{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:Z3GOTPJS2OBSCTS6NBKUBIBSWF","short_pith_number":"pith:Z3GOTPJS","canonical_record":{"source":{"id":"1405.3332","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-05-14T00:02:44Z","cross_cats_sorted":[],"title_canon_sha256":"761218edbaaaebcd77e830b0102189dad76d8c0d4cbe7680b494a46baa349a04","abstract_canon_sha256":"79bbc17c8087bf4810c9b08da2e78a059749f23060545b40036d267a393c418f"},"schema_version":"1.0"},"canonical_sha256":"cecce9bd32d383214e5e685540a032b14c7a2a91b9cb2b393695008766817891","source":{"kind":"arxiv","id":"1405.3332","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.3332","created_at":"2026-05-18T00:42:33Z"},{"alias_kind":"arxiv_version","alias_value":"1405.3332v2","created_at":"2026-05-18T00:42:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.3332","created_at":"2026-05-18T00:42:33Z"},{"alias_kind":"pith_short_12","alias_value":"Z3GOTPJS2OBS","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_16","alias_value":"Z3GOTPJS2OBSCTS6","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_8","alias_value":"Z3GOTPJS","created_at":"2026-05-18T12:28:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:Z3GOTPJS2OBSCTS6NBKUBIBSWF","target":"record","payload":{"canonical_record":{"source":{"id":"1405.3332","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-05-14T00:02:44Z","cross_cats_sorted":[],"title_canon_sha256":"761218edbaaaebcd77e830b0102189dad76d8c0d4cbe7680b494a46baa349a04","abstract_canon_sha256":"79bbc17c8087bf4810c9b08da2e78a059749f23060545b40036d267a393c418f"},"schema_version":"1.0"},"canonical_sha256":"cecce9bd32d383214e5e685540a032b14c7a2a91b9cb2b393695008766817891","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:42:33.672424Z","signature_b64":"Vs0QUiMPVcyC+3d2zpaBsI7KFFMJ8//MPSQj600jDq7ir2wJ7dyEbkUZpwJ3EH3j7ulnG5VO6i6KRRF1er8gCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cecce9bd32d383214e5e685540a032b14c7a2a91b9cb2b393695008766817891","last_reissued_at":"2026-05-18T00:42:33.671917Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:42:33.671917Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1405.3332","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":"2026-05-18T00:42:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"l/l4YEULVKnCNvKrqiRElSDvfg8OQPmEQv5ek8dYS6BoaYKMr/9UZNsTYrQNer8tk480IJGQEOk67XAZ7jiGAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T10:43:34.222141Z"},"content_sha256":"281fdcdaaf7086e2bee98595f7fcdf8f4d8e83ae2f4d464e1cd55c773e03ca0c","schema_version":"1.0","event_id":"sha256:281fdcdaaf7086e2bee98595f7fcdf8f4d8e83ae2f4d464e1cd55c773e03ca0c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:Z3GOTPJS2OBSCTS6NBKUBIBSWF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cobalt-56 gamma-ray emission lines from the type Ia supernova 2014J","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"E. Bravo, E. Churazov, F. Lebrun, J. Isern, J. Kn\\\"odlseder, M. Renaud, N. Chugai, P. Jean, R. Sunyaev, S. Grebenev, S. Sazonov","submitted_at":"2014-05-14T00:02:44Z","abstract_excerpt":"A type Ia supernova is thought to be a thermonuclear explosion of either a single carbon-oxygen white dwarf or of a pair of merging white dwarfs. The explosion fuses a large amount of radioactive 56Ni. After the explosion, the decay chain from 56Ni to 56Co to 56Fe generates gamma-ray photons, which are reprocessed in the expanding ejecta and give rise to powerful optical emission. Here we report the detection of 56Co lines at energies of 847 and 1238 keV and a gamma-ray continuum in the 200-400 keV band from the type Ia supernova 2014J in the nearby galaxy M82. The line fluxes suggest that abo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.3332","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":"2026-05-18T00:42:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"y00qSotbrBQzxpkNt0ea+nvTpn6zYyKHLhwRKzRxTIKu5NE1KXArOVsoHQypS0JIt/UJG7Tz4A4AdB8e6bJdBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T10:43:34.222702Z"},"content_sha256":"8ad6f77e7cf8912dd68f4c5b9b044d529b7914d0697fd5064cda675b4c460682","schema_version":"1.0","event_id":"sha256:8ad6f77e7cf8912dd68f4c5b9b044d529b7914d0697fd5064cda675b4c460682"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Z3GOTPJS2OBSCTS6NBKUBIBSWF/bundle.json","state_url":"https://pith.science/pith/Z3GOTPJS2OBSCTS6NBKUBIBSWF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Z3GOTPJS2OBSCTS6NBKUBIBSWF/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":"2026-05-20T10:43:34Z","links":{"resolver":"https://pith.science/pith/Z3GOTPJS2OBSCTS6NBKUBIBSWF","bundle":"https://pith.science/pith/Z3GOTPJS2OBSCTS6NBKUBIBSWF/bundle.json","state":"https://pith.science/pith/Z3GOTPJS2OBSCTS6NBKUBIBSWF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Z3GOTPJS2OBSCTS6NBKUBIBSWF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:Z3GOTPJS2OBSCTS6NBKUBIBSWF","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":"79bbc17c8087bf4810c9b08da2e78a059749f23060545b40036d267a393c418f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-05-14T00:02:44Z","title_canon_sha256":"761218edbaaaebcd77e830b0102189dad76d8c0d4cbe7680b494a46baa349a04"},"schema_version":"1.0","source":{"id":"1405.3332","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.3332","created_at":"2026-05-18T00:42:33Z"},{"alias_kind":"arxiv_version","alias_value":"1405.3332v2","created_at":"2026-05-18T00:42:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.3332","created_at":"2026-05-18T00:42:33Z"},{"alias_kind":"pith_short_12","alias_value":"Z3GOTPJS2OBS","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_16","alias_value":"Z3GOTPJS2OBSCTS6","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_8","alias_value":"Z3GOTPJS","created_at":"2026-05-18T12:28:59Z"}],"graph_snapshots":[{"event_id":"sha256:8ad6f77e7cf8912dd68f4c5b9b044d529b7914d0697fd5064cda675b4c460682","target":"graph","created_at":"2026-05-18T00:42:33Z","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":"A type Ia supernova is thought to be a thermonuclear explosion of either a single carbon-oxygen white dwarf or of a pair of merging white dwarfs. The explosion fuses a large amount of radioactive 56Ni. After the explosion, the decay chain from 56Ni to 56Co to 56Fe generates gamma-ray photons, which are reprocessed in the expanding ejecta and give rise to powerful optical emission. Here we report the detection of 56Co lines at energies of 847 and 1238 keV and a gamma-ray continuum in the 200-400 keV band from the type Ia supernova 2014J in the nearby galaxy M82. The line fluxes suggest that abo","authors_text":"E. Bravo, E. Churazov, F. Lebrun, J. Isern, J. Kn\\\"odlseder, M. Renaud, N. Chugai, P. Jean, R. Sunyaev, S. Grebenev, S. Sazonov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-05-14T00:02:44Z","title":"Cobalt-56 gamma-ray emission lines from the type Ia supernova 2014J"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.3332","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":"sha256:281fdcdaaf7086e2bee98595f7fcdf8f4d8e83ae2f4d464e1cd55c773e03ca0c","target":"record","created_at":"2026-05-18T00:42:33Z","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":"79bbc17c8087bf4810c9b08da2e78a059749f23060545b40036d267a393c418f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-05-14T00:02:44Z","title_canon_sha256":"761218edbaaaebcd77e830b0102189dad76d8c0d4cbe7680b494a46baa349a04"},"schema_version":"1.0","source":{"id":"1405.3332","kind":"arxiv","version":2}},"canonical_sha256":"cecce9bd32d383214e5e685540a032b14c7a2a91b9cb2b393695008766817891","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cecce9bd32d383214e5e685540a032b14c7a2a91b9cb2b393695008766817891","first_computed_at":"2026-05-18T00:42:33.671917Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:42:33.671917Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Vs0QUiMPVcyC+3d2zpaBsI7KFFMJ8//MPSQj600jDq7ir2wJ7dyEbkUZpwJ3EH3j7ulnG5VO6i6KRRF1er8gCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:42:33.672424Z","signed_message":"canonical_sha256_bytes"},"source_id":"1405.3332","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:281fdcdaaf7086e2bee98595f7fcdf8f4d8e83ae2f4d464e1cd55c773e03ca0c","sha256:8ad6f77e7cf8912dd68f4c5b9b044d529b7914d0697fd5064cda675b4c460682"],"state_sha256":"5bd3e5fa36641bd3e9430fe78717445c50c31a38e1d571d84373bdb84831b00c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KogRO4doFnoogbKpPh+ZKGaPx5WV2cPJ1Dme8WON+JWhompMEVrF8tepoK8ojQc+wEZZ6x0HGWCJnGGuJ9quAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T10:43:34.225563Z","bundle_sha256":"fb6a6a8c5e7a3edd7308fb598f25a3d8455ccf6db5fcb35fc9bdb563b5189c14"}}