{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:XJF5FQ527735M5KCM6P5JUFY2U","short_pith_number":"pith:XJF5FQ52","canonical_record":{"source":{"id":"2310.12125","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-10-18T17:33:25Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"b78384d877de02c4de633ef6eab9d72868c68d49a2e7680665b98cb10de28df1","abstract_canon_sha256":"e7aa25cddbc36d0d597aa4ec69521a20fa837d00b26e08b3e1284de5e299a3e1"},"schema_version":"1.0"},"canonical_sha256":"ba4bd2c3bafff7d67542679fd4d0b8d5031c23a3629f82cdbefd4dff8372f6e4","source":{"kind":"arxiv","id":"2310.12125","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2310.12125","created_at":"2026-07-05T08:03:07Z"},{"alias_kind":"arxiv_version","alias_value":"2310.12125v2","created_at":"2026-07-05T08:03:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2310.12125","created_at":"2026-07-05T08:03:07Z"},{"alias_kind":"pith_short_12","alias_value":"XJF5FQ527735","created_at":"2026-07-05T08:03:07Z"},{"alias_kind":"pith_short_16","alias_value":"XJF5FQ527735M5KC","created_at":"2026-07-05T08:03:07Z"},{"alias_kind":"pith_short_8","alias_value":"XJF5FQ52","created_at":"2026-07-05T08:03:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:XJF5FQ527735M5KCM6P5JUFY2U","target":"record","payload":{"canonical_record":{"source":{"id":"2310.12125","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-10-18T17:33:25Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"b78384d877de02c4de633ef6eab9d72868c68d49a2e7680665b98cb10de28df1","abstract_canon_sha256":"e7aa25cddbc36d0d597aa4ec69521a20fa837d00b26e08b3e1284de5e299a3e1"},"schema_version":"1.0"},"canonical_sha256":"ba4bd2c3bafff7d67542679fd4d0b8d5031c23a3629f82cdbefd4dff8372f6e4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:03:07.664313Z","signature_b64":"6/lFZslFA3azplZVLljybSl5IY/iOcjB/LHzc/h3dflVDFnLTG3HAWSdio5Iic3M+O2WIaUeWy0rYsnuR+5OAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ba4bd2c3bafff7d67542679fd4d0b8d5031c23a3629f82cdbefd4dff8372f6e4","last_reissued_at":"2026-07-05T08:03:07.663846Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:03:07.663846Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2310.12125","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":"2026-07-05T08:03:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ufWVyYHUpHMQOEOLqzCUgITlEQNDMvUolK3ObQbT1Aw3f5TOs2xiKUmdzLFp/7XTcnnLdQidYd0CMrEe0yRmDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T20:58:45.313732Z"},"content_sha256":"74584582dc1b98db3f31af94e25c4ae8bbce981c53baaca025ee8cc733dc9756","schema_version":"1.0","event_id":"sha256:74584582dc1b98db3f31af94e25c4ae8bbce981c53baaca025ee8cc733dc9756"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:XJF5FQ527735M5KCM6P5JUFY2U","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Comprehensive High-resolution Chemical Spectroscopy of Barnard's Star with SPIRou","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"Andr\\'es Carmona, Charles Cadieux, David Lafreni\\`ere, Eder Martioli, Eric Gaidos, \\'Etienne Artigau, Farbod Jahandar, J.-D. do Nascimento Jr., Jean-Fran\\c{c}ois Donati, Jo\\~ao Gomes da Silva, Kim Venn, Lison Malo, Neil J. Cook, Pascal Fouqu\\'e, Paul Cristofari, Ren\\'e Doyon, Ryan Cloutier, Stefan Pelletier, Thierry Forveille, Thomas Vandal","submitted_at":"2023-10-18T17:33:25Z","abstract_excerpt":"Determination of fundamental parameters of stars impacts all fields of astrophysics, from galaxy evolution to constraining the internal structure of exoplanets. This paper presents a detailed spectroscopic analysis of Barnard's star that compares an exceptionally high-quality (an average signal-to-noise ratio of $\\sim$1000 in the entire domain), high-resolution NIR spectrum taken with CFHT/SPIRou to PHOENIX-ACES stellar atmosphere models. The observed spectrum shows thousands of lines not identified in the models with a similar large number of lines present in the model but not in the observed"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2310.12125","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/2310.12125/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":"2026-07-05T08:03:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"f5wViiGonxRyT/QX3DmkNGLwrwXkb4mXZz20srhzmucbTGwvy7ep7MpwE64Yt5PVKIM67Wqb49EtPBvYdovNBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T20:58:45.314288Z"},"content_sha256":"ba73ba2b96bf51ffaa01605adbb6f50f807993487fc52266f2ee969d8620a871","schema_version":"1.0","event_id":"sha256:ba73ba2b96bf51ffaa01605adbb6f50f807993487fc52266f2ee969d8620a871"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XJF5FQ527735M5KCM6P5JUFY2U/bundle.json","state_url":"https://pith.science/pith/XJF5FQ527735M5KCM6P5JUFY2U/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XJF5FQ527735M5KCM6P5JUFY2U/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":"2026-08-21T20:58:45Z","links":{"resolver":"https://pith.science/pith/XJF5FQ527735M5KCM6P5JUFY2U","bundle":"https://pith.science/pith/XJF5FQ527735M5KCM6P5JUFY2U/bundle.json","state":"https://pith.science/pith/XJF5FQ527735M5KCM6P5JUFY2U/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XJF5FQ527735M5KCM6P5JUFY2U/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:XJF5FQ527735M5KCM6P5JUFY2U","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":"e7aa25cddbc36d0d597aa4ec69521a20fa837d00b26e08b3e1284de5e299a3e1","cross_cats_sorted":["astro-ph.EP"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-10-18T17:33:25Z","title_canon_sha256":"b78384d877de02c4de633ef6eab9d72868c68d49a2e7680665b98cb10de28df1"},"schema_version":"1.0","source":{"id":"2310.12125","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2310.12125","created_at":"2026-07-05T08:03:07Z"},{"alias_kind":"arxiv_version","alias_value":"2310.12125v2","created_at":"2026-07-05T08:03:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2310.12125","created_at":"2026-07-05T08:03:07Z"},{"alias_kind":"pith_short_12","alias_value":"XJF5FQ527735","created_at":"2026-07-05T08:03:07Z"},{"alias_kind":"pith_short_16","alias_value":"XJF5FQ527735M5KC","created_at":"2026-07-05T08:03:07Z"},{"alias_kind":"pith_short_8","alias_value":"XJF5FQ52","created_at":"2026-07-05T08:03:07Z"}],"graph_snapshots":[{"event_id":"sha256:ba73ba2b96bf51ffaa01605adbb6f50f807993487fc52266f2ee969d8620a871","target":"graph","created_at":"2026-07-05T08:03:07Z","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/2310.12125/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Determination of fundamental parameters of stars impacts all fields of astrophysics, from galaxy evolution to constraining the internal structure of exoplanets. This paper presents a detailed spectroscopic analysis of Barnard's star that compares an exceptionally high-quality (an average signal-to-noise ratio of $\\sim$1000 in the entire domain), high-resolution NIR spectrum taken with CFHT/SPIRou to PHOENIX-ACES stellar atmosphere models. The observed spectrum shows thousands of lines not identified in the models with a similar large number of lines present in the model but not in the observed","authors_text":"Andr\\'es Carmona, Charles Cadieux, David Lafreni\\`ere, Eder Martioli, Eric Gaidos, \\'Etienne Artigau, Farbod Jahandar, J.-D. do Nascimento Jr., Jean-Fran\\c{c}ois Donati, Jo\\~ao Gomes da Silva, Kim Venn, Lison Malo, Neil J. Cook, Pascal Fouqu\\'e, Paul Cristofari, Ren\\'e Doyon, Ryan Cloutier, Stefan Pelletier, Thierry Forveille, Thomas Vandal","cross_cats":["astro-ph.EP"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-10-18T17:33:25Z","title":"Comprehensive High-resolution Chemical Spectroscopy of Barnard's Star with SPIRou"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2310.12125","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":"sha256:74584582dc1b98db3f31af94e25c4ae8bbce981c53baaca025ee8cc733dc9756","target":"record","created_at":"2026-07-05T08:03:07Z","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":"e7aa25cddbc36d0d597aa4ec69521a20fa837d00b26e08b3e1284de5e299a3e1","cross_cats_sorted":["astro-ph.EP"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-10-18T17:33:25Z","title_canon_sha256":"b78384d877de02c4de633ef6eab9d72868c68d49a2e7680665b98cb10de28df1"},"schema_version":"1.0","source":{"id":"2310.12125","kind":"arxiv","version":2}},"canonical_sha256":"ba4bd2c3bafff7d67542679fd4d0b8d5031c23a3629f82cdbefd4dff8372f6e4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ba4bd2c3bafff7d67542679fd4d0b8d5031c23a3629f82cdbefd4dff8372f6e4","first_computed_at":"2026-07-05T08:03:07.663846Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:03:07.663846Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6/lFZslFA3azplZVLljybSl5IY/iOcjB/LHzc/h3dflVDFnLTG3HAWSdio5Iic3M+O2WIaUeWy0rYsnuR+5OAg==","signature_status":"signed_v1","signed_at":"2026-07-05T08:03:07.664313Z","signed_message":"canonical_sha256_bytes"},"source_id":"2310.12125","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:74584582dc1b98db3f31af94e25c4ae8bbce981c53baaca025ee8cc733dc9756","sha256:ba73ba2b96bf51ffaa01605adbb6f50f807993487fc52266f2ee969d8620a871"],"state_sha256":"de92aadc05820d05bee2c0c658943ac27d52e5b60e71e645407b1d7383bcb509"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y50mn3G4DSurTjuqiAOwVekchahPHRtGLONGSOj5eUWNVpZ0daX3b3a7K/nCK9Wh/Yxvs1dPJQ5joTO0T7Q3BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T20:58:45.318417Z","bundle_sha256":"7b6962ccd69bf4b19d6bae54e701e412af39a8fd20cda20716fff0db3be2ca25"}}