{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:5OUBV2JXXBAACBF2VBKRS3TADV","short_pith_number":"pith:5OUBV2JX","canonical_record":{"source":{"id":"astro-ph/0306277","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-06-13T09:36:26Z","cross_cats_sorted":[],"title_canon_sha256":"34259f6c7582c21566d51d2e66e7b133f340f697118425a15863ea0bc780abf9","abstract_canon_sha256":"d6ac38c084d8789b54c00652a3d08d2ca489e8f726dc902258ab941c1c459871"},"schema_version":"1.0"},"canonical_sha256":"eba81ae937b8400104baa855196e601d41387a629f51aca046375d7c8d025eab","source":{"kind":"arxiv","id":"astro-ph/0306277","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0306277","created_at":"2026-05-18T04:21:41Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0306277v1","created_at":"2026-05-18T04:21:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0306277","created_at":"2026-05-18T04:21:41Z"},{"alias_kind":"pith_short_12","alias_value":"5OUBV2JXXBAA","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_16","alias_value":"5OUBV2JXXBAACBF2","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_8","alias_value":"5OUBV2JX","created_at":"2026-05-18T12:25:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:5OUBV2JXXBAACBF2VBKRS3TADV","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0306277","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-06-13T09:36:26Z","cross_cats_sorted":[],"title_canon_sha256":"34259f6c7582c21566d51d2e66e7b133f340f697118425a15863ea0bc780abf9","abstract_canon_sha256":"d6ac38c084d8789b54c00652a3d08d2ca489e8f726dc902258ab941c1c459871"},"schema_version":"1.0"},"canonical_sha256":"eba81ae937b8400104baa855196e601d41387a629f51aca046375d7c8d025eab","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:21:41.455388Z","signature_b64":"NsEVw2kQNRTA34i8a9ROOphVuh31uH0fvrAVyz3EOeVgw67m7W46VakqLm76sId5l0cVcd/kiUXu8b6Si5raAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"eba81ae937b8400104baa855196e601d41387a629f51aca046375d7c8d025eab","last_reissued_at":"2026-05-18T04:21:41.454882Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:21:41.454882Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0306277","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":"2026-05-18T04:21:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/YZ3ZTxnL9xsvBLo+ndNUPm4uASLUHKr3S/UB2kzdKvaMYTulyTbtuAmhKej29AjsdWnuuUFutMv62TrJ5kFCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T09:29:51.016081Z"},"content_sha256":"757d24b3cc13449c2b5eba28e1f88bf2414675f94cca805c30811852d65f6694","schema_version":"1.0","event_id":"sha256:757d24b3cc13449c2b5eba28e1f88bf2414675f94cca805c30811852d65f6694"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:5OUBV2JXXBAACBF2VBKRS3TADV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The spinning-top Be star Achernar from VLTI-VINCI","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Domiciano De Souza, E. Di Folco, F. Paresce, F. Vakili, L. Abe, P. Kervella, S. Jankov","submitted_at":"2003-06-13T09:36:26Z","abstract_excerpt":"We report here the first observations of a rapidly rotating Be star, $\\alpha$ Eridani, using Earth-rotation synthesis on the Very Large Telescope (VLT) Interferometer. Our measures correspond to a $2a/2b = 1.56\\pm0.05$ apparent oblate star, $2a$ and $2b$ being the equivalent uniform disc angular diameters in the equatorial and polar direction. Considering the presence of a circumstellar envelope (CSE) we argue that our measurement corresponds to a truly distorted star since $\\alpha$ Eridani exhibited negligible H$\\alpha$ emission during the interferometric observations. In this framework we co"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0306277","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":"2026-05-18T04:21:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mMjLgAAvtO9uTXCQGwIO1oALB+ND1ub7xLrnvPUMJGOpDdDT9b9uV2gloX3FQDEsPU3Vqb+i7Z6VHo+YQQGsAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T09:29:51.016765Z"},"content_sha256":"de0b8810f6f8d00737f5b78859ab08f1c10360c0e456bd7093695795c84bcbc0","schema_version":"1.0","event_id":"sha256:de0b8810f6f8d00737f5b78859ab08f1c10360c0e456bd7093695795c84bcbc0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5OUBV2JXXBAACBF2VBKRS3TADV/bundle.json","state_url":"https://pith.science/pith/5OUBV2JXXBAACBF2VBKRS3TADV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5OUBV2JXXBAACBF2VBKRS3TADV/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":"2026-05-30T09:29:51Z","links":{"resolver":"https://pith.science/pith/5OUBV2JXXBAACBF2VBKRS3TADV","bundle":"https://pith.science/pith/5OUBV2JXXBAACBF2VBKRS3TADV/bundle.json","state":"https://pith.science/pith/5OUBV2JXXBAACBF2VBKRS3TADV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5OUBV2JXXBAACBF2VBKRS3TADV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:5OUBV2JXXBAACBF2VBKRS3TADV","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":"d6ac38c084d8789b54c00652a3d08d2ca489e8f726dc902258ab941c1c459871","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-06-13T09:36:26Z","title_canon_sha256":"34259f6c7582c21566d51d2e66e7b133f340f697118425a15863ea0bc780abf9"},"schema_version":"1.0","source":{"id":"astro-ph/0306277","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0306277","created_at":"2026-05-18T04:21:41Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0306277v1","created_at":"2026-05-18T04:21:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0306277","created_at":"2026-05-18T04:21:41Z"},{"alias_kind":"pith_short_12","alias_value":"5OUBV2JXXBAA","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_16","alias_value":"5OUBV2JXXBAACBF2","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_8","alias_value":"5OUBV2JX","created_at":"2026-05-18T12:25:51Z"}],"graph_snapshots":[{"event_id":"sha256:de0b8810f6f8d00737f5b78859ab08f1c10360c0e456bd7093695795c84bcbc0","target":"graph","created_at":"2026-05-18T04:21:41Z","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 report here the first observations of a rapidly rotating Be star, $\\alpha$ Eridani, using Earth-rotation synthesis on the Very Large Telescope (VLT) Interferometer. Our measures correspond to a $2a/2b = 1.56\\pm0.05$ apparent oblate star, $2a$ and $2b$ being the equivalent uniform disc angular diameters in the equatorial and polar direction. Considering the presence of a circumstellar envelope (CSE) we argue that our measurement corresponds to a truly distorted star since $\\alpha$ Eridani exhibited negligible H$\\alpha$ emission during the interferometric observations. In this framework we co","authors_text":"A. Domiciano De Souza, E. Di Folco, F. Paresce, F. Vakili, L. Abe, P. Kervella, S. Jankov","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2003-06-13T09:36:26Z","title":"The spinning-top Be star Achernar from VLTI-VINCI"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0306277","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":"sha256:757d24b3cc13449c2b5eba28e1f88bf2414675f94cca805c30811852d65f6694","target":"record","created_at":"2026-05-18T04:21:41Z","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":"d6ac38c084d8789b54c00652a3d08d2ca489e8f726dc902258ab941c1c459871","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-06-13T09:36:26Z","title_canon_sha256":"34259f6c7582c21566d51d2e66e7b133f340f697118425a15863ea0bc780abf9"},"schema_version":"1.0","source":{"id":"astro-ph/0306277","kind":"arxiv","version":1}},"canonical_sha256":"eba81ae937b8400104baa855196e601d41387a629f51aca046375d7c8d025eab","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"eba81ae937b8400104baa855196e601d41387a629f51aca046375d7c8d025eab","first_computed_at":"2026-05-18T04:21:41.454882Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:21:41.454882Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NsEVw2kQNRTA34i8a9ROOphVuh31uH0fvrAVyz3EOeVgw67m7W46VakqLm76sId5l0cVcd/kiUXu8b6Si5raAw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:21:41.455388Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0306277","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:757d24b3cc13449c2b5eba28e1f88bf2414675f94cca805c30811852d65f6694","sha256:de0b8810f6f8d00737f5b78859ab08f1c10360c0e456bd7093695795c84bcbc0"],"state_sha256":"2e7be6a1f05831778813b6bfeb7e992fcdba9753c049d216b35a0f228c2d61fc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uOj9oUgxi5XySfcQTXeLDnHn8IQYWSK7XeM6oX03pTgBDyeQ+L0jLTci8KyyoMFnZOWdu+PVr456FpIICGqSBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T09:29:51.020679Z","bundle_sha256":"43c5095918bf82e1ed5f3eed81ef54826a311311cff05f1b59ae632591e027c6"}}