{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:SBXGX5P6DEQGZIGRA7WKSTYW2R","short_pith_number":"pith:SBXGX5P6","canonical_record":{"source":{"id":"1711.00628","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-11-02T06:26:57Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"b5cd08b12f1d7734ba33daa85661b7ba3df1f881f259d3751577a972e8c32f2a","abstract_canon_sha256":"e9e5e2d8cc2cf32e6b44f42ce07a985e2c231e17d2f651523b6aaa02c08f20bc"},"schema_version":"1.0"},"canonical_sha256":"906e6bf5fe19206ca0d107eca94f16d46d8f1e65ff08d66a3410892c77ffaaf2","source":{"kind":"arxiv","id":"1711.00628","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.00628","created_at":"2026-05-18T00:27:18Z"},{"alias_kind":"arxiv_version","alias_value":"1711.00628v1","created_at":"2026-05-18T00:27:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.00628","created_at":"2026-05-18T00:27:18Z"},{"alias_kind":"pith_short_12","alias_value":"SBXGX5P6DEQG","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_16","alias_value":"SBXGX5P6DEQGZIGR","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_8","alias_value":"SBXGX5P6","created_at":"2026-05-18T12:31:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:SBXGX5P6DEQGZIGRA7WKSTYW2R","target":"record","payload":{"canonical_record":{"source":{"id":"1711.00628","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-11-02T06:26:57Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"b5cd08b12f1d7734ba33daa85661b7ba3df1f881f259d3751577a972e8c32f2a","abstract_canon_sha256":"e9e5e2d8cc2cf32e6b44f42ce07a985e2c231e17d2f651523b6aaa02c08f20bc"},"schema_version":"1.0"},"canonical_sha256":"906e6bf5fe19206ca0d107eca94f16d46d8f1e65ff08d66a3410892c77ffaaf2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:27:18.369705Z","signature_b64":"9P7kzYOFFp5rguGU0lB1cGwuhQJ0nWTlG6Mrwu1dV6EUTK+DsN7u+YFlX0b/t1HgONddkjgu9+zFCL587QN5BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"906e6bf5fe19206ca0d107eca94f16d46d8f1e65ff08d66a3410892c77ffaaf2","last_reissued_at":"2026-05-18T00:27:18.369269Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:27:18.369269Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1711.00628","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":"2026-05-18T00:27:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HnUha3M6OtCPdCwSVYuU7Uw7nMHJTqTp9AqImkXs6+VpTiBuHywu8BZXxcm8nXZ4l0qzUnfcey0zH7snkcecDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T10:53:45.076661Z"},"content_sha256":"93c72c63be1f4cfd0bdbcdc294599ff10dc1e85cbdb961c6037980f4a549e16f","schema_version":"1.0","event_id":"sha256:93c72c63be1f4cfd0bdbcdc294599ff10dc1e85cbdb961c6037980f4a549e16f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:SBXGX5P6DEQGZIGRA7WKSTYW2R","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Highly reddened type Ia supernova SN 2004ab: another case of anomalous extinction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.HE","authors_text":"D. K. Sahu, G. C. Anupama, N. K. Chakradhari, T.P. Prabhu","submitted_at":"2017-11-02T06:26:57Z","abstract_excerpt":"We present optical photometric and spectroscopic results of supernova SN 2004ab, a highly reddened normal type Ia supernova. The total reddening is estimated as $E(B-V)$ = 1.70 $\\pm$ 0.05 mag. The intrinsic decline rate parameter, $\\Delta m_{15}(B)_\\text{true}$ is 1.27 $\\pm$ 0.05, and $B$-band absolute magnitude at maximum $M_{B}^{\\text{max}}$ is $-$19.31 $\\pm$ 0.25 mag. The host galaxy NGC 5054 is found to exhibit anomalous extinction with very low value of $R_V$ = 1.41 $\\pm$ 0.06 in the direction of SN 2004ab. Peak bolometric luminosity is derived as $\\log L_\\text{bol}^\\text{max}$ = 43.10 $\\"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.00628","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":"2026-05-18T00:27:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CSp/TXYDDJrBOBkjeXqYZejgkiY7XLtcLtW9TCYEiJSiNyHEXMlhhTaSyhJhGaP2yJ5wS97y2508YFsNDa6rDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T10:53:45.077012Z"},"content_sha256":"f532f2ac547dca2525cee23c9ea12426b7e48adaa1ffe5988f6279e4a4e5caa5","schema_version":"1.0","event_id":"sha256:f532f2ac547dca2525cee23c9ea12426b7e48adaa1ffe5988f6279e4a4e5caa5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SBXGX5P6DEQGZIGRA7WKSTYW2R/bundle.json","state_url":"https://pith.science/pith/SBXGX5P6DEQGZIGRA7WKSTYW2R/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SBXGX5P6DEQGZIGRA7WKSTYW2R/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":"2026-05-28T10:53:45Z","links":{"resolver":"https://pith.science/pith/SBXGX5P6DEQGZIGRA7WKSTYW2R","bundle":"https://pith.science/pith/SBXGX5P6DEQGZIGRA7WKSTYW2R/bundle.json","state":"https://pith.science/pith/SBXGX5P6DEQGZIGRA7WKSTYW2R/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SBXGX5P6DEQGZIGRA7WKSTYW2R/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:SBXGX5P6DEQGZIGRA7WKSTYW2R","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":"e9e5e2d8cc2cf32e6b44f42ce07a985e2c231e17d2f651523b6aaa02c08f20bc","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-11-02T06:26:57Z","title_canon_sha256":"b5cd08b12f1d7734ba33daa85661b7ba3df1f881f259d3751577a972e8c32f2a"},"schema_version":"1.0","source":{"id":"1711.00628","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.00628","created_at":"2026-05-18T00:27:18Z"},{"alias_kind":"arxiv_version","alias_value":"1711.00628v1","created_at":"2026-05-18T00:27:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.00628","created_at":"2026-05-18T00:27:18Z"},{"alias_kind":"pith_short_12","alias_value":"SBXGX5P6DEQG","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_16","alias_value":"SBXGX5P6DEQGZIGR","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_8","alias_value":"SBXGX5P6","created_at":"2026-05-18T12:31:43Z"}],"graph_snapshots":[{"event_id":"sha256:f532f2ac547dca2525cee23c9ea12426b7e48adaa1ffe5988f6279e4a4e5caa5","target":"graph","created_at":"2026-05-18T00:27:18Z","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 present optical photometric and spectroscopic results of supernova SN 2004ab, a highly reddened normal type Ia supernova. The total reddening is estimated as $E(B-V)$ = 1.70 $\\pm$ 0.05 mag. The intrinsic decline rate parameter, $\\Delta m_{15}(B)_\\text{true}$ is 1.27 $\\pm$ 0.05, and $B$-band absolute magnitude at maximum $M_{B}^{\\text{max}}$ is $-$19.31 $\\pm$ 0.25 mag. The host galaxy NGC 5054 is found to exhibit anomalous extinction with very low value of $R_V$ = 1.41 $\\pm$ 0.06 in the direction of SN 2004ab. Peak bolometric luminosity is derived as $\\log L_\\text{bol}^\\text{max}$ = 43.10 $\\","authors_text":"D. K. Sahu, G. C. Anupama, N. K. Chakradhari, T.P. Prabhu","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-11-02T06:26:57Z","title":"Highly reddened type Ia supernova SN 2004ab: another case of anomalous extinction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.00628","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":"sha256:93c72c63be1f4cfd0bdbcdc294599ff10dc1e85cbdb961c6037980f4a549e16f","target":"record","created_at":"2026-05-18T00:27:18Z","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":"e9e5e2d8cc2cf32e6b44f42ce07a985e2c231e17d2f651523b6aaa02c08f20bc","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-11-02T06:26:57Z","title_canon_sha256":"b5cd08b12f1d7734ba33daa85661b7ba3df1f881f259d3751577a972e8c32f2a"},"schema_version":"1.0","source":{"id":"1711.00628","kind":"arxiv","version":1}},"canonical_sha256":"906e6bf5fe19206ca0d107eca94f16d46d8f1e65ff08d66a3410892c77ffaaf2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"906e6bf5fe19206ca0d107eca94f16d46d8f1e65ff08d66a3410892c77ffaaf2","first_computed_at":"2026-05-18T00:27:18.369269Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:27:18.369269Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9P7kzYOFFp5rguGU0lB1cGwuhQJ0nWTlG6Mrwu1dV6EUTK+DsN7u+YFlX0b/t1HgONddkjgu9+zFCL587QN5BA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:27:18.369705Z","signed_message":"canonical_sha256_bytes"},"source_id":"1711.00628","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:93c72c63be1f4cfd0bdbcdc294599ff10dc1e85cbdb961c6037980f4a549e16f","sha256:f532f2ac547dca2525cee23c9ea12426b7e48adaa1ffe5988f6279e4a4e5caa5"],"state_sha256":"8748c6a598201e2f8f3b0014fe3510714459487fdf496a231ba8ac8473dc47d1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1bqfEl7game1j2cNncmBSoQguddFPi4NuO3rM9nWPORPIII8DjkNUgXrcG+0LAIyWgMH2XlmC/Ky75HdcC36AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T10:53:45.078999Z","bundle_sha256":"37694b33700de79ad1551b93512cd03fe48dc254f543a65fb04b5ceb79936e89"}}