{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2001:JEAJIYWUQO2KNRLPETJK4CKDE6","short_pith_number":"pith:JEAJIYWU","canonical_record":{"source":{"id":"astro-ph/0107099","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2001-07-05T15:56:08Z","cross_cats_sorted":[],"title_canon_sha256":"0af4456a6e3c55da2faf360ad91ce7fe85aee6dc67a71e844a151fe6a05c762e","abstract_canon_sha256":"2e538125f43269200047b68fddacbc61530bf992422c31355975097019ab98a4"},"schema_version":"1.0"},"canonical_sha256":"49009462d483b4a6c56f24d2ae094327a4678e106b727d24bd5a5bd0b694f037","source":{"kind":"arxiv","id":"astro-ph/0107099","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0107099","created_at":"2026-05-18T01:07:45Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0107099v1","created_at":"2026-05-18T01:07:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0107099","created_at":"2026-05-18T01:07:45Z"},{"alias_kind":"pith_short_12","alias_value":"JEAJIYWUQO2K","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"JEAJIYWUQO2KNRLP","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"JEAJIYWU","created_at":"2026-05-18T12:25:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2001:JEAJIYWUQO2KNRLPETJK4CKDE6","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0107099","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2001-07-05T15:56:08Z","cross_cats_sorted":[],"title_canon_sha256":"0af4456a6e3c55da2faf360ad91ce7fe85aee6dc67a71e844a151fe6a05c762e","abstract_canon_sha256":"2e538125f43269200047b68fddacbc61530bf992422c31355975097019ab98a4"},"schema_version":"1.0"},"canonical_sha256":"49009462d483b4a6c56f24d2ae094327a4678e106b727d24bd5a5bd0b694f037","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:07:45.664042Z","signature_b64":"GFtkEp4uqybvIldTl8sX0bs/FuUi0hIQXU5c3tz5iE+KXNEl242z9+M+z79988QWv3PdGyP0Q4IEiDKKfnH4BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"49009462d483b4a6c56f24d2ae094327a4678e106b727d24bd5a5bd0b694f037","last_reissued_at":"2026-05-18T01:07:45.663395Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:07:45.663395Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0107099","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":"2026-05-18T01:07:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"c/9hTcRnYLAS9gSooHuLlUmhAVs1KnlZh8NY6eTHQUNrytVNCLT+NBfd4urubKAA+byE4N6By7407jAdoYGNAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T07:21:28.496376Z"},"content_sha256":"bec463c78110bf7176344ad36e5c972c6389ceca50f9653e7e79414661c5faf7","schema_version":"1.0","event_id":"sha256:bec463c78110bf7176344ad36e5c972c6389ceca50f9653e7e79414661c5faf7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2001:JEAJIYWUQO2KNRLPETJK4CKDE6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"P-mode observations on Alpha Cen A","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Fabien Carrier, Francois Bouchy","submitted_at":"2001-07-05T15:56:08Z","abstract_excerpt":"We have made a clear detection of p-mode oscillations in the nearest solar-like G2V star $\\alpha$ Cen A with the CORALIE spectrograph on the 1.2-m Swiss telescope at the ESO La Silla Observatory. We report the 5 nights of observation on this star in May 2001 during which 1260 high precision radial velocity measurements were obtained. The power spectrum clearly shows several identifiable peaks between 1.7 and 3 mHz. The average large splitting of 105.7 $\\mu$Hz and the amplitude of about 35 cm s$^{-1}$ of these modes are in agreement with theoretical expectations."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0107099","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":"2026-05-18T01:07:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+Y14LEwG/IAO5bGrFfRUPnILw2KaGIB3mpkgBUoxxBWXU393yCwBwKF1o9+1VMa+M67Rf6/8Rjf+WcHg8cKvDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T07:21:28.497073Z"},"content_sha256":"be336072c4396b2a07d642f42cfc0d59d4b9cf835a8314f3560195ce6d0729be","schema_version":"1.0","event_id":"sha256:be336072c4396b2a07d642f42cfc0d59d4b9cf835a8314f3560195ce6d0729be"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JEAJIYWUQO2KNRLPETJK4CKDE6/bundle.json","state_url":"https://pith.science/pith/JEAJIYWUQO2KNRLPETJK4CKDE6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JEAJIYWUQO2KNRLPETJK4CKDE6/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":"2026-05-26T07:21:28Z","links":{"resolver":"https://pith.science/pith/JEAJIYWUQO2KNRLPETJK4CKDE6","bundle":"https://pith.science/pith/JEAJIYWUQO2KNRLPETJK4CKDE6/bundle.json","state":"https://pith.science/pith/JEAJIYWUQO2KNRLPETJK4CKDE6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JEAJIYWUQO2KNRLPETJK4CKDE6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2001:JEAJIYWUQO2KNRLPETJK4CKDE6","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":"2e538125f43269200047b68fddacbc61530bf992422c31355975097019ab98a4","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2001-07-05T15:56:08Z","title_canon_sha256":"0af4456a6e3c55da2faf360ad91ce7fe85aee6dc67a71e844a151fe6a05c762e"},"schema_version":"1.0","source":{"id":"astro-ph/0107099","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0107099","created_at":"2026-05-18T01:07:45Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0107099v1","created_at":"2026-05-18T01:07:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0107099","created_at":"2026-05-18T01:07:45Z"},{"alias_kind":"pith_short_12","alias_value":"JEAJIYWUQO2K","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"JEAJIYWUQO2KNRLP","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"JEAJIYWU","created_at":"2026-05-18T12:25:50Z"}],"graph_snapshots":[{"event_id":"sha256:be336072c4396b2a07d642f42cfc0d59d4b9cf835a8314f3560195ce6d0729be","target":"graph","created_at":"2026-05-18T01:07:45Z","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":"We have made a clear detection of p-mode oscillations in the nearest solar-like G2V star $\\alpha$ Cen A with the CORALIE spectrograph on the 1.2-m Swiss telescope at the ESO La Silla Observatory. We report the 5 nights of observation on this star in May 2001 during which 1260 high precision radial velocity measurements were obtained. The power spectrum clearly shows several identifiable peaks between 1.7 and 3 mHz. The average large splitting of 105.7 $\\mu$Hz and the amplitude of about 35 cm s$^{-1}$ of these modes are in agreement with theoretical expectations.","authors_text":"Fabien Carrier, Francois Bouchy","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2001-07-05T15:56:08Z","title":"P-mode observations on Alpha Cen A"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0107099","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:bec463c78110bf7176344ad36e5c972c6389ceca50f9653e7e79414661c5faf7","target":"record","created_at":"2026-05-18T01:07:45Z","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":"2e538125f43269200047b68fddacbc61530bf992422c31355975097019ab98a4","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2001-07-05T15:56:08Z","title_canon_sha256":"0af4456a6e3c55da2faf360ad91ce7fe85aee6dc67a71e844a151fe6a05c762e"},"schema_version":"1.0","source":{"id":"astro-ph/0107099","kind":"arxiv","version":1}},"canonical_sha256":"49009462d483b4a6c56f24d2ae094327a4678e106b727d24bd5a5bd0b694f037","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"49009462d483b4a6c56f24d2ae094327a4678e106b727d24bd5a5bd0b694f037","first_computed_at":"2026-05-18T01:07:45.663395Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:07:45.663395Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GFtkEp4uqybvIldTl8sX0bs/FuUi0hIQXU5c3tz5iE+KXNEl242z9+M+z79988QWv3PdGyP0Q4IEiDKKfnH4BA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:07:45.664042Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0107099","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bec463c78110bf7176344ad36e5c972c6389ceca50f9653e7e79414661c5faf7","sha256:be336072c4396b2a07d642f42cfc0d59d4b9cf835a8314f3560195ce6d0729be"],"state_sha256":"94f5cb9b39b86e197dfcac510f45af25cb7b5698167f5cd044e1cffa4e051cc1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RRf3WhjpC7wq+fWQcuKADvZQNLgxTfL625dHMoTtA3FULjHFOrbLW16gExbo6aUUSbXv7/kAmq85sJZthIqtDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T07:21:28.501168Z","bundle_sha256":"ca1e322c3c87a587fa03b001f99c278e6a60944e44cbe61b6b7c8b4bb02da0c3"}}