{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2000:OEGNINDKPGXEE3K4XCHIEKUS5X","short_pith_number":"pith:OEGNINDK","canonical_record":{"source":{"id":"astro-ph/0002184","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2000-02-08T20:21:10Z","cross_cats_sorted":[],"title_canon_sha256":"0bb3a6f5ef4c8025dbd99d706f78170444650e6ef2aafc2f7f799f9c5d9ec796","abstract_canon_sha256":"d55bc7d3ebf34f0c84a5f209a19a258f3446abac200685b26386217122a47782"},"schema_version":"1.0"},"canonical_sha256":"710cd4346a79ae426d5cb88e822a92edfa44970166e8c50c7550a51a338fecc7","source":{"kind":"arxiv","id":"astro-ph/0002184","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0002184","created_at":"2026-07-04T17:25:10Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0002184v1","created_at":"2026-07-04T17:25:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0002184","created_at":"2026-07-04T17:25:10Z"},{"alias_kind":"pith_short_12","alias_value":"OEGNINDKPGXE","created_at":"2026-07-04T17:25:10Z"},{"alias_kind":"pith_short_16","alias_value":"OEGNINDKPGXEE3K4","created_at":"2026-07-04T17:25:10Z"},{"alias_kind":"pith_short_8","alias_value":"OEGNINDK","created_at":"2026-07-04T17:25:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2000:OEGNINDKPGXEE3K4XCHIEKUS5X","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0002184","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2000-02-08T20:21:10Z","cross_cats_sorted":[],"title_canon_sha256":"0bb3a6f5ef4c8025dbd99d706f78170444650e6ef2aafc2f7f799f9c5d9ec796","abstract_canon_sha256":"d55bc7d3ebf34f0c84a5f209a19a258f3446abac200685b26386217122a47782"},"schema_version":"1.0"},"canonical_sha256":"710cd4346a79ae426d5cb88e822a92edfa44970166e8c50c7550a51a338fecc7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:25:10.692977Z","signature_b64":"hwjs2Pj2QwEhavfaiq0SL0mYiW8m/Y5G2eR9gj9hQQXBgK1B5P1DcuwasViZYN1Qq+lNbHBnK3AEGHc3dwCmDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"710cd4346a79ae426d5cb88e822a92edfa44970166e8c50c7550a51a338fecc7","last_reissued_at":"2026-07-04T17:25:10.692447Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:25:10.692447Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0002184","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":"2026-07-04T17:25:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wo3cInVs1apAb60aTIzFJm2gD86PbenK9EtlCjQ5IgeSwqSQ9B3eG9nCzic/qPoIsj97yOBvgs4E4yB+hCj+AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T14:30:08.335880Z"},"content_sha256":"6749dad676a897d25c76a2a2a83b344ae8a79bb95d0c56701e42e3f26d00b996","schema_version":"1.0","event_id":"sha256:6749dad676a897d25c76a2a2a83b344ae8a79bb95d0c56701e42e3f26d00b996"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2000:OEGNINDKPGXEE3K4XCHIEKUS5X","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Extragalactic Results from the Infrared Space Observatory","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"2), (2) Dept. of Physics, (3) CEA Saclay, 4) ((1) MPE, (4) ESO), Catherine J. Cesarsky (3, Reinhard Genzel (1, UC Berkeley","submitted_at":"2000-02-08T20:21:10Z","abstract_excerpt":"More than a decade ago the IRAS satellite opened the realm of external galaxies for studies in the 10 to 100 micron band and discovered emission from tens of thousands of normal and active galaxies. With the 1995-1998 mission of the Infrared Space Observatory the next major steps in extragalactic infrared astronomy became possible: detailed imaging, spectroscopy and spectro-photometry of many galaxies detected by IRAS, as well as deep surveys in the mid- and far- IR. The spectroscopic data reveal a wealth of detail about the nature of the energy source(s) and about the physical conditions in g"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0002184","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/0002184/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":"2026-07-04T17:25:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aFDzVItKX0PcbEdUMy8+oOe3lMatdN1hw2Wk3mCkvUygvTU2TMewE7k/YKLaufwDM0axR0UJHLTARQBYYPHjCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T14:30:08.336914Z"},"content_sha256":"41094c6b2ab6547cf1a1643111af77a97389ee9493259d2275e6acceadba3c6e","schema_version":"1.0","event_id":"sha256:41094c6b2ab6547cf1a1643111af77a97389ee9493259d2275e6acceadba3c6e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OEGNINDKPGXEE3K4XCHIEKUS5X/bundle.json","state_url":"https://pith.science/pith/OEGNINDKPGXEE3K4XCHIEKUS5X/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OEGNINDKPGXEE3K4XCHIEKUS5X/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":"2026-08-04T14:30:08Z","links":{"resolver":"https://pith.science/pith/OEGNINDKPGXEE3K4XCHIEKUS5X","bundle":"https://pith.science/pith/OEGNINDKPGXEE3K4XCHIEKUS5X/bundle.json","state":"https://pith.science/pith/OEGNINDKPGXEE3K4XCHIEKUS5X/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OEGNINDKPGXEE3K4XCHIEKUS5X/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2000:OEGNINDKPGXEE3K4XCHIEKUS5X","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":"d55bc7d3ebf34f0c84a5f209a19a258f3446abac200685b26386217122a47782","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2000-02-08T20:21:10Z","title_canon_sha256":"0bb3a6f5ef4c8025dbd99d706f78170444650e6ef2aafc2f7f799f9c5d9ec796"},"schema_version":"1.0","source":{"id":"astro-ph/0002184","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0002184","created_at":"2026-07-04T17:25:10Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0002184v1","created_at":"2026-07-04T17:25:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0002184","created_at":"2026-07-04T17:25:10Z"},{"alias_kind":"pith_short_12","alias_value":"OEGNINDKPGXE","created_at":"2026-07-04T17:25:10Z"},{"alias_kind":"pith_short_16","alias_value":"OEGNINDKPGXEE3K4","created_at":"2026-07-04T17:25:10Z"},{"alias_kind":"pith_short_8","alias_value":"OEGNINDK","created_at":"2026-07-04T17:25:10Z"}],"graph_snapshots":[{"event_id":"sha256:41094c6b2ab6547cf1a1643111af77a97389ee9493259d2275e6acceadba3c6e","target":"graph","created_at":"2026-07-04T17:25:10Z","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/0002184/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"More than a decade ago the IRAS satellite opened the realm of external galaxies for studies in the 10 to 100 micron band and discovered emission from tens of thousands of normal and active galaxies. With the 1995-1998 mission of the Infrared Space Observatory the next major steps in extragalactic infrared astronomy became possible: detailed imaging, spectroscopy and spectro-photometry of many galaxies detected by IRAS, as well as deep surveys in the mid- and far- IR. The spectroscopic data reveal a wealth of detail about the nature of the energy source(s) and about the physical conditions in g","authors_text":"2), (2) Dept. of Physics, (3) CEA Saclay, 4) ((1) MPE, (4) ESO), Catherine J. Cesarsky (3, Reinhard Genzel (1, UC Berkeley","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2000-02-08T20:21:10Z","title":"Extragalactic Results from the Infrared Space Observatory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0002184","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":"sha256:6749dad676a897d25c76a2a2a83b344ae8a79bb95d0c56701e42e3f26d00b996","target":"record","created_at":"2026-07-04T17:25:10Z","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":"d55bc7d3ebf34f0c84a5f209a19a258f3446abac200685b26386217122a47782","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2000-02-08T20:21:10Z","title_canon_sha256":"0bb3a6f5ef4c8025dbd99d706f78170444650e6ef2aafc2f7f799f9c5d9ec796"},"schema_version":"1.0","source":{"id":"astro-ph/0002184","kind":"arxiv","version":1}},"canonical_sha256":"710cd4346a79ae426d5cb88e822a92edfa44970166e8c50c7550a51a338fecc7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"710cd4346a79ae426d5cb88e822a92edfa44970166e8c50c7550a51a338fecc7","first_computed_at":"2026-07-04T17:25:10.692447Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:25:10.692447Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hwjs2Pj2QwEhavfaiq0SL0mYiW8m/Y5G2eR9gj9hQQXBgK1B5P1DcuwasViZYN1Qq+lNbHBnK3AEGHc3dwCmDA==","signature_status":"signed_v1","signed_at":"2026-07-04T17:25:10.692977Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0002184","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6749dad676a897d25c76a2a2a83b344ae8a79bb95d0c56701e42e3f26d00b996","sha256:41094c6b2ab6547cf1a1643111af77a97389ee9493259d2275e6acceadba3c6e"],"state_sha256":"73f5d39f3b837366b1ed7c640b8a10945ff6877592fbbc496797932b5528aa5f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2R2r4+NruH9ytgq30BpB+juruii5raUud2MO6FIW6O7odeSkZDVEzJwHe+dFJ6u6sdMaWvg8n4ZDtLB1kv6cBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T14:30:08.387558Z","bundle_sha256":"bcf0421fb89a8a3545da146183242dca75fac74e8d638822b4e2c46ee7fe0a64"}}