10:28:24Z"}],"graph_snapshots":[{"event_id":"sha256:cbfd36619d27d2fe5adb5ecd96360ecf45981eab240468e80bc4ca5d8ea405c6","target":"graph","created_at":"2026-07-05T10:28:24Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2410.14014/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Cooling ages of white dwarfs are routinely determined by mapping effective temperatures and masses to ages using evolutionary models. Typically, the reported uncertainties on cooling ages only consider the error propagation of the uncertainties on the spectroscopically or photometrically determined $T_{\\rm eff}$ and mass. However, cooling models are themselves uncertain, given their dependence on many poorly constrained inputs. This paper estimates these systematic model uncertainties. We use MESA to generate cooling sequences of $0.5-1.0 M_{\\odot}$ hydrogen-atmosphere white dwarfs with carbon","authors_text":"Falk Herwig, Praneet Pathak, Simon Blouin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-10-17T20:29:05Z","title":"Quantifying systematic uncertainties in white dwarf cooling age determinations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2410.14014","kind":"arxiv","version":2},"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":"sha256:22165ea11935e7a37eb8b0bcc62ebe428edfeef04c67e085fd10991bd7977a19","target":"record","created_at":"2026-07-05T10:28:24Z","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":"c1dd8f76e02c44e01f86241712a9afb72543103a60eaa785da440996edc86f6a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-10-17T20:29:05Z","title_canon_sha256":"edc6dedf2b6e5050b5119b4dd63f2159e23a637a3e70eb636c1c64b9bb589a56"},"schema_version":"1.0","source":{"id":"2410.14014","kind":"arxiv","version":2}},"canonical_sha256":"04cf5f8178c5368aa7e3f0a1bd718f5224f220b303864e3e5729ab1555b84a6b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"04cf5f8178c5368aa7e3f0a1bd718f5224f220b303864e3e5729ab1555b84a6b","first_computed_at":"2026-07-05T10:28:24.439831Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:28:24.439831Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uTKinnKfismphI1FzLDnOC7pK1PLNuP3/qRgUs+s7WsHh70IqQu4KSMg27k/TfkTPawyxKTaMHR7f24Zmr6yCg==","signature_status":"signed_v1","signed_at":"2026-07-05T10:28:24.440476Z","signed_message":"canonical_sha256_bytes"},"source_id":"2410.14014","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:22165ea11935e7a37eb8b0bcc62ebe428edfeef04c67e085fd10991bd7977a19","sha256:cbfd36619d27d2fe5adb5ecd96360ecf45981eab240468e80bc4ca5d8ea405c6"],"state_sha256":"6b9f4cc4646cf13ad2a198e0af4b17777a3b525e9d7eadbfb5bd469c256605e2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RD/ogiH7G1lLzhDUj1t1Tx91jhLuNqJfsByIAWB7j42CoL6oKRgGINPoP/8LjhiD4gNJt6uslN7yTzjQlMsIDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T16:25:03.452373Z","bundle_sha256":"ae5c9b88c4d4b36377dedb9d0bc00a051697a702cfa64bf8b84c5b14d57da9b2"}}