{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:DI6M26D4E56724P5VQFL7DOSTM","short_pith_number":"pith:DI6M26D4","canonical_record":{"source":{"id":"2512.09971","kind":"arxiv","version":9},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2025-12-10T14:12:03Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"4a6f4f09553f12beb9aa212fdfb368054ad5eb6258bc306a0ef7838e4c1dbb70","abstract_canon_sha256":"f1bd506b55d21e01678bed3f0ed29800fcd703c9a080efb385483de07d7415b6"},"schema_version":"1.0"},"canonical_sha256":"1a3ccd787c277dfd71fdac0abf8dd29b1cfbf356cf4be07d1aeea24fc8c7b599","source":{"kind":"arxiv","id":"2512.09971","version":9},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2512.09971","created_at":"2026-06-05T01:15:18Z"},{"alias_kind":"arxiv_version","alias_value":"2512.09971v9","created_at":"2026-06-05T01:15:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2512.09971","created_at":"2026-06-05T01:15:18Z"},{"alias_kind":"pith_short_12","alias_value":"DI6M26D4E567","created_at":"2026-06-05T01:15:18Z"},{"alias_kind":"pith_short_16","alias_value":"DI6M26D4E56724P5","created_at":"2026-06-05T01:15:18Z"},{"alias_kind":"pith_short_8","alias_value":"DI6M26D4","created_at":"2026-06-05T01:15:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:DI6M26D4E56724P5VQFL7DOSTM","target":"record","payload":{"canonical_record":{"source":{"id":"2512.09971","kind":"arxiv","version":9},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2025-12-10T14:12:03Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"4a6f4f09553f12beb9aa212fdfb368054ad5eb6258bc306a0ef7838e4c1dbb70","abstract_canon_sha256":"f1bd506b55d21e01678bed3f0ed29800fcd703c9a080efb385483de07d7415b6"},"schema_version":"1.0"},"canonical_sha256":"1a3ccd787c277dfd71fdac0abf8dd29b1cfbf356cf4be07d1aeea24fc8c7b599","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-05T01:15:18.389285Z","signature_b64":"/7xbn+XpXoYElTeQztmK5WIZ23u5EylyWvBw7WKZGrSksqxupi+rAlvP8yoS6wdTefrcHeM85OINGMPOjMYnDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1a3ccd787c277dfd71fdac0abf8dd29b1cfbf356cf4be07d1aeea24fc8c7b599","last_reissued_at":"2026-06-05T01:15:18.388765Z","signature_status":"signed_v1","first_computed_at":"2026-06-05T01:15:18.388765Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2512.09971","source_version":9,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-06-05T01:15:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zMfwTCWGpbIEkqhKimZx/CNDjfGQQLSAzGAqv9oaf0nax9ovMvPVaPjdJaVzQBLbVJ66yl1u2MWH0R/KZEZXAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T20:47:19.619091Z"},"content_sha256":"bcfc1a5c65859f1b0fed3a66bd54a5780ef2f441a24e7061bf08be0ffc91d650","schema_version":"1.0","event_id":"sha256:bcfc1a5c65859f1b0fed3a66bd54a5780ef2f441a24e7061bf08be0ffc91d650"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:DI6M26D4E56724P5VQFL7DOSTM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Tachyonic neutrinos: What do the data show?","license":"http://creativecommons.org/licenses/by/4.0/","headline":"SN 1987A neutrino data can yield specific values for the three neutrino masses.","cross_cats":["astro-ph.HE"],"primary_cat":"hep-ph","authors_text":"Robert Ehrlich","submitted_at":"2025-12-10T14:12:03Z","abstract_excerpt":"In 1962 George Sudarshan and colleagues Deshpande and Bilaniuk suggested the possible existence of tachyons, superluminal particles that had $m^2<0.$ Neutrinos, of course, are the only known particles that might be tachyons, and while the values of their three masses are as yet unknown apart from upper limits, an important clue was discovered by Ramanath Cowsik in 1988, who used the neutrino data from supernova 1987A to infer two of the three neutrino masses. However, that result depended on the neutrino emissions from SN 1987A being near-simultaneous, i.e., within a time interval $\\Delta t<1 "},"claims":{"count":4,"items":[{"kind":"strongest_claim","text":"the SN 1987A neutrino data can remarkably yield values for the three neutrino masses, and not merely upper limits","source":"verdict.strongest_claim","status":"machine_extracted","claim_id":"C1","attestation":"unclaimed"},{"kind":"weakest_assumption","text":"the spread in neutrino emission times from SN 1987A data is too great for the method to work (and the related assumption that the one-phase emission model is valid and that Mont Blanc data belongs to the event)","source":"verdict.weakest_assumption","status":"machine_extracted","claim_id":"C2","attestation":"unclaimed"},{"kind":"one_line_summary","text":"SN 1987A neutrino timing data yields explicit values for the three neutrino masses under a single-phase emission model after rejecting three standard assumptions about unrelated signals, mass limits, and emission spread.","source":"verdict.one_line_summary","status":"machine_extracted","claim_id":"C3","attestation":"unclaimed"},{"kind":"headline","text":"SN 1987A neutrino data can yield specific values for the three neutrino masses.","source":"verdict.pith_extraction.headline","status":"machine_extracted","claim_id":"C4","attestation":"unclaimed"}],"snapshot_sha256":"9d88146fee5ea79ab47b98758646a7f68084579278e12d1a77c4942222d969af"},"source":{"id":"2512.09971","kind":"arxiv","version":9},"verdict":{"id":"58bb8d89-bf09-41cf-9722-63d875f1a21a","model_set":{"reader":"grok-4.3"},"created_at":"2026-05-16T23:45:36.479815Z","strongest_claim":"the SN 1987A neutrino data can remarkably yield values for the three neutrino masses, and not merely upper limits","one_line_summary":"SN 1987A neutrino timing data yields explicit values for the three neutrino masses under a single-phase emission model after rejecting three standard assumptions about unrelated signals, mass limits, and emission spread.","pipeline_version":"pith-pipeline@v0.9.0","weakest_assumption":"the spread in neutrino emission times from SN 1987A data is too great for the method to work (and the related assumption that the one-phase emission model is valid and that Mont Blanc data belongs to the event)","pith_extraction_headline":"SN 1987A neutrino data can yield specific values for the three neutrino masses."},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2512.09971/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":2,"snapshot_sha256":"ccb4d4f9e83a90db323b23924b80f480a98bb8029540d57afc26c68d8a36ab44"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":"58bb8d89-bf09-41cf-9722-63d875f1a21a"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-06-05T01:15:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/HGpko9z4r8zUL3UYa3G0bIbomgI7HCK4x4Y7roDviudPiR+nUhCXhzE2y3Ich7c0ZR5rwJjilfoO8BrR0c9AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T20:47:19.619555Z"},"content_sha256":"b7d8143d9b9fc66104cf50f315c4195d29afad845138c27ec37bd02d8c0104f9","schema_version":"1.0","event_id":"sha256:b7d8143d9b9fc66104cf50f315c4195d29afad845138c27ec37bd02d8c0104f9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DI6M26D4E56724P5VQFL7DOSTM/bundle.json","state_url":"https://pith.science/pith/DI6M26D4E56724P5VQFL7DOSTM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DI6M26D4E56724P5VQFL7DOSTM/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":"2026-06-26T20:47:19Z","links":{"resolver":"https://pith.science/pith/DI6M26D4E56724P5VQFL7DOSTM","bundle":"https://pith.science/pith/DI6M26D4E56724P5VQFL7DOSTM/bundle.json","state":"https://pith.science/pith/DI6M26D4E56724P5VQFL7DOSTM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DI6M26D4E56724P5VQFL7DOSTM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:DI6M26D4E56724P5VQFL7DOSTM","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":"f1bd506b55d21e01678bed3f0ed29800fcd703c9a080efb385483de07d7415b6","cross_cats_sorted":["astro-ph.HE"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2025-12-10T14:12:03Z","title_canon_sha256":"4a6f4f09553f12beb9aa212fdfb368054ad5eb6258bc306a0ef7838e4c1dbb70"},"schema_version":"1.0","source":{"id":"2512.09971","kind":"arxiv","version":9}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2512.09971","created_at":"2026-06-05T01:15:18Z"},{"alias_kind":"arxiv_version","alias_value":"2512.09971v9","created_at":"2026-06-05T01:15:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2512.09971","created_at":"2026-06-05T01:15:18Z"},{"alias_kind":"pith_short_12","alias_value":"DI6M26D4E567","created_at":"2026-06-05T01:15:18Z"},{"alias_kind":"pith_short_16","alias_value":"DI6M26D4E56724P5","created_at":"2026-06-05T01:15:18Z"},{"alias_kind":"pith_short_8","alias_value":"DI6M26D4","created_at":"2026-06-05T01:15:18Z"}],"graph_snapshots":[{"event_id":"sha256:b7d8143d9b9fc66104cf50f315c4195d29afad845138c27ec37bd02d8c0104f9","target":"graph","created_at":"2026-06-05T01:15:18Z","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":4,"items":[{"attestation":"unclaimed","claim_id":"C1","kind":"strongest_claim","source":"verdict.strongest_claim","status":"machine_extracted","text":"the SN 1987A neutrino data can remarkably yield values for the three neutrino masses, and not merely upper limits"},{"attestation":"unclaimed","claim_id":"C2","kind":"weakest_assumption","source":"verdict.weakest_assumption","status":"machine_extracted","text":"the spread in neutrino emission times from SN 1987A data is too great for the method to work (and the related assumption that the one-phase emission model is valid and that Mont Blanc data belongs to the event)"},{"attestation":"unclaimed","claim_id":"C3","kind":"one_line_summary","source":"verdict.one_line_summary","status":"machine_extracted","text":"SN 1987A neutrino timing data yields explicit values for the three neutrino masses under a single-phase emission model after rejecting three standard assumptions about unrelated signals, mass limits, and emission spread."},{"attestation":"unclaimed","claim_id":"C4","kind":"headline","source":"verdict.pith_extraction.headline","status":"machine_extracted","text":"SN 1987A neutrino data can yield specific values for the three neutrino masses."}],"snapshot_sha256":"9d88146fee5ea79ab47b98758646a7f68084579278e12d1a77c4942222d969af"},"formal_canon":{"evidence_count":2,"snapshot_sha256":"ccb4d4f9e83a90db323b23924b80f480a98bb8029540d57afc26c68d8a36ab44"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2512.09971/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In 1962 George Sudarshan and colleagues Deshpande and Bilaniuk suggested the possible existence of tachyons, superluminal particles that had $m^2<0.$ Neutrinos, of course, are the only known particles that might be tachyons, and while the values of their three masses are as yet unknown apart from upper limits, an important clue was discovered by Ramanath Cowsik in 1988, who used the neutrino data from supernova 1987A to infer two of the three neutrino masses. However, that result depended on the neutrino emissions from SN 1987A being near-simultaneous, i.e., within a time interval $\\Delta t<1 ","authors_text":"Robert Ehrlich","cross_cats":["astro-ph.HE"],"headline":"SN 1987A neutrino data can yield specific values for the three neutrino masses.","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2025-12-10T14:12:03Z","title":"Tachyonic neutrinos: What do the data show?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2512.09971","kind":"arxiv","version":9},"verdict":{"created_at":"2026-05-16T23:45:36.479815Z","id":"58bb8d89-bf09-41cf-9722-63d875f1a21a","model_set":{"reader":"grok-4.3"},"one_line_summary":"SN 1987A neutrino timing data yields explicit values for the three neutrino masses under a single-phase emission model after rejecting three standard assumptions about unrelated signals, mass limits, and emission spread.","pipeline_version":"pith-pipeline@v0.9.0","pith_extraction_headline":"SN 1987A neutrino data can yield specific values for the three neutrino masses.","strongest_claim":"the SN 1987A neutrino data can remarkably yield values for the three neutrino masses, and not merely upper limits","weakest_assumption":"the spread in neutrino emission times from SN 1987A data is too great for the method to work (and the related assumption that the one-phase emission model is valid and that Mont Blanc data belongs to the event)"}},"verdict_id":"58bb8d89-bf09-41cf-9722-63d875f1a21a"}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:bcfc1a5c65859f1b0fed3a66bd54a5780ef2f441a24e7061bf08be0ffc91d650","target":"record","created_at":"2026-06-05T01:15:18Z","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":"f1bd506b55d21e01678bed3f0ed29800fcd703c9a080efb385483de07d7415b6","cross_cats_sorted":["astro-ph.HE"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2025-12-10T14:12:03Z","title_canon_sha256":"4a6f4f09553f12beb9aa212fdfb368054ad5eb6258bc306a0ef7838e4c1dbb70"},"schema_version":"1.0","source":{"id":"2512.09971","kind":"arxiv","version":9}},"canonical_sha256":"1a3ccd787c277dfd71fdac0abf8dd29b1cfbf356cf4be07d1aeea24fc8c7b599","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1a3ccd787c277dfd71fdac0abf8dd29b1cfbf356cf4be07d1aeea24fc8c7b599","first_computed_at":"2026-06-05T01:15:18.388765Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-05T01:15:18.388765Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/7xbn+XpXoYElTeQztmK5WIZ23u5EylyWvBw7WKZGrSksqxupi+rAlvP8yoS6wdTefrcHeM85OINGMPOjMYnDg==","signature_status":"signed_v1","signed_at":"2026-06-05T01:15:18.389285Z","signed_message":"canonical_sha256_bytes"},"source_id":"2512.09971","source_kind":"arxiv","source_version":9}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bcfc1a5c65859f1b0fed3a66bd54a5780ef2f441a24e7061bf08be0ffc91d650","sha256:b7d8143d9b9fc66104cf50f315c4195d29afad845138c27ec37bd02d8c0104f9"],"state_sha256":"47d6a54c0db54bfddea1c71453f89bb847c25fda2b79fdf87219df7f9d1cc3ed"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/iKi0YHAm4FqeTHcY3ZRupueQzkXINRbTO3GH9uEZN1Y6V9/bamdbYf1d9Ou7BbG6mhm6cc2yvOGa7E26OzTBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-26T20:47:19.621649Z","bundle_sha256":"bc78f1e59f07a37ec1e696212556c036b271305c20177bce56e8ad6d4234dd7a"}}