{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:KD2JVEAV7XYRH732HEFLNDLLPL","short_pith_number":"pith:KD2JVEAV","canonical_record":{"source":{"id":"0712.0771","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-12-05T16:21:07Z","cross_cats_sorted":[],"title_canon_sha256":"d79732879a061f56f093be5234d1550b3866c77fed50d0f6c993c280813f8835","abstract_canon_sha256":"38aa79e3f4746daa1cec214193f15355fcfbe903a7ff1be8a2c8e4b3ec855d34"},"schema_version":"1.0"},"canonical_sha256":"50f49a9015fdf113ff7a390ab68d6b7aeaf7e7e216ee33ef6be21e36d51dbdaf","source":{"kind":"arxiv","id":"0712.0771","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0712.0771","created_at":"2026-05-18T04:34:47Z"},{"alias_kind":"arxiv_version","alias_value":"0712.0771v1","created_at":"2026-05-18T04:34:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0712.0771","created_at":"2026-05-18T04:34:47Z"},{"alias_kind":"pith_short_12","alias_value":"KD2JVEAV7XYR","created_at":"2026-05-18T12:25:55Z"},{"alias_kind":"pith_short_16","alias_value":"KD2JVEAV7XYRH732","created_at":"2026-05-18T12:25:55Z"},{"alias_kind":"pith_short_8","alias_value":"KD2JVEAV","created_at":"2026-05-18T12:25:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:KD2JVEAV7XYRH732HEFLNDLLPL","target":"record","payload":{"canonical_record":{"source":{"id":"0712.0771","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-12-05T16:21:07Z","cross_cats_sorted":[],"title_canon_sha256":"d79732879a061f56f093be5234d1550b3866c77fed50d0f6c993c280813f8835","abstract_canon_sha256":"38aa79e3f4746daa1cec214193f15355fcfbe903a7ff1be8a2c8e4b3ec855d34"},"schema_version":"1.0"},"canonical_sha256":"50f49a9015fdf113ff7a390ab68d6b7aeaf7e7e216ee33ef6be21e36d51dbdaf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:34:47.072373Z","signature_b64":"VppIF7BKofc0L/GcY+jmxvznMDyN+g6mZwP5IyYil/HjxeIAlFOPEHYc2MsqN6yym9sNnrh0Psy2f02hEvEVDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"50f49a9015fdf113ff7a390ab68d6b7aeaf7e7e216ee33ef6be21e36d51dbdaf","last_reissued_at":"2026-05-18T04:34:47.071858Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:34:47.071858Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0712.0771","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":"2026-05-18T04:34:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZSpSBGvKmzXtbrXwab1o0heqfrKKOt7HXpJp6W4v4olALrv3/gDDAr/jOM/uTodpBCgYB9yxPCzgWOOsyi5OBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T12:20:31.685923Z"},"content_sha256":"ccbba8d33d3ccb374da4661e44fe8102bdb365203a808a537ca80b40141fdb0f","schema_version":"1.0","event_id":"sha256:ccbba8d33d3ccb374da4661e44fe8102bdb365203a808a537ca80b40141fdb0f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:KD2JVEAV7XYRH732HEFLNDLLPL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Magnetic, Chemical and Rotational Properties of the Herbig Ae/Be Binary System HD 72106","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"C. Catala, C. P. Folsom, D. A. Hanes, E. Alecian, G. A. Wade, J. D. Landstreet, O. Kochukhov, S. Bagnulo","submitted_at":"2007-12-05T16:21:07Z","abstract_excerpt":"Recently, strong, globally-ordered magnetic fields have been detected in some Herbig Ae and Be (HAeBe) stars, suggesting a possible evolutionary connection to main sequence magnetic chemically peculiar Ap and Bp stars. We have undertaken a detailed study of the binary system HD 72106, which contains a B9 magnetic primary and a HAeBe secondary, using the ESPaDOnS spectropolarimeter mounted on the CFHT. A careful analysis of the very young primary reveals that it has an approximately dipolar magnetic field geometry, strong chemical peculiarities, and strong surface chemical abundance inhomogenei"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0712.0771","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":"2026-05-18T04:34:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UvQkemzCV7+9Rc4PVZhgloQ8I6DVh9p+sJeuGkRrlXl1ZxNPMdmxpo5zC6OIBlCbNIEgJrp6hbTff5Pj8wQ6DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T12:20:31.686621Z"},"content_sha256":"175d0692d6e8f195fdb63c121880de2db290c973a543986f6cb7b5dd836f2a4a","schema_version":"1.0","event_id":"sha256:175d0692d6e8f195fdb63c121880de2db290c973a543986f6cb7b5dd836f2a4a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KD2JVEAV7XYRH732HEFLNDLLPL/bundle.json","state_url":"https://pith.science/pith/KD2JVEAV7XYRH732HEFLNDLLPL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KD2JVEAV7XYRH732HEFLNDLLPL/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":"2026-05-25T12:20:31Z","links":{"resolver":"https://pith.science/pith/KD2JVEAV7XYRH732HEFLNDLLPL","bundle":"https://pith.science/pith/KD2JVEAV7XYRH732HEFLNDLLPL/bundle.json","state":"https://pith.science/pith/KD2JVEAV7XYRH732HEFLNDLLPL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KD2JVEAV7XYRH732HEFLNDLLPL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:KD2JVEAV7XYRH732HEFLNDLLPL","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":"38aa79e3f4746daa1cec214193f15355fcfbe903a7ff1be8a2c8e4b3ec855d34","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-12-05T16:21:07Z","title_canon_sha256":"d79732879a061f56f093be5234d1550b3866c77fed50d0f6c993c280813f8835"},"schema_version":"1.0","source":{"id":"0712.0771","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0712.0771","created_at":"2026-05-18T04:34:47Z"},{"alias_kind":"arxiv_version","alias_value":"0712.0771v1","created_at":"2026-05-18T04:34:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0712.0771","created_at":"2026-05-18T04:34:47Z"},{"alias_kind":"pith_short_12","alias_value":"KD2JVEAV7XYR","created_at":"2026-05-18T12:25:55Z"},{"alias_kind":"pith_short_16","alias_value":"KD2JVEAV7XYRH732","created_at":"2026-05-18T12:25:55Z"},{"alias_kind":"pith_short_8","alias_value":"KD2JVEAV","created_at":"2026-05-18T12:25:55Z"}],"graph_snapshots":[{"event_id":"sha256:175d0692d6e8f195fdb63c121880de2db290c973a543986f6cb7b5dd836f2a4a","target":"graph","created_at":"2026-05-18T04:34:47Z","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":"Recently, strong, globally-ordered magnetic fields have been detected in some Herbig Ae and Be (HAeBe) stars, suggesting a possible evolutionary connection to main sequence magnetic chemically peculiar Ap and Bp stars. We have undertaken a detailed study of the binary system HD 72106, which contains a B9 magnetic primary and a HAeBe secondary, using the ESPaDOnS spectropolarimeter mounted on the CFHT. A careful analysis of the very young primary reveals that it has an approximately dipolar magnetic field geometry, strong chemical peculiarities, and strong surface chemical abundance inhomogenei","authors_text":"C. Catala, C. P. Folsom, D. A. Hanes, E. Alecian, G. A. Wade, J. D. Landstreet, O. Kochukhov, S. Bagnulo","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2007-12-05T16:21:07Z","title":"Magnetic, Chemical and Rotational Properties of the Herbig Ae/Be Binary System HD 72106"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0712.0771","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:ccbba8d33d3ccb374da4661e44fe8102bdb365203a808a537ca80b40141fdb0f","target":"record","created_at":"2026-05-18T04:34:47Z","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":"38aa79e3f4746daa1cec214193f15355fcfbe903a7ff1be8a2c8e4b3ec855d34","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-12-05T16:21:07Z","title_canon_sha256":"d79732879a061f56f093be5234d1550b3866c77fed50d0f6c993c280813f8835"},"schema_version":"1.0","source":{"id":"0712.0771","kind":"arxiv","version":1}},"canonical_sha256":"50f49a9015fdf113ff7a390ab68d6b7aeaf7e7e216ee33ef6be21e36d51dbdaf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"50f49a9015fdf113ff7a390ab68d6b7aeaf7e7e216ee33ef6be21e36d51dbdaf","first_computed_at":"2026-05-18T04:34:47.071858Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:34:47.071858Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VppIF7BKofc0L/GcY+jmxvznMDyN+g6mZwP5IyYil/HjxeIAlFOPEHYc2MsqN6yym9sNnrh0Psy2f02hEvEVDA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:34:47.072373Z","signed_message":"canonical_sha256_bytes"},"source_id":"0712.0771","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ccbba8d33d3ccb374da4661e44fe8102bdb365203a808a537ca80b40141fdb0f","sha256:175d0692d6e8f195fdb63c121880de2db290c973a543986f6cb7b5dd836f2a4a"],"state_sha256":"94f85538d3e4e655c025973fd3bfe4e8409af63575e9a5cda930437984114040"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1f8/lONRm699WFHnqr3Z95Df3TyZCxrNxubnU8S1F33BhaWGuuPbbDOQ8+FWd2a7WsrfxRApsTAv1ClU60pQDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T12:20:31.690330Z","bundle_sha256":"85d4149a3ff46f3d71b6cd87392c6e912113f6653873c874ef8126acd8e53039"}}