{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:7RN7FCWO4HG3SIQ7NJSMOO7TOW","short_pith_number":"pith:7RN7FCWO","canonical_record":{"source":{"id":"1107.5639","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-07-28T07:45:54Z","cross_cats_sorted":[],"title_canon_sha256":"6fa69ddd2e28c8c1f2e82a868de6bcb8bfbff16bd39b22fa943a5258dc140cfd","abstract_canon_sha256":"11e4cdfc6de4ea9673ede085c7d4abc610c2fd196954c47b7260645e7028d710"},"schema_version":"1.0"},"canonical_sha256":"fc5bf28acee1cdb9221f6a64c73bf3759fd6e737e837acbb705cf00c0bb26404","source":{"kind":"arxiv","id":"1107.5639","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1107.5639","created_at":"2026-05-18T02:01:08Z"},{"alias_kind":"arxiv_version","alias_value":"1107.5639v1","created_at":"2026-05-18T02:01:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1107.5639","created_at":"2026-05-18T02:01:08Z"},{"alias_kind":"pith_short_12","alias_value":"7RN7FCWO4HG3","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_16","alias_value":"7RN7FCWO4HG3SIQ7","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_8","alias_value":"7RN7FCWO","created_at":"2026-05-18T12:26:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:7RN7FCWO4HG3SIQ7NJSMOO7TOW","target":"record","payload":{"canonical_record":{"source":{"id":"1107.5639","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-07-28T07:45:54Z","cross_cats_sorted":[],"title_canon_sha256":"6fa69ddd2e28c8c1f2e82a868de6bcb8bfbff16bd39b22fa943a5258dc140cfd","abstract_canon_sha256":"11e4cdfc6de4ea9673ede085c7d4abc610c2fd196954c47b7260645e7028d710"},"schema_version":"1.0"},"canonical_sha256":"fc5bf28acee1cdb9221f6a64c73bf3759fd6e737e837acbb705cf00c0bb26404","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:01:08.551265Z","signature_b64":"oEpplsyv1qxNBhZctjY/Uugf3nYLelsZWl4AWeKxXqo22jtjcijcUn6yRU1CwyZ4HgL8nqqMRCtUff24g9rsDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fc5bf28acee1cdb9221f6a64c73bf3759fd6e737e837acbb705cf00c0bb26404","last_reissued_at":"2026-05-18T02:01:08.550749Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:01:08.550749Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1107.5639","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":"2026-05-18T02:01:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ogg61LSaCx9Oa10Jt5bw7ncR0t7TGzstnxj2WXS28XMtL8gykD2A80sD0NXHkHv5udx/4n0apuLQ2kKFz865Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T17:48:41.147326Z"},"content_sha256":"8722abab9176cb4efbe218a06777b6cf92233cc2ea14651ea0d9ebf81ae7ce4a","schema_version":"1.0","event_id":"sha256:8722abab9176cb4efbe218a06777b6cf92233cc2ea14651ea0d9ebf81ae7ce4a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:7RN7FCWO4HG3SIQ7NJSMOO7TOW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Long-term magnetic field stability of Vega","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"D. Alina, F. Ligni\\`eres, G.A. Wade, H. Carfantan, M. Auri\\`ere, P. Petit, R. Fares, T. B\\\"ohm","submitted_at":"2011-07-28T07:45:54Z","abstract_excerpt":"We present new spectropolarimetric observations of the normal A-type star Vega, obtained during the summer of 2010 with NARVAL at T\\'elescope Bernard Lyot (Pic du Midi Observatory). This new time-series is constituted of 615 spectra collected over 6 different nights. We use the Least-Square-Deconvolution technique to compute, from each spectrum, a mean line profile with a signal-to-noise ratio close to 20,000. After averaging all 615 polarized observations, we detect a circularly polarized Zeeman signature consistent in shape and amplitude with the signatures previously reported from our obser"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1107.5639","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":"2026-05-18T02:01:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hR0SzXbUbYMsUrJ/h6Mab3j6vGgS2chGaiBnJ+YzdRgcuKMau36S3dgPYj3AZr8z2uruPGiubBkhnrznFj5UDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T17:48:41.147931Z"},"content_sha256":"cbfc8565e8879e1b5cc81c254904e1be25f256ffadfc271de7b94999efc7edc9","schema_version":"1.0","event_id":"sha256:cbfc8565e8879e1b5cc81c254904e1be25f256ffadfc271de7b94999efc7edc9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7RN7FCWO4HG3SIQ7NJSMOO7TOW/bundle.json","state_url":"https://pith.science/pith/7RN7FCWO4HG3SIQ7NJSMOO7TOW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7RN7FCWO4HG3SIQ7NJSMOO7TOW/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":"2026-05-22T17:48:41Z","links":{"resolver":"https://pith.science/pith/7RN7FCWO4HG3SIQ7NJSMOO7TOW","bundle":"https://pith.science/pith/7RN7FCWO4HG3SIQ7NJSMOO7TOW/bundle.json","state":"https://pith.science/pith/7RN7FCWO4HG3SIQ7NJSMOO7TOW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7RN7FCWO4HG3SIQ7NJSMOO7TOW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:7RN7FCWO4HG3SIQ7NJSMOO7TOW","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":"11e4cdfc6de4ea9673ede085c7d4abc610c2fd196954c47b7260645e7028d710","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-07-28T07:45:54Z","title_canon_sha256":"6fa69ddd2e28c8c1f2e82a868de6bcb8bfbff16bd39b22fa943a5258dc140cfd"},"schema_version":"1.0","source":{"id":"1107.5639","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1107.5639","created_at":"2026-05-18T02:01:08Z"},{"alias_kind":"arxiv_version","alias_value":"1107.5639v1","created_at":"2026-05-18T02:01:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1107.5639","created_at":"2026-05-18T02:01:08Z"},{"alias_kind":"pith_short_12","alias_value":"7RN7FCWO4HG3","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_16","alias_value":"7RN7FCWO4HG3SIQ7","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_8","alias_value":"7RN7FCWO","created_at":"2026-05-18T12:26:22Z"}],"graph_snapshots":[{"event_id":"sha256:cbfc8565e8879e1b5cc81c254904e1be25f256ffadfc271de7b94999efc7edc9","target":"graph","created_at":"2026-05-18T02:01:08Z","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 present new spectropolarimetric observations of the normal A-type star Vega, obtained during the summer of 2010 with NARVAL at T\\'elescope Bernard Lyot (Pic du Midi Observatory). This new time-series is constituted of 615 spectra collected over 6 different nights. We use the Least-Square-Deconvolution technique to compute, from each spectrum, a mean line profile with a signal-to-noise ratio close to 20,000. After averaging all 615 polarized observations, we detect a circularly polarized Zeeman signature consistent in shape and amplitude with the signatures previously reported from our obser","authors_text":"D. Alina, F. Ligni\\`eres, G.A. Wade, H. Carfantan, M. Auri\\`ere, P. Petit, R. Fares, T. B\\\"ohm","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-07-28T07:45:54Z","title":"Long-term magnetic field stability of Vega"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1107.5639","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":"sha256:8722abab9176cb4efbe218a06777b6cf92233cc2ea14651ea0d9ebf81ae7ce4a","target":"record","created_at":"2026-05-18T02:01:08Z","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":"11e4cdfc6de4ea9673ede085c7d4abc610c2fd196954c47b7260645e7028d710","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-07-28T07:45:54Z","title_canon_sha256":"6fa69ddd2e28c8c1f2e82a868de6bcb8bfbff16bd39b22fa943a5258dc140cfd"},"schema_version":"1.0","source":{"id":"1107.5639","kind":"arxiv","version":1}},"canonical_sha256":"fc5bf28acee1cdb9221f6a64c73bf3759fd6e737e837acbb705cf00c0bb26404","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fc5bf28acee1cdb9221f6a64c73bf3759fd6e737e837acbb705cf00c0bb26404","first_computed_at":"2026-05-18T02:01:08.550749Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:01:08.550749Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oEpplsyv1qxNBhZctjY/Uugf3nYLelsZWl4AWeKxXqo22jtjcijcUn6yRU1CwyZ4HgL8nqqMRCtUff24g9rsDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:01:08.551265Z","signed_message":"canonical_sha256_bytes"},"source_id":"1107.5639","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8722abab9176cb4efbe218a06777b6cf92233cc2ea14651ea0d9ebf81ae7ce4a","sha256:cbfc8565e8879e1b5cc81c254904e1be25f256ffadfc271de7b94999efc7edc9"],"state_sha256":"7e562944ac770e5ef8e17d4731307f45b4bcfc7ec96a2475bbb4397efbb7168b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4VZqfIJ7QgyW9oePG+DEc7064zYGrUA/jxCOxpz7fPTZY9qezH09VYMGVKRLf26ghMECylZ4093RjsnQ0waDCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T17:48:41.150458Z","bundle_sha256":"86837186b1cea16d827a1d022c0d712355100a6262c0503395caaefcab6d6e7f"}}