{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1997:N3YFDUUMWKLKXFX6CXZKIZQ6SO","short_pith_number":"pith:N3YFDUUM","canonical_record":{"source":{"id":"astro-ph/9709243","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1997-09-25T10:15:50Z","cross_cats_sorted":[],"title_canon_sha256":"4f5a8541c8b99f0afbb59968c79aa038a9c581053a0a95aa5cde11704c7e4770","abstract_canon_sha256":"11990c515563fa6cf8974519f3db3295945df229f6a4ca75b74c345e860393d9"},"schema_version":"1.0"},"canonical_sha256":"6ef051d28cb296ab96fe15f2a4661e938a8a6a007abeeed09d5d094c65257db7","source":{"kind":"arxiv","id":"astro-ph/9709243","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9709243","created_at":"2026-05-18T01:07:38Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9709243v2","created_at":"2026-05-18T01:07:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9709243","created_at":"2026-05-18T01:07:38Z"},{"alias_kind":"pith_short_12","alias_value":"N3YFDUUMWKLK","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_16","alias_value":"N3YFDUUMWKLKXFX6","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_8","alias_value":"N3YFDUUM","created_at":"2026-05-18T12:25:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1997:N3YFDUUMWKLKXFX6CXZKIZQ6SO","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/9709243","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1997-09-25T10:15:50Z","cross_cats_sorted":[],"title_canon_sha256":"4f5a8541c8b99f0afbb59968c79aa038a9c581053a0a95aa5cde11704c7e4770","abstract_canon_sha256":"11990c515563fa6cf8974519f3db3295945df229f6a4ca75b74c345e860393d9"},"schema_version":"1.0"},"canonical_sha256":"6ef051d28cb296ab96fe15f2a4661e938a8a6a007abeeed09d5d094c65257db7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:07:38.079481Z","signature_b64":"mBNwV9TywtA1N3sVb26/b/XSBKWa+7nFuxLo6pzkDtb4/UPyu4x9Xvnwa0HsMMy4sxCfL4nQC7laDoQePTSuDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6ef051d28cb296ab96fe15f2a4661e938a8a6a007abeeed09d5d094c65257db7","last_reissued_at":"2026-05-18T01:07:38.078819Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:07:38.078819Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/9709243","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":"2026-05-18T01:07:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QY4FqaHCS7gl2Be169ggupYd1OzEdzZTlEDe1e/r4jeYMTHMhd4YtXTjgXJjfgT5ye4RsddaRt19sB01i9FIBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T20:08:12.304479Z"},"content_sha256":"ff8b358ee9eff451967e66671cdc784cce3db0e0eda35ceeb16c38e9d9d0df65","schema_version":"1.0","event_id":"sha256:ff8b358ee9eff451967e66671cdc784cce3db0e0eda35ceeb16c38e9d9d0df65"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1997:N3YFDUUMWKLKXFX6CXZKIZQ6SO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Updated Parameters for the Decaying Neutrino Theory and EURD Observations of the Diffuse UV Background","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"D.W. Sciama","submitted_at":"1997-09-25T10:15:50Z","abstract_excerpt":"Various recent observational developments are here used to make a more critical analysis of the parameter space of the decaying neutrino theory for the ionisation of the interstellar medium. These developments involve phenomena inside our Galaxy, outside the Galaxy but at essentially zero red shift, and at large red shifts. This new analysis leads to a viable theory with a decay lifetime of $2{\\pm}1\\times 10^{23}$ sec, a decay photon energy of $13.7{\\pm}0.1$ eV, and a mass for the decaying neutrino of $27.4 {\\pm}0.2$ eV.\n  These parameters, when combined with some known astronomical quantities"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9709243","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":"2026-05-18T01:07:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"I5XLKf4Pc0XYKnFLRysk2rCpy2HcsOgBigwpCmXJgpY11IITm7ibdVMwilOvGSco96Gedm+SRWkM2JlChJLMDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T20:08:12.305073Z"},"content_sha256":"3d7d90b0c2b1fdc9af3b883a8a89e9380d5e6a54ed826d32d2f74fc3b630f5f0","schema_version":"1.0","event_id":"sha256:3d7d90b0c2b1fdc9af3b883a8a89e9380d5e6a54ed826d32d2f74fc3b630f5f0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/N3YFDUUMWKLKXFX6CXZKIZQ6SO/bundle.json","state_url":"https://pith.science/pith/N3YFDUUMWKLKXFX6CXZKIZQ6SO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/N3YFDUUMWKLKXFX6CXZKIZQ6SO/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":"2026-05-26T20:08:12Z","links":{"resolver":"https://pith.science/pith/N3YFDUUMWKLKXFX6CXZKIZQ6SO","bundle":"https://pith.science/pith/N3YFDUUMWKLKXFX6CXZKIZQ6SO/bundle.json","state":"https://pith.science/pith/N3YFDUUMWKLKXFX6CXZKIZQ6SO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/N3YFDUUMWKLKXFX6CXZKIZQ6SO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1997:N3YFDUUMWKLKXFX6CXZKIZQ6SO","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":"11990c515563fa6cf8974519f3db3295945df229f6a4ca75b74c345e860393d9","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1997-09-25T10:15:50Z","title_canon_sha256":"4f5a8541c8b99f0afbb59968c79aa038a9c581053a0a95aa5cde11704c7e4770"},"schema_version":"1.0","source":{"id":"astro-ph/9709243","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9709243","created_at":"2026-05-18T01:07:38Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9709243v2","created_at":"2026-05-18T01:07:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9709243","created_at":"2026-05-18T01:07:38Z"},{"alias_kind":"pith_short_12","alias_value":"N3YFDUUMWKLK","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_16","alias_value":"N3YFDUUMWKLKXFX6","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_8","alias_value":"N3YFDUUM","created_at":"2026-05-18T12:25:48Z"}],"graph_snapshots":[{"event_id":"sha256:3d7d90b0c2b1fdc9af3b883a8a89e9380d5e6a54ed826d32d2f74fc3b630f5f0","target":"graph","created_at":"2026-05-18T01:07:38Z","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":"Various recent observational developments are here used to make a more critical analysis of the parameter space of the decaying neutrino theory for the ionisation of the interstellar medium. These developments involve phenomena inside our Galaxy, outside the Galaxy but at essentially zero red shift, and at large red shifts. This new analysis leads to a viable theory with a decay lifetime of $2{\\pm}1\\times 10^{23}$ sec, a decay photon energy of $13.7{\\pm}0.1$ eV, and a mass for the decaying neutrino of $27.4 {\\pm}0.2$ eV.\n  These parameters, when combined with some known astronomical quantities","authors_text":"D.W. Sciama","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"1997-09-25T10:15:50Z","title":"Updated Parameters for the Decaying Neutrino Theory and EURD Observations of the Diffuse UV Background"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9709243","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:ff8b358ee9eff451967e66671cdc784cce3db0e0eda35ceeb16c38e9d9d0df65","target":"record","created_at":"2026-05-18T01:07:38Z","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":"11990c515563fa6cf8974519f3db3295945df229f6a4ca75b74c345e860393d9","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1997-09-25T10:15:50Z","title_canon_sha256":"4f5a8541c8b99f0afbb59968c79aa038a9c581053a0a95aa5cde11704c7e4770"},"schema_version":"1.0","source":{"id":"astro-ph/9709243","kind":"arxiv","version":2}},"canonical_sha256":"6ef051d28cb296ab96fe15f2a4661e938a8a6a007abeeed09d5d094c65257db7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6ef051d28cb296ab96fe15f2a4661e938a8a6a007abeeed09d5d094c65257db7","first_computed_at":"2026-05-18T01:07:38.078819Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:07:38.078819Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mBNwV9TywtA1N3sVb26/b/XSBKWa+7nFuxLo6pzkDtb4/UPyu4x9Xvnwa0HsMMy4sxCfL4nQC7laDoQePTSuDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:07:38.079481Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/9709243","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ff8b358ee9eff451967e66671cdc784cce3db0e0eda35ceeb16c38e9d9d0df65","sha256:3d7d90b0c2b1fdc9af3b883a8a89e9380d5e6a54ed826d32d2f74fc3b630f5f0"],"state_sha256":"c3c8a41d779724f599c4d5d758ce93555ac59bfd6b3fd5382e3e9baad4d23237"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"72TlfuQt51pEh6PJ00WJ7SdPUyClV443nIDLVmeW4aFPdfNh5Vp9H5+2kK8c/7939Ksbj/F1u44uP1jjVabQBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T20:08:12.307380Z","bundle_sha256":"8660dfdfb43085343f1d064a04003fcb2ac3193b6b4d9c927ac032957668f2d1"}}