{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:IS72JW44GI7OQAYW5GJE4SHOBZ","short_pith_number":"pith:IS72JW44","canonical_record":{"source":{"id":"2507.15609","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-07-21T13:33:34Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"4807a09fc44f2d4b7f81696d9966fba7258ab500a907d6054858f6c5701eb1dd","abstract_canon_sha256":"04ff02197ba7548da79981f2f21891e072e49e14a851e5a7188924975e30fb89"},"schema_version":"1.0"},"canonical_sha256":"44bfa4db9c323ee80316e9924e48ee0e505dd256d1e6bf2cf1c61ff04e5c4b04","source":{"kind":"arxiv","id":"2507.15609","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.15609","created_at":"2026-07-05T11:40:40Z"},{"alias_kind":"arxiv_version","alias_value":"2507.15609v1","created_at":"2026-07-05T11:40:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.15609","created_at":"2026-07-05T11:40:40Z"},{"alias_kind":"pith_short_12","alias_value":"IS72JW44GI7O","created_at":"2026-07-05T11:40:40Z"},{"alias_kind":"pith_short_16","alias_value":"IS72JW44GI7OQAYW","created_at":"2026-07-05T11:40:40Z"},{"alias_kind":"pith_short_8","alias_value":"IS72JW44","created_at":"2026-07-05T11:40:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:IS72JW44GI7OQAYW5GJE4SHOBZ","target":"record","payload":{"canonical_record":{"source":{"id":"2507.15609","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-07-21T13:33:34Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"4807a09fc44f2d4b7f81696d9966fba7258ab500a907d6054858f6c5701eb1dd","abstract_canon_sha256":"04ff02197ba7548da79981f2f21891e072e49e14a851e5a7188924975e30fb89"},"schema_version":"1.0"},"canonical_sha256":"44bfa4db9c323ee80316e9924e48ee0e505dd256d1e6bf2cf1c61ff04e5c4b04","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:40:40.026876Z","signature_b64":"3OxqXJ5H3yCK1v3tbsgBaq+3HLredHcHHO7j5N8ENmqAL063II+/v70OH2OOAR2klLgp8FkAAkzdP9xiKR+mBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"44bfa4db9c323ee80316e9924e48ee0e505dd256d1e6bf2cf1c61ff04e5c4b04","last_reissued_at":"2026-07-05T11:40:40.026402Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:40:40.026402Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2507.15609","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":"2026-07-05T11:40:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/X7O8bEVU+zgyET71xAIMu7Dleqh4cQ4S3h41tjgbAwptmay3TktDC7cPrM2tANgTSJzeTKCPlFjhAS1WkqoAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T18:29:33.633145Z"},"content_sha256":"6ce6eac1a44ff69591ad7b5581c4dce5a73c86bb42d552f503e48907536dc651","schema_version":"1.0","event_id":"sha256:6ce6eac1a44ff69591ad7b5581c4dce5a73c86bb42d552f503e48907536dc651"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:IS72JW44GI7OQAYW5GJE4SHOBZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Common Origin of Normal Type Ia Supernovae Suggested by the Photometric Diversity","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.HE","authors_text":"Andrew J. Connolly, Dezheng Meng, Hisanori Furusawa, Ji-an Jiang, Keiichi Maeda, Ken'ichi Nomoto, Mamoru Doi, Masaomi Tanaka, Naoki Yasuda, Nao Suzuki, Nozomu Tominaga, Peter Yoachim, Satoshi Miyazaki, Saurabh W. Jha, Tinggui Wang, Toshikazu Shigeyama, \\v{Z}eljko Ivezi\\'c, Weiyu Wu, Zelin Xu","submitted_at":"2025-07-21T13:33:34Z","abstract_excerpt":"In recent years, with an increasing number of type Ia supernovae (SNe Ia) discovered soon after their explosions, a non-negligible fraction of SNe Ia with early-excess emissions (EExSNe Ia) have been confirmed. In this letter, we present a total of \\textbf{67} early-phase normal SNe Ia from published papers and ongoing transient survey projects to systematically investigate their photometric behaviors from very early time. We found that EExSNe Ia in our sample have longer rise and brighter peak luminosities compared to those of non-EExSNe Ia. Moreover, EExSNe Ia commonly have ``red-bump\" featu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.15609","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2507.15609/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T11:40:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UnbflIrCVhW1bXcZ5IdAJH84DSOKFwpRI5zNS836C1ES2+EbWukUEJ7ih8Rja6TyGJHoFmmwWO0SJvOmoESLDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T18:29:33.634106Z"},"content_sha256":"cd3da310c324bbefaebe7300d0a7a9c24b5822a216466dc2e7f5b04174722ef5","schema_version":"1.0","event_id":"sha256:cd3da310c324bbefaebe7300d0a7a9c24b5822a216466dc2e7f5b04174722ef5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IS72JW44GI7OQAYW5GJE4SHOBZ/bundle.json","state_url":"https://pith.science/pith/IS72JW44GI7OQAYW5GJE4SHOBZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IS72JW44GI7OQAYW5GJE4SHOBZ/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":"2026-08-07T18:29:33Z","links":{"resolver":"https://pith.science/pith/IS72JW44GI7OQAYW5GJE4SHOBZ","bundle":"https://pith.science/pith/IS72JW44GI7OQAYW5GJE4SHOBZ/bundle.json","state":"https://pith.science/pith/IS72JW44GI7OQAYW5GJE4SHOBZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IS72JW44GI7OQAYW5GJE4SHOBZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:IS72JW44GI7OQAYW5GJE4SHOBZ","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":"04ff02197ba7548da79981f2f21891e072e49e14a851e5a7188924975e30fb89","cross_cats_sorted":["astro-ph.SR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-07-21T13:33:34Z","title_canon_sha256":"4807a09fc44f2d4b7f81696d9966fba7258ab500a907d6054858f6c5701eb1dd"},"schema_version":"1.0","source":{"id":"2507.15609","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.15609","created_at":"2026-07-05T11:40:40Z"},{"alias_kind":"arxiv_version","alias_value":"2507.15609v1","created_at":"2026-07-05T11:40:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.15609","created_at":"2026-07-05T11:40:40Z"},{"alias_kind":"pith_short_12","alias_value":"IS72JW44GI7O","created_at":"2026-07-05T11:40:40Z"},{"alias_kind":"pith_short_16","alias_value":"IS72JW44GI7OQAYW","created_at":"2026-07-05T11:40:40Z"},{"alias_kind":"pith_short_8","alias_value":"IS72JW44","created_at":"2026-07-05T11:40:40Z"}],"graph_snapshots":[{"event_id":"sha256:cd3da310c324bbefaebe7300d0a7a9c24b5822a216466dc2e7f5b04174722ef5","target":"graph","created_at":"2026-07-05T11:40:40Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2507.15609/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In recent years, with an increasing number of type Ia supernovae (SNe Ia) discovered soon after their explosions, a non-negligible fraction of SNe Ia with early-excess emissions (EExSNe Ia) have been confirmed. In this letter, we present a total of \\textbf{67} early-phase normal SNe Ia from published papers and ongoing transient survey projects to systematically investigate their photometric behaviors from very early time. We found that EExSNe Ia in our sample have longer rise and brighter peak luminosities compared to those of non-EExSNe Ia. Moreover, EExSNe Ia commonly have ``red-bump\" featu","authors_text":"Andrew J. Connolly, Dezheng Meng, Hisanori Furusawa, Ji-an Jiang, Keiichi Maeda, Ken'ichi Nomoto, Mamoru Doi, Masaomi Tanaka, Naoki Yasuda, Nao Suzuki, Nozomu Tominaga, Peter Yoachim, Satoshi Miyazaki, Saurabh W. Jha, Tinggui Wang, Toshikazu Shigeyama, \\v{Z}eljko Ivezi\\'c, Weiyu Wu, Zelin Xu","cross_cats":["astro-ph.SR"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-07-21T13:33:34Z","title":"A Common Origin of Normal Type Ia Supernovae Suggested by the Photometric Diversity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.15609","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":"sha256:6ce6eac1a44ff69591ad7b5581c4dce5a73c86bb42d552f503e48907536dc651","target":"record","created_at":"2026-07-05T11:40:40Z","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":"04ff02197ba7548da79981f2f21891e072e49e14a851e5a7188924975e30fb89","cross_cats_sorted":["astro-ph.SR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-07-21T13:33:34Z","title_canon_sha256":"4807a09fc44f2d4b7f81696d9966fba7258ab500a907d6054858f6c5701eb1dd"},"schema_version":"1.0","source":{"id":"2507.15609","kind":"arxiv","version":1}},"canonical_sha256":"44bfa4db9c323ee80316e9924e48ee0e505dd256d1e6bf2cf1c61ff04e5c4b04","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"44bfa4db9c323ee80316e9924e48ee0e505dd256d1e6bf2cf1c61ff04e5c4b04","first_computed_at":"2026-07-05T11:40:40.026402Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:40:40.026402Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3OxqXJ5H3yCK1v3tbsgBaq+3HLredHcHHO7j5N8ENmqAL063II+/v70OH2OOAR2klLgp8FkAAkzdP9xiKR+mBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:40:40.026876Z","signed_message":"canonical_sha256_bytes"},"source_id":"2507.15609","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6ce6eac1a44ff69591ad7b5581c4dce5a73c86bb42d552f503e48907536dc651","sha256:cd3da310c324bbefaebe7300d0a7a9c24b5822a216466dc2e7f5b04174722ef5"],"state_sha256":"18420249ddbbd8a49652b43ed3ac6f053de49a6318a56ae5a7ed31d792a62fa6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eWtuIFRtPk+xS/1ziLOoM8XWEigEgAEPCQymG/F3MkoHeuW9MZsIISuQNUh94jC9vNJHuc/EwC0KoggjoL2GAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T18:29:33.642215Z","bundle_sha256":"d897a506accc331ed521ea9efc8c1bab9cbead415d8c49d6cd9d52a041861904"}}