{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:PA23NPLCNI3HRT7JKYETCP7ETK","short_pith_number":"pith:PA23NPLC","canonical_record":{"source":{"id":"astro-ph/0701249","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-01-09T15:16:14Z","cross_cats_sorted":[],"title_canon_sha256":"912a62a8c53d8b6585f53dc49a08cbc186e0eb5a484499c30372d0074e88cde1","abstract_canon_sha256":"5c43c753da543e2e17574be9d794e15f1ccbffdad6408b76e03e428cef996714"},"schema_version":"1.0"},"canonical_sha256":"7835b6bd626a3678cfe95609313fe49aafea0890b09e957f9420c91423b3e289","source":{"kind":"arxiv","id":"astro-ph/0701249","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0701249","created_at":"2026-07-04T14:58:34Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0701249v1","created_at":"2026-07-04T14:58:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0701249","created_at":"2026-07-04T14:58:34Z"},{"alias_kind":"pith_short_12","alias_value":"PA23NPLCNI3H","created_at":"2026-07-04T14:58:34Z"},{"alias_kind":"pith_short_16","alias_value":"PA23NPLCNI3HRT7J","created_at":"2026-07-04T14:58:34Z"},{"alias_kind":"pith_short_8","alias_value":"PA23NPLC","created_at":"2026-07-04T14:58:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:PA23NPLCNI3HRT7JKYETCP7ETK","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0701249","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-01-09T15:16:14Z","cross_cats_sorted":[],"title_canon_sha256":"912a62a8c53d8b6585f53dc49a08cbc186e0eb5a484499c30372d0074e88cde1","abstract_canon_sha256":"5c43c753da543e2e17574be9d794e15f1ccbffdad6408b76e03e428cef996714"},"schema_version":"1.0"},"canonical_sha256":"7835b6bd626a3678cfe95609313fe49aafea0890b09e957f9420c91423b3e289","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:58:34.615635Z","signature_b64":"pv6GEZG/gyOWyQWOpol84HW7b/D9LjYWzgJmgNJNi6AJZ8xyCsHHRutchmZME/rWXPQKViDgSQAQS4wpqNRYBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7835b6bd626a3678cfe95609313fe49aafea0890b09e957f9420c91423b3e289","last_reissued_at":"2026-07-04T14:58:34.615219Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:58:34.615219Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0701249","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":"2026-07-04T14:58:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1Qc540WV8jluT3kckiex7iTrzz3b1QUQTmC+gcgMp/p4GxWfLskWVD3VpjwWoG67OHV/LWBQS5Wv7YXWpGorAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T18:09:30.520688Z"},"content_sha256":"07ca549bf153846b2373d9bc003c7342669d351bdd3c08155afe0fd74dce4ea9","schema_version":"1.0","event_id":"sha256:07ca549bf153846b2373d9bc003c7342669d351bdd3c08155afe0fd74dce4ea9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:PA23NPLCNI3HRT7JKYETCP7ETK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Magnetic fields in Herbig Ae/Be stars","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"C. Catala, C. Folsom, D. Drouin, E. Alecian, G.A. Wade, J.-C. Bouret, J.D. Landstreet, J.-F. Donati, S. Bagnulo, T. Boehm","submitted_at":"2007-01-09T15:16:14Z","abstract_excerpt":"Studies of stellar magnetism at the pre-main sequence phase can provide important new insights into the detailed physics of the late stages of star formation, and into the observed properties of main sequence stars. This is especially true at intermediate stellar masses, where magnetic fields are strong and globally organised, and therefore most amenable to direct study. This paper reviews recent high-precision spectropolarimetric observations of pre-main sequence Herbig Ae/Be stars, which are yielding qualitatively new information about intermediate-mass stars: the origin and evolution of the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0701249","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/0701249/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":"2026-07-04T14:58:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"M+yvoMQryovFV17dEUOCsMrEQiHT76H9mjc8Q/D70RHFaiAzpgjYpKUBiMkD1JobLzV9uj586fJrqTmXmdpOAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T18:09:30.521081Z"},"content_sha256":"cdd8e05dd5084cf89bb12551b0804e2d2a6af5826bca91322ddd5977fe5e8daa","schema_version":"1.0","event_id":"sha256:cdd8e05dd5084cf89bb12551b0804e2d2a6af5826bca91322ddd5977fe5e8daa"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PA23NPLCNI3HRT7JKYETCP7ETK/bundle.json","state_url":"https://pith.science/pith/PA23NPLCNI3HRT7JKYETCP7ETK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PA23NPLCNI3HRT7JKYETCP7ETK/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":"2026-08-06T18:09:30Z","links":{"resolver":"https://pith.science/pith/PA23NPLCNI3HRT7JKYETCP7ETK","bundle":"https://pith.science/pith/PA23NPLCNI3HRT7JKYETCP7ETK/bundle.json","state":"https://pith.science/pith/PA23NPLCNI3HRT7JKYETCP7ETK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PA23NPLCNI3HRT7JKYETCP7ETK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:PA23NPLCNI3HRT7JKYETCP7ETK","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":"5c43c753da543e2e17574be9d794e15f1ccbffdad6408b76e03e428cef996714","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-01-09T15:16:14Z","title_canon_sha256":"912a62a8c53d8b6585f53dc49a08cbc186e0eb5a484499c30372d0074e88cde1"},"schema_version":"1.0","source":{"id":"astro-ph/0701249","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0701249","created_at":"2026-07-04T14:58:34Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0701249v1","created_at":"2026-07-04T14:58:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0701249","created_at":"2026-07-04T14:58:34Z"},{"alias_kind":"pith_short_12","alias_value":"PA23NPLCNI3H","created_at":"2026-07-04T14:58:34Z"},{"alias_kind":"pith_short_16","alias_value":"PA23NPLCNI3HRT7J","created_at":"2026-07-04T14:58:34Z"},{"alias_kind":"pith_short_8","alias_value":"PA23NPLC","created_at":"2026-07-04T14:58:34Z"}],"graph_snapshots":[{"event_id":"sha256:cdd8e05dd5084cf89bb12551b0804e2d2a6af5826bca91322ddd5977fe5e8daa","target":"graph","created_at":"2026-07-04T14:58:34Z","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/astro-ph/0701249/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Studies of stellar magnetism at the pre-main sequence phase can provide important new insights into the detailed physics of the late stages of star formation, and into the observed properties of main sequence stars. This is especially true at intermediate stellar masses, where magnetic fields are strong and globally organised, and therefore most amenable to direct study. This paper reviews recent high-precision spectropolarimetric observations of pre-main sequence Herbig Ae/Be stars, which are yielding qualitatively new information about intermediate-mass stars: the origin and evolution of the","authors_text":"C. Catala, C. Folsom, D. Drouin, E. Alecian, G.A. Wade, J.-C. Bouret, J.D. Landstreet, J.-F. Donati, S. Bagnulo, T. Boehm","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2007-01-09T15:16:14Z","title":"Magnetic fields in Herbig Ae/Be stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0701249","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":"sha256:07ca549bf153846b2373d9bc003c7342669d351bdd3c08155afe0fd74dce4ea9","target":"record","created_at":"2026-07-04T14:58:34Z","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":"5c43c753da543e2e17574be9d794e15f1ccbffdad6408b76e03e428cef996714","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-01-09T15:16:14Z","title_canon_sha256":"912a62a8c53d8b6585f53dc49a08cbc186e0eb5a484499c30372d0074e88cde1"},"schema_version":"1.0","source":{"id":"astro-ph/0701249","kind":"arxiv","version":1}},"canonical_sha256":"7835b6bd626a3678cfe95609313fe49aafea0890b09e957f9420c91423b3e289","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7835b6bd626a3678cfe95609313fe49aafea0890b09e957f9420c91423b3e289","first_computed_at":"2026-07-04T14:58:34.615219Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:58:34.615219Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pv6GEZG/gyOWyQWOpol84HW7b/D9LjYWzgJmgNJNi6AJZ8xyCsHHRutchmZME/rWXPQKViDgSQAQS4wpqNRYBg==","signature_status":"signed_v1","signed_at":"2026-07-04T14:58:34.615635Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0701249","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:07ca549bf153846b2373d9bc003c7342669d351bdd3c08155afe0fd74dce4ea9","sha256:cdd8e05dd5084cf89bb12551b0804e2d2a6af5826bca91322ddd5977fe5e8daa"],"state_sha256":"b2fe0844f46a047f6e7e73f77842011b3819cac16e00a0bc92a96879f689b27e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pPqricj8cggr/TwgMgasdo8uuK6+p4XkREkgNTHgivfrTgwsqhlgxMK0OZfHw/aI36ZdBmXG4h7Bx0wbToqiDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T18:09:30.523987Z","bundle_sha256":"8763f699e8582b3685306efb5cb12f1cc1c36d8ca40ac8b4f49fdad3c5883ef7"}}