{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:NVGG6C2PQEOHZWKSYIAFBQADPB","short_pith_number":"pith:NVGG6C2P","canonical_record":{"source":{"id":"1408.6756","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-08-28T15:37:10Z","cross_cats_sorted":[],"title_canon_sha256":"fc4276c04d74e8ff138db468215069d0c103987040e3eda5fd0b87c672de442f","abstract_canon_sha256":"fcd4bd8f55d7ac48e3c56e60acdb5b092095f04f6e44d80b236710d33239b22f"},"schema_version":"1.0"},"canonical_sha256":"6d4c6f0b4f811c7cd952c20050c003787e90e0f71ade5ca2babd1d2e7b0ad830","source":{"kind":"arxiv","id":"1408.6756","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.6756","created_at":"2026-05-18T01:42:12Z"},{"alias_kind":"arxiv_version","alias_value":"1408.6756v1","created_at":"2026-05-18T01:42:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.6756","created_at":"2026-05-18T01:42:12Z"},{"alias_kind":"pith_short_12","alias_value":"NVGG6C2PQEOH","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"NVGG6C2PQEOHZWKS","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"NVGG6C2P","created_at":"2026-05-18T12:28:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:NVGG6C2PQEOHZWKSYIAFBQADPB","target":"record","payload":{"canonical_record":{"source":{"id":"1408.6756","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-08-28T15:37:10Z","cross_cats_sorted":[],"title_canon_sha256":"fc4276c04d74e8ff138db468215069d0c103987040e3eda5fd0b87c672de442f","abstract_canon_sha256":"fcd4bd8f55d7ac48e3c56e60acdb5b092095f04f6e44d80b236710d33239b22f"},"schema_version":"1.0"},"canonical_sha256":"6d4c6f0b4f811c7cd952c20050c003787e90e0f71ade5ca2babd1d2e7b0ad830","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:42:12.237069Z","signature_b64":"LBYUTzK5XS6TIETV6f8GbZEHR127T3I2X/0s/Z8g/G+Idn7wLLyCbnTVQr+k/xXZCLJKuhhElfVTSy4OGBdBDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6d4c6f0b4f811c7cd952c20050c003787e90e0f71ade5ca2babd1d2e7b0ad830","last_reissued_at":"2026-05-18T01:42:12.236244Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:42:12.236244Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1408.6756","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":"2026-05-18T01:42:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SnEtPPx9CXALuVlxreIV/7IwPQPSK2szABZ5ywOhhY9Pcw6YBDwO76UA6KUtIrBYUAa9nl/4lITDokncSvboAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T23:14:19.155950Z"},"content_sha256":"b6c2229a01df55a8d3678f24e1b3eec7a4a6a4cf744e81161908f2db4f631113","schema_version":"1.0","event_id":"sha256:b6c2229a01df55a8d3678f24e1b3eec7a4a6a4cf744e81161908f2db4f631113"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:NVGG6C2PQEOHZWKSYIAFBQADPB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Young Stellar Object Variability (YSOVAR): Long Timescale Variations in the Mid-Infrared","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Bayo (Max Planck; U. Valpariso), A. M. Cody (SSC/IPAC), C. Alves de Oliveira (ESA/ESAC), D. Ardila (IPAC), D. Barrado (INTA-CSIC), D. James (CTIO), F. Favata (ESTEC), F. J. Vrba (USNO), G. Micela (INAF), H. A. Smith (Harvard CfA), H. Bouy (INTA-CSIC), H. M. Guenther (Harvard CfA), I. Song (UGeorgia), J. Bouvier (IPAG), J. Forbrich (U. Vienna), J. Hernandez (CIDA), J. L. Hora (Harvard CfA), J. M. Carpenter (Caltech), J. R. Stauffer (SSC/IPAC), K. Flaherty (Wesleyan), K. Poppenhaeger (Harvard CfA), K. R. Covey (Lowell), L. A. Hillenbrand (Caltech), L. Allen (NOAO), L. M. Rebull (SSC/IPAC), M. J. McCaughrean (ESTEC), M. Morales-Calderon (INTA-CSIC), N. Turner (JPL), P. Plavchan (NExScI/IPAC), R. Gutermuth (U. Mass), S. Guieu (ESO), S. J. Carey (SSC/IPAC), S. J. Wolk (Harvard CfA), S. Terebey (CSULA), S. T. Megeath (U. Toledo)","submitted_at":"2014-08-28T15:37:10Z","abstract_excerpt":"The YSOVAR (Young Stellar Object VARiability) Spitzer Space Telescope observing program obtained the first extensive mid-infrared (3.6 & 4.5 um) time-series photometry of the Orion Nebula Cluster plus smaller footprints in eleven other star-forming cores (AFGL490, NGC1333, MonR2, GGD 12-15, NGC2264, L1688, Serpens Main, Serpens South, IRAS 20050+2720, IC1396A, and Ceph C). There are ~29,000 unique objects with light curves in either or both IRAC channels in the YSOVAR data set. We present the data collection and reduction for the Spitzer and ancillary data, and define the \"standard sample\" on "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.6756","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":"2026-05-18T01:42:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E3YhBjMeXKkRLlm+ElpjPZO/5K3XywKiof0HduVioJJEqUFlBP3ux9JVUVRRSQq7CNcLdqbCe+oEmfkEdOK8BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T23:14:19.156340Z"},"content_sha256":"0563aeb94624570a53ed2d61ba4aba746bbecf73647c0923ccdd95cdcade81b1","schema_version":"1.0","event_id":"sha256:0563aeb94624570a53ed2d61ba4aba746bbecf73647c0923ccdd95cdcade81b1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NVGG6C2PQEOHZWKSYIAFBQADPB/bundle.json","state_url":"https://pith.science/pith/NVGG6C2PQEOHZWKSYIAFBQADPB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NVGG6C2PQEOHZWKSYIAFBQADPB/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":"2026-06-20T23:14:19Z","links":{"resolver":"https://pith.science/pith/NVGG6C2PQEOHZWKSYIAFBQADPB","bundle":"https://pith.science/pith/NVGG6C2PQEOHZWKSYIAFBQADPB/bundle.json","state":"https://pith.science/pith/NVGG6C2PQEOHZWKSYIAFBQADPB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NVGG6C2PQEOHZWKSYIAFBQADPB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:NVGG6C2PQEOHZWKSYIAFBQADPB","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":"fcd4bd8f55d7ac48e3c56e60acdb5b092095f04f6e44d80b236710d33239b22f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-08-28T15:37:10Z","title_canon_sha256":"fc4276c04d74e8ff138db468215069d0c103987040e3eda5fd0b87c672de442f"},"schema_version":"1.0","source":{"id":"1408.6756","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.6756","created_at":"2026-05-18T01:42:12Z"},{"alias_kind":"arxiv_version","alias_value":"1408.6756v1","created_at":"2026-05-18T01:42:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.6756","created_at":"2026-05-18T01:42:12Z"},{"alias_kind":"pith_short_12","alias_value":"NVGG6C2PQEOH","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"NVGG6C2PQEOHZWKS","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"NVGG6C2P","created_at":"2026-05-18T12:28:41Z"}],"graph_snapshots":[{"event_id":"sha256:0563aeb94624570a53ed2d61ba4aba746bbecf73647c0923ccdd95cdcade81b1","target":"graph","created_at":"2026-05-18T01:42:12Z","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":"The YSOVAR (Young Stellar Object VARiability) Spitzer Space Telescope observing program obtained the first extensive mid-infrared (3.6 & 4.5 um) time-series photometry of the Orion Nebula Cluster plus smaller footprints in eleven other star-forming cores (AFGL490, NGC1333, MonR2, GGD 12-15, NGC2264, L1688, Serpens Main, Serpens South, IRAS 20050+2720, IC1396A, and Ceph C). There are ~29,000 unique objects with light curves in either or both IRAC channels in the YSOVAR data set. We present the data collection and reduction for the Spitzer and ancillary data, and define the \"standard sample\" on ","authors_text":"A. Bayo (Max Planck; U. Valpariso), A. M. Cody (SSC/IPAC), C. Alves de Oliveira (ESA/ESAC), D. Ardila (IPAC), D. Barrado (INTA-CSIC), D. James (CTIO), F. Favata (ESTEC), F. J. Vrba (USNO), G. Micela (INAF), H. A. Smith (Harvard CfA), H. Bouy (INTA-CSIC), H. M. Guenther (Harvard CfA), I. Song (UGeorgia), J. Bouvier (IPAG), J. Forbrich (U. Vienna), J. Hernandez (CIDA), J. L. Hora (Harvard CfA), J. M. Carpenter (Caltech), J. R. Stauffer (SSC/IPAC), K. Flaherty (Wesleyan), K. Poppenhaeger (Harvard CfA), K. R. Covey (Lowell), L. A. Hillenbrand (Caltech), L. Allen (NOAO), L. M. Rebull (SSC/IPAC), M. J. McCaughrean (ESTEC), M. Morales-Calderon (INTA-CSIC), N. Turner (JPL), P. Plavchan (NExScI/IPAC), R. Gutermuth (U. Mass), S. Guieu (ESO), S. J. Carey (SSC/IPAC), S. J. Wolk (Harvard CfA), S. Terebey (CSULA), S. T. Megeath (U. Toledo)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-08-28T15:37:10Z","title":"Young Stellar Object Variability (YSOVAR): Long Timescale Variations in the Mid-Infrared"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.6756","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:b6c2229a01df55a8d3678f24e1b3eec7a4a6a4cf744e81161908f2db4f631113","target":"record","created_at":"2026-05-18T01:42:12Z","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":"fcd4bd8f55d7ac48e3c56e60acdb5b092095f04f6e44d80b236710d33239b22f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-08-28T15:37:10Z","title_canon_sha256":"fc4276c04d74e8ff138db468215069d0c103987040e3eda5fd0b87c672de442f"},"schema_version":"1.0","source":{"id":"1408.6756","kind":"arxiv","version":1}},"canonical_sha256":"6d4c6f0b4f811c7cd952c20050c003787e90e0f71ade5ca2babd1d2e7b0ad830","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6d4c6f0b4f811c7cd952c20050c003787e90e0f71ade5ca2babd1d2e7b0ad830","first_computed_at":"2026-05-18T01:42:12.236244Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:42:12.236244Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LBYUTzK5XS6TIETV6f8GbZEHR127T3I2X/0s/Z8g/G+Idn7wLLyCbnTVQr+k/xXZCLJKuhhElfVTSy4OGBdBDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:42:12.237069Z","signed_message":"canonical_sha256_bytes"},"source_id":"1408.6756","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b6c2229a01df55a8d3678f24e1b3eec7a4a6a4cf744e81161908f2db4f631113","sha256:0563aeb94624570a53ed2d61ba4aba746bbecf73647c0923ccdd95cdcade81b1"],"state_sha256":"c03c52465f5d4c9450d58286613c08939e79ce97353c84370d161bbfaa226dfb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"08RYxbkYdP4vL77WCrcee44DanIqu/gF04BawSBjBLZx36FT4ykAxCHx/w6QIsmqL2+eCXk34qUgM5XfWoRNCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-20T23:14:19.158340Z","bundle_sha256":"7302514a6828d10dadf395c85aea98f3487a40cdeabdde5f3bd3f9a0b39d34e8"}}