{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:2NGXYIRI5GOX5CIWG6D4LM4HS7","short_pith_number":"pith:2NGXYIRI","canonical_record":{"source":{"id":"astro-ph/0310266","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-10-09T17:30:53Z","cross_cats_sorted":[],"title_canon_sha256":"d766046b5d40f9ab558fe628a31324cbb2da37e2890634f6c06602a1b3b6ea5f","abstract_canon_sha256":"fc984ae42e74a80aabe918d7ebb58c6a4d5531b7f28913807588842f1cf70c0b"},"schema_version":"1.0"},"canonical_sha256":"d34d7c2228e99d7e89163787c5b38797d94bcac59712ae5522af058b97be6a2c","source":{"kind":"arxiv","id":"astro-ph/0310266","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0310266","created_at":"2026-05-18T04:22:32Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0310266v1","created_at":"2026-05-18T04:22:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0310266","created_at":"2026-05-18T04:22:32Z"},{"alias_kind":"pith_short_12","alias_value":"2NGXYIRI5GOX","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_16","alias_value":"2NGXYIRI5GOX5CIW","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_8","alias_value":"2NGXYIRI","created_at":"2026-05-18T12:25:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:2NGXYIRI5GOX5CIWG6D4LM4HS7","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0310266","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-10-09T17:30:53Z","cross_cats_sorted":[],"title_canon_sha256":"d766046b5d40f9ab558fe628a31324cbb2da37e2890634f6c06602a1b3b6ea5f","abstract_canon_sha256":"fc984ae42e74a80aabe918d7ebb58c6a4d5531b7f28913807588842f1cf70c0b"},"schema_version":"1.0"},"canonical_sha256":"d34d7c2228e99d7e89163787c5b38797d94bcac59712ae5522af058b97be6a2c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:22:32.365712Z","signature_b64":"0tGQG/h80lJQhykmfVZvfoCv7Y5mXR9xYYie41qbweBNxnBcVLteU5DnugJXZY17O26XZYGWd5KvlFZbxuvFDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d34d7c2228e99d7e89163787c5b38797d94bcac59712ae5522af058b97be6a2c","last_reissued_at":"2026-05-18T04:22:32.365206Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:22:32.365206Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0310266","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":"2026-05-18T04:22:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UcV5Y2srS9QvyQBQhK5CUi4Tqgi1pYAgGUYid1bTnyxkWz7wGgG96Pm22tkleSyAhBG1mlhGUkdr/oQv95yPBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T23:16:53.919145Z"},"content_sha256":"b1ec892d37e0216c2cd5c673fb989b0bbe78328c55e8e876b6a0fa3e5f228932","schema_version":"1.0","event_id":"sha256:b1ec892d37e0216c2cd5c673fb989b0bbe78328c55e8e876b6a0fa3e5f228932"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:2NGXYIRI5GOX5CIWG6D4LM4HS7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Far Infrared mapping of NGC 891","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"(2) University of Crete, (3) NASA/IPAC Extragalactic Database, 4) ((1) MPIK Heidelberg, (4) Carnegie Observatories, Barry F. Madore (3, Cristina C. Popescu (1), Heraklion, Nikolaos D. Kylafis (2), Pasadena), Richard. J. Tuffs (1)","submitted_at":"2003-10-09T17:30:53Z","abstract_excerpt":"We present deep maps of dust emission from the edge-on spiral galaxy NGC 891, obtained with the ISOPHOT instrument on board the Infrared Space Observatory in broad band filters with reference wavelengths centered on 170 and 200 micron. Using new processing methods to remove the effects of detector transients from the data, we detect cold dust at high dynamic range. The observed surface brightness distribution and colour profile of the far-infrared (FIR) emission are found to be in good agreement with predictions for their counterparts derived from the model of Popescu et al. (2000a). Thus, NGC"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0310266","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":"2026-05-18T04:22:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xIsrSx9UrNLQ65vbxjhNXkfMT/Ju014j4FibmsphDJy4PeLZtwg95yKkcg09O+0M6K0dXSxMVyJ549YDb2JaBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T23:16:53.919713Z"},"content_sha256":"1358d4002a2540b8e39a9988897c174360cb6d142f17e5a1f328221b35fbaf88","schema_version":"1.0","event_id":"sha256:1358d4002a2540b8e39a9988897c174360cb6d142f17e5a1f328221b35fbaf88"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2NGXYIRI5GOX5CIWG6D4LM4HS7/bundle.json","state_url":"https://pith.science/pith/2NGXYIRI5GOX5CIWG6D4LM4HS7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2NGXYIRI5GOX5CIWG6D4LM4HS7/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":"2026-05-18T23:16:53Z","links":{"resolver":"https://pith.science/pith/2NGXYIRI5GOX5CIWG6D4LM4HS7","bundle":"https://pith.science/pith/2NGXYIRI5GOX5CIWG6D4LM4HS7/bundle.json","state":"https://pith.science/pith/2NGXYIRI5GOX5CIWG6D4LM4HS7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2NGXYIRI5GOX5CIWG6D4LM4HS7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:2NGXYIRI5GOX5CIWG6D4LM4HS7","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":"fc984ae42e74a80aabe918d7ebb58c6a4d5531b7f28913807588842f1cf70c0b","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-10-09T17:30:53Z","title_canon_sha256":"d766046b5d40f9ab558fe628a31324cbb2da37e2890634f6c06602a1b3b6ea5f"},"schema_version":"1.0","source":{"id":"astro-ph/0310266","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0310266","created_at":"2026-05-18T04:22:32Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0310266v1","created_at":"2026-05-18T04:22:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0310266","created_at":"2026-05-18T04:22:32Z"},{"alias_kind":"pith_short_12","alias_value":"2NGXYIRI5GOX","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_16","alias_value":"2NGXYIRI5GOX5CIW","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_8","alias_value":"2NGXYIRI","created_at":"2026-05-18T12:25:51Z"}],"graph_snapshots":[{"event_id":"sha256:1358d4002a2540b8e39a9988897c174360cb6d142f17e5a1f328221b35fbaf88","target":"graph","created_at":"2026-05-18T04:22:32Z","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":"We present deep maps of dust emission from the edge-on spiral galaxy NGC 891, obtained with the ISOPHOT instrument on board the Infrared Space Observatory in broad band filters with reference wavelengths centered on 170 and 200 micron. Using new processing methods to remove the effects of detector transients from the data, we detect cold dust at high dynamic range. The observed surface brightness distribution and colour profile of the far-infrared (FIR) emission are found to be in good agreement with predictions for their counterparts derived from the model of Popescu et al. (2000a). Thus, NGC","authors_text":"(2) University of Crete, (3) NASA/IPAC Extragalactic Database, 4) ((1) MPIK Heidelberg, (4) Carnegie Observatories, Barry F. Madore (3, Cristina C. Popescu (1), Heraklion, Nikolaos D. Kylafis (2), Pasadena), Richard. J. Tuffs (1)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2003-10-09T17:30:53Z","title":"Far Infrared mapping of NGC 891"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0310266","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:b1ec892d37e0216c2cd5c673fb989b0bbe78328c55e8e876b6a0fa3e5f228932","target":"record","created_at":"2026-05-18T04:22:32Z","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":"fc984ae42e74a80aabe918d7ebb58c6a4d5531b7f28913807588842f1cf70c0b","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-10-09T17:30:53Z","title_canon_sha256":"d766046b5d40f9ab558fe628a31324cbb2da37e2890634f6c06602a1b3b6ea5f"},"schema_version":"1.0","source":{"id":"astro-ph/0310266","kind":"arxiv","version":1}},"canonical_sha256":"d34d7c2228e99d7e89163787c5b38797d94bcac59712ae5522af058b97be6a2c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d34d7c2228e99d7e89163787c5b38797d94bcac59712ae5522af058b97be6a2c","first_computed_at":"2026-05-18T04:22:32.365206Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:22:32.365206Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0tGQG/h80lJQhykmfVZvfoCv7Y5mXR9xYYie41qbweBNxnBcVLteU5DnugJXZY17O26XZYGWd5KvlFZbxuvFDw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:22:32.365712Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0310266","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b1ec892d37e0216c2cd5c673fb989b0bbe78328c55e8e876b6a0fa3e5f228932","sha256:1358d4002a2540b8e39a9988897c174360cb6d142f17e5a1f328221b35fbaf88"],"state_sha256":"f406ccf7e9a18b9fecd0906b5be88724765ad085c1b4a06833d267f1ae928ede"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZIEbpTiS1GOZTfkWB79Qi4gNDuz06VZ/Wa7dBrHlYWCOw5TZs9Sy/2hKWZg1/9+4rv7/6hNqZL0O1LMlwJneBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-18T23:16:53.921541Z","bundle_sha256":"51de09fe57f8e62af2a50cb4e579cc682e03b4ef631e2fad8ad10b57defae8e0"}}