{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:Q3VV6E6GVNXY5MBS3UGUMQMDCI","short_pith_number":"pith:Q3VV6E6G","canonical_record":{"source":{"id":"1208.2599","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-08-13T14:28:58Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"60d52cbff8132c7489f2c0cad9a5a820a6022934b5fb8ca81b01b58912885791","abstract_canon_sha256":"38e565815830a771e5ed6c8bbc03d2aff699eaa0f0f39c4d0124db88e54597cc"},"schema_version":"1.0"},"canonical_sha256":"86eb5f13c6ab6f8eb032dd0d464183120a9dff0fa24309f85470c164d6a29f00","source":{"kind":"arxiv","id":"1208.2599","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.2599","created_at":"2026-05-18T01:55:16Z"},{"alias_kind":"arxiv_version","alias_value":"1208.2599v2","created_at":"2026-05-18T01:55:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.2599","created_at":"2026-05-18T01:55:16Z"},{"alias_kind":"pith_short_12","alias_value":"Q3VV6E6GVNXY","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_16","alias_value":"Q3VV6E6GVNXY5MBS","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_8","alias_value":"Q3VV6E6G","created_at":"2026-05-18T12:27:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:Q3VV6E6GVNXY5MBS3UGUMQMDCI","target":"record","payload":{"canonical_record":{"source":{"id":"1208.2599","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-08-13T14:28:58Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"60d52cbff8132c7489f2c0cad9a5a820a6022934b5fb8ca81b01b58912885791","abstract_canon_sha256":"38e565815830a771e5ed6c8bbc03d2aff699eaa0f0f39c4d0124db88e54597cc"},"schema_version":"1.0"},"canonical_sha256":"86eb5f13c6ab6f8eb032dd0d464183120a9dff0fa24309f85470c164d6a29f00","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:55:16.410247Z","signature_b64":"fPGwEvSwZaEHiHN3ZYeEeOkvRr7WhjasfkigpeXr2Nyf59YsPyXydIyqlDzyZGtZAlZ9psbkXOUSQcVJvWiNDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"86eb5f13c6ab6f8eb032dd0d464183120a9dff0fa24309f85470c164d6a29f00","last_reissued_at":"2026-05-18T01:55:16.409865Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:55:16.409865Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1208.2599","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:55:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZXDbh02WHXYspcH24MMzYaY00xnVjIh/d3UZeJl7Gwe35mEmpH2Wu6Kzj5yF56u+Ik7L2VfGHkCV4fUX6ydwCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T16:37:22.752218Z"},"content_sha256":"f67dee51c93039181eaafb7122d92ea18da6496438565a3858e49fd16bb0a79a","schema_version":"1.0","event_id":"sha256:f67dee51c93039181eaafb7122d92ea18da6496438565a3858e49fd16bb0a79a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:Q3VV6E6GVNXY5MBS3UGUMQMDCI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Supernova 2008J: early time observations of a heavily reddened SN 2002ic-like transient","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.HE","authors_text":"A. Campillay, C. Contreras, C. R. Burns, E. Heinrich-Josties, F. Taddia, G. Folatelli, G. Leloudas, J. P. Anderson, J. Sollerman, K. Maeda, L. Boldt, M. D. Stritzinger, M. Hamuy, M. M. Phillips, M. Roth, N. B. Suntzeff, N. Morrell, S. Castellon, S. E. Persson, S. Valenti, W. Krzeminski, W. L. Freedman","submitted_at":"2012-08-13T14:28:58Z","abstract_excerpt":"We provide additional observational evidence that some Type Ia supernovae (SNe Ia) show signatures of circumstellar interaction (CSI) with hydrogen-rich material. Early phase optical and near-infrared (NIR) light curves and spectroscopy of SN 2008J obtained by the Carnegie Supernova Project are studied and compared to those of SNe 2002ic and 2005gj. Our NIR spectrum is the first obtained for a 2002ic-like object extending up to 2.2 $\\mu$m. A published high-resolution spectrum is used to provide insight on the circumstellar material (CSM). SN 2008J is found to be affected by $A_V\\sim$ 1.9 mag o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.2599","kind":"arxiv","version":2},"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":"2026-05-18T01:55:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ezTS7I3wybvm29LEeursrc4J5j3b5RBzEGbeAKdK/G8XYLphnXFr5Al4ZswtRXx4QBgmvO3Xfpbkj2KOnzlrCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T16:37:22.753054Z"},"content_sha256":"b7ef18493290aa15002aaf2780dc1fb682e179900d1011345f54b96db22d1a81","schema_version":"1.0","event_id":"sha256:b7ef18493290aa15002aaf2780dc1fb682e179900d1011345f54b96db22d1a81"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Q3VV6E6GVNXY5MBS3UGUMQMDCI/bundle.json","state_url":"https://pith.science/pith/Q3VV6E6GVNXY5MBS3UGUMQMDCI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Q3VV6E6GVNXY5MBS3UGUMQMDCI/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":"2026-05-31T16:37:22Z","links":{"resolver":"https://pith.science/pith/Q3VV6E6GVNXY5MBS3UGUMQMDCI","bundle":"https://pith.science/pith/Q3VV6E6GVNXY5MBS3UGUMQMDCI/bundle.json","state":"https://pith.science/pith/Q3VV6E6GVNXY5MBS3UGUMQMDCI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Q3VV6E6GVNXY5MBS3UGUMQMDCI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:Q3VV6E6GVNXY5MBS3UGUMQMDCI","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":"38e565815830a771e5ed6c8bbc03d2aff699eaa0f0f39c4d0124db88e54597cc","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-08-13T14:28:58Z","title_canon_sha256":"60d52cbff8132c7489f2c0cad9a5a820a6022934b5fb8ca81b01b58912885791"},"schema_version":"1.0","source":{"id":"1208.2599","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.2599","created_at":"2026-05-18T01:55:16Z"},{"alias_kind":"arxiv_version","alias_value":"1208.2599v2","created_at":"2026-05-18T01:55:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.2599","created_at":"2026-05-18T01:55:16Z"},{"alias_kind":"pith_short_12","alias_value":"Q3VV6E6GVNXY","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_16","alias_value":"Q3VV6E6GVNXY5MBS","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_8","alias_value":"Q3VV6E6G","created_at":"2026-05-18T12:27:18Z"}],"graph_snapshots":[{"event_id":"sha256:b7ef18493290aa15002aaf2780dc1fb682e179900d1011345f54b96db22d1a81","target":"graph","created_at":"2026-05-18T01:55:16Z","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 provide additional observational evidence that some Type Ia supernovae (SNe Ia) show signatures of circumstellar interaction (CSI) with hydrogen-rich material. Early phase optical and near-infrared (NIR) light curves and spectroscopy of SN 2008J obtained by the Carnegie Supernova Project are studied and compared to those of SNe 2002ic and 2005gj. Our NIR spectrum is the first obtained for a 2002ic-like object extending up to 2.2 $\\mu$m. A published high-resolution spectrum is used to provide insight on the circumstellar material (CSM). SN 2008J is found to be affected by $A_V\\sim$ 1.9 mag o","authors_text":"A. Campillay, C. Contreras, C. R. Burns, E. Heinrich-Josties, F. Taddia, G. Folatelli, G. Leloudas, J. P. Anderson, J. Sollerman, K. Maeda, L. Boldt, M. D. Stritzinger, M. Hamuy, M. M. Phillips, M. Roth, N. B. Suntzeff, N. Morrell, S. Castellon, S. E. Persson, S. Valenti, W. Krzeminski, W. L. Freedman","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-08-13T14:28:58Z","title":"Supernova 2008J: early time observations of a heavily reddened SN 2002ic-like transient"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.2599","kind":"arxiv","version":2},"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:f67dee51c93039181eaafb7122d92ea18da6496438565a3858e49fd16bb0a79a","target":"record","created_at":"2026-05-18T01:55:16Z","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":"38e565815830a771e5ed6c8bbc03d2aff699eaa0f0f39c4d0124db88e54597cc","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-08-13T14:28:58Z","title_canon_sha256":"60d52cbff8132c7489f2c0cad9a5a820a6022934b5fb8ca81b01b58912885791"},"schema_version":"1.0","source":{"id":"1208.2599","kind":"arxiv","version":2}},"canonical_sha256":"86eb5f13c6ab6f8eb032dd0d464183120a9dff0fa24309f85470c164d6a29f00","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"86eb5f13c6ab6f8eb032dd0d464183120a9dff0fa24309f85470c164d6a29f00","first_computed_at":"2026-05-18T01:55:16.409865Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:55:16.409865Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fPGwEvSwZaEHiHN3ZYeEeOkvRr7WhjasfkigpeXr2Nyf59YsPyXydIyqlDzyZGtZAlZ9psbkXOUSQcVJvWiNDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:55:16.410247Z","signed_message":"canonical_sha256_bytes"},"source_id":"1208.2599","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f67dee51c93039181eaafb7122d92ea18da6496438565a3858e49fd16bb0a79a","sha256:b7ef18493290aa15002aaf2780dc1fb682e179900d1011345f54b96db22d1a81"],"state_sha256":"00d2b0d8510e292e5c4ef312c25953aae851bcb5c9bad85865e242ce40b1051a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fwYXSzMA/CjSz1IKMdopeRlSjFijNMihhm9beSAqTgPXLgSehl6G2c6e9ZbYjkquHJ5sYZcQD9PvHVlFsOiBDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T16:37:22.758002Z","bundle_sha256":"0c2521df539e8f79177b18d222d6fd142de371ce457906cb08987426c46067c4"}}