{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:XJW25QBT2EEJZMT4QUUOT3TYIS","short_pith_number":"pith:XJW25QBT","canonical_record":{"source":{"id":"1608.08035","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-08-29T13:04:07Z","cross_cats_sorted":[],"title_canon_sha256":"9039ab6c85b78fbad9cb74aed47419d8daf2a188332ec2ccd380214160dc2294","abstract_canon_sha256":"fec10a12aaaecc69cf8c860bcee181bf699682b251cd3fc1ce7e2661a7c41289"},"schema_version":"1.0"},"canonical_sha256":"ba6daec033d1089cb27c8528e9ee78449650d88ed117f34076ef147faab1ae27","source":{"kind":"arxiv","id":"1608.08035","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1608.08035","created_at":"2026-05-18T00:53:07Z"},{"alias_kind":"arxiv_version","alias_value":"1608.08035v1","created_at":"2026-05-18T00:53:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.08035","created_at":"2026-05-18T00:53:07Z"},{"alias_kind":"pith_short_12","alias_value":"XJW25QBT2EEJ","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_16","alias_value":"XJW25QBT2EEJZMT4","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_8","alias_value":"XJW25QBT","created_at":"2026-05-18T12:30:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:XJW25QBT2EEJZMT4QUUOT3TYIS","target":"record","payload":{"canonical_record":{"source":{"id":"1608.08035","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-08-29T13:04:07Z","cross_cats_sorted":[],"title_canon_sha256":"9039ab6c85b78fbad9cb74aed47419d8daf2a188332ec2ccd380214160dc2294","abstract_canon_sha256":"fec10a12aaaecc69cf8c860bcee181bf699682b251cd3fc1ce7e2661a7c41289"},"schema_version":"1.0"},"canonical_sha256":"ba6daec033d1089cb27c8528e9ee78449650d88ed117f34076ef147faab1ae27","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:53:07.663740Z","signature_b64":"wl2GAZStNB3YCFIYmZPcgVjIa3o6slqFTAeoNX9S8DX8eaz6DvvXPZx+uxKOrdnEE+1FzmbjWTZ1CndFvT3nBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ba6daec033d1089cb27c8528e9ee78449650d88ed117f34076ef147faab1ae27","last_reissued_at":"2026-05-18T00:53:07.663355Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:53:07.663355Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1608.08035","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":"2026-05-18T00:53:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EBubEiKcZZQpY1g1zMQT2fdsQhaCSZJqZi8ylQcBUJFF6N/pwxNN31BSx66hxrDVNvcgpzFVcGLzr5Gyi3RlAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T16:28:15.685576Z"},"content_sha256":"e835bee5c123466427c8eb599afceff7f16ada1bd9ac2c8fbee3ab26ccd010b4","schema_version":"1.0","event_id":"sha256:e835bee5c123466427c8eb599afceff7f16ada1bd9ac2c8fbee3ab26ccd010b4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:XJW25QBT2EEJZMT4QUUOT3TYIS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The 2008 outburst in the Young Stellar System Z CMa. III - Multi-epoch high-angular resolution images and spectra of the components in near-infrared","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Kospal, C. Dougados, E. Whelan, G. Chauvin, G. Duchene, J. Bouvier, L. Podio, M. Benisty, M. Bonnefoy, P. J. V. Garcia, S. Antoniucci","submitted_at":"2016-08-29T13:04:07Z","abstract_excerpt":"Z CMa is a complex pre-main sequence binary with a current separation of 100 mas, known to consist of an FU Orionis star (SE component) and an embedded Herbig Be star (NW component). Immediately when the late-2008 outburst of Z CMa was announced to the community, we initiated a high angular resolution imaging campaign with VLT/NaCo, Keck/NIRC2, VLT/SINFONI, and Keck/OSIRIS which aimed at characterizing the outburst of both components of the system in the near-infrared. We confirm that the NW star dominates the system flux in the 1.1-3.8 microns range and is responsible for the photometric outb"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.08035","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":"2026-05-18T00:53:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/M+Rw9aNEjCheVqp17pxu79uF9+wbAnvJaOuURlpUnx08Gi3OjugqPVN55S1Rxy/rxbK0nelGFQoVstk6CghDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T16:28:15.686234Z"},"content_sha256":"535cdc3ca1aa41ee2292f45729f3a373ba12df8ce8afb0009ea087d8655c770f","schema_version":"1.0","event_id":"sha256:535cdc3ca1aa41ee2292f45729f3a373ba12df8ce8afb0009ea087d8655c770f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XJW25QBT2EEJZMT4QUUOT3TYIS/bundle.json","state_url":"https://pith.science/pith/XJW25QBT2EEJZMT4QUUOT3TYIS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XJW25QBT2EEJZMT4QUUOT3TYIS/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":"2026-06-07T16:28:15Z","links":{"resolver":"https://pith.science/pith/XJW25QBT2EEJZMT4QUUOT3TYIS","bundle":"https://pith.science/pith/XJW25QBT2EEJZMT4QUUOT3TYIS/bundle.json","state":"https://pith.science/pith/XJW25QBT2EEJZMT4QUUOT3TYIS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XJW25QBT2EEJZMT4QUUOT3TYIS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:XJW25QBT2EEJZMT4QUUOT3TYIS","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":"fec10a12aaaecc69cf8c860bcee181bf699682b251cd3fc1ce7e2661a7c41289","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-08-29T13:04:07Z","title_canon_sha256":"9039ab6c85b78fbad9cb74aed47419d8daf2a188332ec2ccd380214160dc2294"},"schema_version":"1.0","source":{"id":"1608.08035","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1608.08035","created_at":"2026-05-18T00:53:07Z"},{"alias_kind":"arxiv_version","alias_value":"1608.08035v1","created_at":"2026-05-18T00:53:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.08035","created_at":"2026-05-18T00:53:07Z"},{"alias_kind":"pith_short_12","alias_value":"XJW25QBT2EEJ","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_16","alias_value":"XJW25QBT2EEJZMT4","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_8","alias_value":"XJW25QBT","created_at":"2026-05-18T12:30:51Z"}],"graph_snapshots":[{"event_id":"sha256:535cdc3ca1aa41ee2292f45729f3a373ba12df8ce8afb0009ea087d8655c770f","target":"graph","created_at":"2026-05-18T00:53:07Z","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":"Z CMa is a complex pre-main sequence binary with a current separation of 100 mas, known to consist of an FU Orionis star (SE component) and an embedded Herbig Be star (NW component). Immediately when the late-2008 outburst of Z CMa was announced to the community, we initiated a high angular resolution imaging campaign with VLT/NaCo, Keck/NIRC2, VLT/SINFONI, and Keck/OSIRIS which aimed at characterizing the outburst of both components of the system in the near-infrared. We confirm that the NW star dominates the system flux in the 1.1-3.8 microns range and is responsible for the photometric outb","authors_text":"A. Kospal, C. Dougados, E. Whelan, G. Chauvin, G. Duchene, J. Bouvier, L. Podio, M. Benisty, M. Bonnefoy, P. J. V. Garcia, S. Antoniucci","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-08-29T13:04:07Z","title":"The 2008 outburst in the Young Stellar System Z CMa. III - Multi-epoch high-angular resolution images and spectra of the components in near-infrared"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.08035","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:e835bee5c123466427c8eb599afceff7f16ada1bd9ac2c8fbee3ab26ccd010b4","target":"record","created_at":"2026-05-18T00:53:07Z","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":"fec10a12aaaecc69cf8c860bcee181bf699682b251cd3fc1ce7e2661a7c41289","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-08-29T13:04:07Z","title_canon_sha256":"9039ab6c85b78fbad9cb74aed47419d8daf2a188332ec2ccd380214160dc2294"},"schema_version":"1.0","source":{"id":"1608.08035","kind":"arxiv","version":1}},"canonical_sha256":"ba6daec033d1089cb27c8528e9ee78449650d88ed117f34076ef147faab1ae27","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ba6daec033d1089cb27c8528e9ee78449650d88ed117f34076ef147faab1ae27","first_computed_at":"2026-05-18T00:53:07.663355Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:53:07.663355Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wl2GAZStNB3YCFIYmZPcgVjIa3o6slqFTAeoNX9S8DX8eaz6DvvXPZx+uxKOrdnEE+1FzmbjWTZ1CndFvT3nBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:53:07.663740Z","signed_message":"canonical_sha256_bytes"},"source_id":"1608.08035","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e835bee5c123466427c8eb599afceff7f16ada1bd9ac2c8fbee3ab26ccd010b4","sha256:535cdc3ca1aa41ee2292f45729f3a373ba12df8ce8afb0009ea087d8655c770f"],"state_sha256":"113763d379bbefa609f8410e80e113edb88a779f8619c61c31f528eef9577f26"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zc+bBs2wdw1HpjI3pqoVV73bEw3G3kEfWARv+QjJuJ2HAgvqs159DsmW7Ex3q2LXml2N7fdHcxYF0/Dqqln+CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T16:28:15.690378Z","bundle_sha256":"ea94a1c76f5ba5da6e7467e7be9a6ecba8d313cbfcbbda54e09b4c6e11a41964"}}