{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1997:D7UOBLH64U2FDKOSFF3YZQQ5VD","short_pith_number":"pith:D7UOBLH6","canonical_record":{"source":{"id":"astro-ph/9711037","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1997-11-05T01:53:49Z","cross_cats_sorted":[],"title_canon_sha256":"fba8e936536f28818d7e2ee0362b1663cb79298922d4aab67b18c7de80791282","abstract_canon_sha256":"e8eec75c599394fbd20c97664687af935f7ff040e89415a3e8d158bb174ed9e7"},"schema_version":"1.0"},"canonical_sha256":"1fe8e0acfee53451a9d229778cc21da8c3b975f994d30c566b92d6a366a90cb0","source":{"kind":"arxiv","id":"astro-ph/9711037","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9711037","created_at":"2026-05-18T01:07:38Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9711037v1","created_at":"2026-05-18T01:07:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9711037","created_at":"2026-05-18T01:07:38Z"},{"alias_kind":"pith_short_12","alias_value":"D7UOBLH64U2F","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_16","alias_value":"D7UOBLH64U2FDKOS","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_8","alias_value":"D7UOBLH6","created_at":"2026-05-18T12:25:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1997:D7UOBLH64U2FDKOSFF3YZQQ5VD","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/9711037","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1997-11-05T01:53:49Z","cross_cats_sorted":[],"title_canon_sha256":"fba8e936536f28818d7e2ee0362b1663cb79298922d4aab67b18c7de80791282","abstract_canon_sha256":"e8eec75c599394fbd20c97664687af935f7ff040e89415a3e8d158bb174ed9e7"},"schema_version":"1.0"},"canonical_sha256":"1fe8e0acfee53451a9d229778cc21da8c3b975f994d30c566b92d6a366a90cb0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:07:38.001151Z","signature_b64":"mXOMvDsZ+b8qH1tQDso70w9GtJKr85j+pBA5gLjOi1v0sDoWO3IhX6m/8Kx8hGEfmmUInoLx9OZMrpge7JYPDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1fe8e0acfee53451a9d229778cc21da8c3b975f994d30c566b92d6a366a90cb0","last_reissued_at":"2026-05-18T01:07:38.000510Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:07:38.000510Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/9711037","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":"2026-05-18T01:07:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x0mZr+AgbSf19D1K8SCN6Xtfyn3t50Kwy3kC/r3AsQXACTkMJH0R8+bBNxpe/b2T5kmSTZVRne2IJ6YlJ4z8CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T20:10:54.857734Z"},"content_sha256":"7e9521a4ca178ebf539216ca6f43080a58632acc4ae874116bc5234188dba2cc","schema_version":"1.0","event_id":"sha256:7e9521a4ca178ebf539216ca6f43080a58632acc4ae874116bc5234188dba2cc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1997:D7UOBLH64U2FDKOSFF3YZQQ5VD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A statistical study of the spectra of very luminous IRAS galaxies I: Data","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"(2)Department of Physics, (3)Department of Physics, Chinese Academy of Sciences Graduate School), H. Wu(1), Tianjin Normal University, X.Y. Xia(2), Z.G. Deng(3) ((1)Beijing Astronomical Observatory, Z.L. Zou(1)","submitted_at":"1997-11-05T01:53:49Z","abstract_excerpt":"This paper presents the results of spectral observations for the largest complete sample of very luminous IRAS galaxies obtained to date. The sample consists of those 73 objects for which log (L_IR/L_sun) => 11.5 (H0=50 km/s/Mpc, q0=0.5) and mag =< 15.5, and was extracted from the 2 Jy IRAS redshift catalog.\n All the spectra were obtained using 2.16m telescope of Beijing Astronomical Observatory during the years 1994-1996. A total of 123 galaxy spectra were obtained with spectral ranges of 4400A to 7100A and 3500A to 8100A at resolutions of 11.2A and 9.3A respectively. In addition to the 73 sp"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9711037","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":"2026-05-18T01:07:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BRZl+kIvFs6Z1ZDUkgXOwQ2YJaSfefuws1L05UZpVwzHb8OzzPWYDEW0290DV4dcoNXuEJKyq8byM/N116BzDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T20:10:54.858412Z"},"content_sha256":"9ac442ebec6b063023118cff9e1581e3a6c6a10af14891c187984bb58d88f4e9","schema_version":"1.0","event_id":"sha256:9ac442ebec6b063023118cff9e1581e3a6c6a10af14891c187984bb58d88f4e9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/D7UOBLH64U2FDKOSFF3YZQQ5VD/bundle.json","state_url":"https://pith.science/pith/D7UOBLH64U2FDKOSFF3YZQQ5VD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/D7UOBLH64U2FDKOSFF3YZQQ5VD/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":"2026-05-27T20:10:54Z","links":{"resolver":"https://pith.science/pith/D7UOBLH64U2FDKOSFF3YZQQ5VD","bundle":"https://pith.science/pith/D7UOBLH64U2FDKOSFF3YZQQ5VD/bundle.json","state":"https://pith.science/pith/D7UOBLH64U2FDKOSFF3YZQQ5VD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/D7UOBLH64U2FDKOSFF3YZQQ5VD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1997:D7UOBLH64U2FDKOSFF3YZQQ5VD","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":"e8eec75c599394fbd20c97664687af935f7ff040e89415a3e8d158bb174ed9e7","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1997-11-05T01:53:49Z","title_canon_sha256":"fba8e936536f28818d7e2ee0362b1663cb79298922d4aab67b18c7de80791282"},"schema_version":"1.0","source":{"id":"astro-ph/9711037","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9711037","created_at":"2026-05-18T01:07:38Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9711037v1","created_at":"2026-05-18T01:07:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9711037","created_at":"2026-05-18T01:07:38Z"},{"alias_kind":"pith_short_12","alias_value":"D7UOBLH64U2F","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_16","alias_value":"D7UOBLH64U2FDKOS","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_8","alias_value":"D7UOBLH6","created_at":"2026-05-18T12:25:48Z"}],"graph_snapshots":[{"event_id":"sha256:9ac442ebec6b063023118cff9e1581e3a6c6a10af14891c187984bb58d88f4e9","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":"This paper presents the results of spectral observations for the largest complete sample of very luminous IRAS galaxies obtained to date. The sample consists of those 73 objects for which log (L_IR/L_sun) => 11.5 (H0=50 km/s/Mpc, q0=0.5) and mag =< 15.5, and was extracted from the 2 Jy IRAS redshift catalog.\n All the spectra were obtained using 2.16m telescope of Beijing Astronomical Observatory during the years 1994-1996. A total of 123 galaxy spectra were obtained with spectral ranges of 4400A to 7100A and 3500A to 8100A at resolutions of 11.2A and 9.3A respectively. In addition to the 73 sp","authors_text":"(2)Department of Physics, (3)Department of Physics, Chinese Academy of Sciences Graduate School), H. Wu(1), Tianjin Normal University, X.Y. Xia(2), Z.G. Deng(3) ((1)Beijing Astronomical Observatory, Z.L. Zou(1)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"1997-11-05T01:53:49Z","title":"A statistical study of the spectra of very luminous IRAS galaxies I: Data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9711037","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":"sha256:7e9521a4ca178ebf539216ca6f43080a58632acc4ae874116bc5234188dba2cc","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":"e8eec75c599394fbd20c97664687af935f7ff040e89415a3e8d158bb174ed9e7","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1997-11-05T01:53:49Z","title_canon_sha256":"fba8e936536f28818d7e2ee0362b1663cb79298922d4aab67b18c7de80791282"},"schema_version":"1.0","source":{"id":"astro-ph/9711037","kind":"arxiv","version":1}},"canonical_sha256":"1fe8e0acfee53451a9d229778cc21da8c3b975f994d30c566b92d6a366a90cb0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1fe8e0acfee53451a9d229778cc21da8c3b975f994d30c566b92d6a366a90cb0","first_computed_at":"2026-05-18T01:07:38.000510Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:07:38.000510Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mXOMvDsZ+b8qH1tQDso70w9GtJKr85j+pBA5gLjOi1v0sDoWO3IhX6m/8Kx8hGEfmmUInoLx9OZMrpge7JYPDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:07:38.001151Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/9711037","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7e9521a4ca178ebf539216ca6f43080a58632acc4ae874116bc5234188dba2cc","sha256:9ac442ebec6b063023118cff9e1581e3a6c6a10af14891c187984bb58d88f4e9"],"state_sha256":"d22813c7a7db7b062a62901189b2e19fe11bdaae0554c08834a61550334a5281"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PPahc5hEkV9sjpV8JxI45kKG/70XudYNYyBff5AD/n+EMDQI7Y72VsZ9Qk3DWWZ4JsArBgP59ILDdNUg2WLLDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T20:10:54.861739Z","bundle_sha256":"aaf2b565cca54ea0096bb9b4d4ba5dd64b43b164a56b303379e40997292fe6af"}}