{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1998:TPEXWDO5HQUEYLGCDC4FSJAZPQ","short_pith_number":"pith:TPEXWDO5","canonical_record":{"source":{"id":"astro-ph/9804170","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1998-04-17T06:01:59Z","cross_cats_sorted":[],"title_canon_sha256":"50bf94af8d3995866ec3acb9ada3bc87c9684c06512682679266360e12d76196","abstract_canon_sha256":"50c7ea685bb2eaa7a9f134e0130f3ed8618a0942a6195a60b99b0c059b9c4d5a"},"schema_version":"1.0"},"canonical_sha256":"9bc97b0ddd3c284c2cc218b85924197c0f0af11007df5d18126b2493af2ea66e","source":{"kind":"arxiv","id":"astro-ph/9804170","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9804170","created_at":"2026-07-04T16:06:19Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9804170v1","created_at":"2026-07-04T16:06:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9804170","created_at":"2026-07-04T16:06:19Z"},{"alias_kind":"pith_short_12","alias_value":"TPEXWDO5HQUE","created_at":"2026-07-04T16:06:19Z"},{"alias_kind":"pith_short_16","alias_value":"TPEXWDO5HQUEYLGC","created_at":"2026-07-04T16:06:19Z"},{"alias_kind":"pith_short_8","alias_value":"TPEXWDO5","created_at":"2026-07-04T16:06:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1998:TPEXWDO5HQUEYLGCDC4FSJAZPQ","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/9804170","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1998-04-17T06:01:59Z","cross_cats_sorted":[],"title_canon_sha256":"50bf94af8d3995866ec3acb9ada3bc87c9684c06512682679266360e12d76196","abstract_canon_sha256":"50c7ea685bb2eaa7a9f134e0130f3ed8618a0942a6195a60b99b0c059b9c4d5a"},"schema_version":"1.0"},"canonical_sha256":"9bc97b0ddd3c284c2cc218b85924197c0f0af11007df5d18126b2493af2ea66e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:06:19.076140Z","signature_b64":"QnbKkogBfO3cJU5fmq9NTLvixlDAw4Ei1yRSZv++svnvjtdWnvXg6qcA1HUohRlUX9aloEn0mFInXzXHgCDrCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9bc97b0ddd3c284c2cc218b85924197c0f0af11007df5d18126b2493af2ea66e","last_reissued_at":"2026-07-04T16:06:19.075609Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:06:19.075609Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/9804170","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":"2026-07-04T16:06:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pVaZ0bFHEhkPRjvgipMghewfM0d97quqaQ0FlYqFs7W5UDjYGhpvai+eWvupwQg7HaGcgsHrJDKsHISWDzy/Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T04:34:05.980146Z"},"content_sha256":"0de37bb33e0d5d96f48a7d066b791604a24bd04865de9923407c1c07986db614","schema_version":"1.0","event_id":"sha256:0de37bb33e0d5d96f48a7d066b791604a24bd04865de9923407c1c07986db614"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1998:TPEXWDO5HQUEYLGCDC4FSJAZPQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Neutrinos and Big-Bang Nucleosynthesis","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"M. ORITO (Natinal Astronomical Observatory Japan), T. Kajino","submitted_at":"1998-04-17T06:01:59Z","abstract_excerpt":"Observations of clusters and super clusters of galaxies have indicated that the Universe is more dominated by baryons than ever estimated in the homogeneous cosmological model for primordial nucleosynthesis. Recent detections of possibly low deuterium abundance in Lyman-$\\alpha$ clouds along the line of sight to high red-shift quasars have raised another potential difficulty that \\he4 is overproduced in any cosmological models which satisfy the low deuterium abundance constraint. We show that the inhomogeneous cosmological model with degenerate electron-neutrino can resolve these two difficult"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9804170","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/astro-ph/9804170/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":"2026-07-04T16:06:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aTNMZcWA3SRbuTvE7q9UAw7hfdH8ctvI8cLBATWgrrzUBDhsJaPjhboMP6ybHMtTr9+6lxD8Dexx0XlnHao3Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T04:34:05.980530Z"},"content_sha256":"3ecdcd9348b4671f7deffc8057372562016e78661dcad71491b5c2cbd952f145","schema_version":"1.0","event_id":"sha256:3ecdcd9348b4671f7deffc8057372562016e78661dcad71491b5c2cbd952f145"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TPEXWDO5HQUEYLGCDC4FSJAZPQ/bundle.json","state_url":"https://pith.science/pith/TPEXWDO5HQUEYLGCDC4FSJAZPQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TPEXWDO5HQUEYLGCDC4FSJAZPQ/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":"2026-07-05T04:34:05Z","links":{"resolver":"https://pith.science/pith/TPEXWDO5HQUEYLGCDC4FSJAZPQ","bundle":"https://pith.science/pith/TPEXWDO5HQUEYLGCDC4FSJAZPQ/bundle.json","state":"https://pith.science/pith/TPEXWDO5HQUEYLGCDC4FSJAZPQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TPEXWDO5HQUEYLGCDC4FSJAZPQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1998:TPEXWDO5HQUEYLGCDC4FSJAZPQ","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":"50c7ea685bb2eaa7a9f134e0130f3ed8618a0942a6195a60b99b0c059b9c4d5a","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1998-04-17T06:01:59Z","title_canon_sha256":"50bf94af8d3995866ec3acb9ada3bc87c9684c06512682679266360e12d76196"},"schema_version":"1.0","source":{"id":"astro-ph/9804170","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9804170","created_at":"2026-07-04T16:06:19Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9804170v1","created_at":"2026-07-04T16:06:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9804170","created_at":"2026-07-04T16:06:19Z"},{"alias_kind":"pith_short_12","alias_value":"TPEXWDO5HQUE","created_at":"2026-07-04T16:06:19Z"},{"alias_kind":"pith_short_16","alias_value":"TPEXWDO5HQUEYLGC","created_at":"2026-07-04T16:06:19Z"},{"alias_kind":"pith_short_8","alias_value":"TPEXWDO5","created_at":"2026-07-04T16:06:19Z"}],"graph_snapshots":[{"event_id":"sha256:3ecdcd9348b4671f7deffc8057372562016e78661dcad71491b5c2cbd952f145","target":"graph","created_at":"2026-07-04T16:06:19Z","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/astro-ph/9804170/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Observations of clusters and super clusters of galaxies have indicated that the Universe is more dominated by baryons than ever estimated in the homogeneous cosmological model for primordial nucleosynthesis. Recent detections of possibly low deuterium abundance in Lyman-$\\alpha$ clouds along the line of sight to high red-shift quasars have raised another potential difficulty that \\he4 is overproduced in any cosmological models which satisfy the low deuterium abundance constraint. We show that the inhomogeneous cosmological model with degenerate electron-neutrino can resolve these two difficult","authors_text":"M. ORITO (Natinal Astronomical Observatory Japan), T. Kajino","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"1998-04-17T06:01:59Z","title":"Neutrinos and Big-Bang Nucleosynthesis"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9804170","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":"sha256:0de37bb33e0d5d96f48a7d066b791604a24bd04865de9923407c1c07986db614","target":"record","created_at":"2026-07-04T16:06:19Z","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":"50c7ea685bb2eaa7a9f134e0130f3ed8618a0942a6195a60b99b0c059b9c4d5a","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1998-04-17T06:01:59Z","title_canon_sha256":"50bf94af8d3995866ec3acb9ada3bc87c9684c06512682679266360e12d76196"},"schema_version":"1.0","source":{"id":"astro-ph/9804170","kind":"arxiv","version":1}},"canonical_sha256":"9bc97b0ddd3c284c2cc218b85924197c0f0af11007df5d18126b2493af2ea66e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9bc97b0ddd3c284c2cc218b85924197c0f0af11007df5d18126b2493af2ea66e","first_computed_at":"2026-07-04T16:06:19.075609Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:06:19.075609Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QnbKkogBfO3cJU5fmq9NTLvixlDAw4Ei1yRSZv++svnvjtdWnvXg6qcA1HUohRlUX9aloEn0mFInXzXHgCDrCQ==","signature_status":"signed_v1","signed_at":"2026-07-04T16:06:19.076140Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/9804170","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0de37bb33e0d5d96f48a7d066b791604a24bd04865de9923407c1c07986db614","sha256:3ecdcd9348b4671f7deffc8057372562016e78661dcad71491b5c2cbd952f145"],"state_sha256":"d353bf73553892dc68c59b478da58ec595d174020ad4b43c61b0438f5579fd9f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6wK92/RZ0tz2NbjhEoPNkv4Q1wad+OQ7bxiKQcyL5dWwAEW+t0kyfMwB1RDKrsEkb8XMk0G2zX8GoSF1QJXNDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T04:34:05.982715Z","bundle_sha256":"3e4cef76398052a5ec492083b70fe69d2537f1669e3985869d38ee9b7add0d77"}}