{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:5SA5LHEKUS3PK7SVH6O73BFZYN","short_pith_number":"pith:5SA5LHEK","canonical_record":{"source":{"id":"astro-ph/0701239","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-01-09T18:36:22Z","cross_cats_sorted":[],"title_canon_sha256":"84019fef645cf24a0cda1e945288ab7c852a807f82467c7320e8a7d4c41b2d12","abstract_canon_sha256":"1cfbb1699e72c30e994d9aa930dab5ad22923efa46a7504b397f9c8918e5299c"},"schema_version":"1.0"},"canonical_sha256":"ec81d59c8aa4b6f57e553f9dfd84b9c34e1e9db0b3ce6197d0de4f6538f49701","source":{"kind":"arxiv","id":"astro-ph/0701239","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0701239","created_at":"2026-05-18T04:29:14Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0701239v2","created_at":"2026-05-18T04:29:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0701239","created_at":"2026-05-18T04:29:14Z"},{"alias_kind":"pith_short_12","alias_value":"5SA5LHEKUS3P","created_at":"2026-05-18T12:25:55Z"},{"alias_kind":"pith_short_16","alias_value":"5SA5LHEKUS3PK7SV","created_at":"2026-05-18T12:25:55Z"},{"alias_kind":"pith_short_8","alias_value":"5SA5LHEK","created_at":"2026-05-18T12:25:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:5SA5LHEKUS3PK7SVH6O73BFZYN","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0701239","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-01-09T18:36:22Z","cross_cats_sorted":[],"title_canon_sha256":"84019fef645cf24a0cda1e945288ab7c852a807f82467c7320e8a7d4c41b2d12","abstract_canon_sha256":"1cfbb1699e72c30e994d9aa930dab5ad22923efa46a7504b397f9c8918e5299c"},"schema_version":"1.0"},"canonical_sha256":"ec81d59c8aa4b6f57e553f9dfd84b9c34e1e9db0b3ce6197d0de4f6538f49701","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:29:14.296521Z","signature_b64":"WkydI4VpYlREL1onR8L/sde5Qlz0jfk+TXyyvuA3Ub9s6PwqRqBrNtc8sB4TxWhr1c4bKA8cHa35tid1C4vJAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ec81d59c8aa4b6f57e553f9dfd84b9c34e1e9db0b3ce6197d0de4f6538f49701","last_reissued_at":"2026-05-18T04:29:14.295783Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:29:14.295783Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0701239","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":"2026-05-18T04:29:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z6WoIKtU7aBgFk6wRuKod4aGVQteyMkMV1O7ExnMDig+1CczbIgrpSusDEoxZEf+Ut1OGyc+EGn0ypnVWjijCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:02:41.877381Z"},"content_sha256":"91e753ca855bf6435965f9599561f49931c6768c445747f4cd0d7351b45f9979","schema_version":"1.0","event_id":"sha256:91e753ca855bf6435965f9599561f49931c6768c445747f4cd0d7351b45f9979"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:5SA5LHEKUS3PK7SVH6O73BFZYN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Environment of Local Ultraluminous Infrared Galaxies","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"B. A. Zauderer, H. K. C. Yee, S. Veilleux","submitted_at":"2007-01-09T18:36:22Z","abstract_excerpt":"The spatial cluster-galaxy correlation amplitude, Bgc, is computed for a set of 76 (z < 0.3) ultraluminous infrared galaxies (ULIRGs) from the 1-Jy sample. The Bgc parameter is used to quantify the richness of the environment within 0.5 Mpc of each ULIRG. We find that the environment of local ULIRGs is similar to that of the field with the possible exceptions of a few objects with environmental densities typical of clusters with Abell richness classes 0 and 1. No obvious trends are seen with redshift, optical spectral type, infrared luminosity, or infrared color. We compare these results with "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0701239","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":"2026-05-18T04:29:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P6PBiu8FLD0MetxrxFBIVVC/uCINF0vL3X1Zp4zvuwINjIYn6gDhaDq1O3G8Fy6emNC/sHO+eOgc+YRZEO8ICw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:02:41.878082Z"},"content_sha256":"72c6416f14717eaa7400a0729456a43a5ea47d8abcca44727cecb6b939bb1855","schema_version":"1.0","event_id":"sha256:72c6416f14717eaa7400a0729456a43a5ea47d8abcca44727cecb6b939bb1855"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5SA5LHEKUS3PK7SVH6O73BFZYN/bundle.json","state_url":"https://pith.science/pith/5SA5LHEKUS3PK7SVH6O73BFZYN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5SA5LHEKUS3PK7SVH6O73BFZYN/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":"2026-05-25T18:02:41Z","links":{"resolver":"https://pith.science/pith/5SA5LHEKUS3PK7SVH6O73BFZYN","bundle":"https://pith.science/pith/5SA5LHEKUS3PK7SVH6O73BFZYN/bundle.json","state":"https://pith.science/pith/5SA5LHEKUS3PK7SVH6O73BFZYN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5SA5LHEKUS3PK7SVH6O73BFZYN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:5SA5LHEKUS3PK7SVH6O73BFZYN","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":"1cfbb1699e72c30e994d9aa930dab5ad22923efa46a7504b397f9c8918e5299c","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-01-09T18:36:22Z","title_canon_sha256":"84019fef645cf24a0cda1e945288ab7c852a807f82467c7320e8a7d4c41b2d12"},"schema_version":"1.0","source":{"id":"astro-ph/0701239","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0701239","created_at":"2026-05-18T04:29:14Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0701239v2","created_at":"2026-05-18T04:29:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0701239","created_at":"2026-05-18T04:29:14Z"},{"alias_kind":"pith_short_12","alias_value":"5SA5LHEKUS3P","created_at":"2026-05-18T12:25:55Z"},{"alias_kind":"pith_short_16","alias_value":"5SA5LHEKUS3PK7SV","created_at":"2026-05-18T12:25:55Z"},{"alias_kind":"pith_short_8","alias_value":"5SA5LHEK","created_at":"2026-05-18T12:25:55Z"}],"graph_snapshots":[{"event_id":"sha256:72c6416f14717eaa7400a0729456a43a5ea47d8abcca44727cecb6b939bb1855","target":"graph","created_at":"2026-05-18T04:29:14Z","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":"The spatial cluster-galaxy correlation amplitude, Bgc, is computed for a set of 76 (z < 0.3) ultraluminous infrared galaxies (ULIRGs) from the 1-Jy sample. The Bgc parameter is used to quantify the richness of the environment within 0.5 Mpc of each ULIRG. We find that the environment of local ULIRGs is similar to that of the field with the possible exceptions of a few objects with environmental densities typical of clusters with Abell richness classes 0 and 1. No obvious trends are seen with redshift, optical spectral type, infrared luminosity, or infrared color. We compare these results with ","authors_text":"B. A. Zauderer, H. K. C. Yee, S. Veilleux","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2007-01-09T18:36:22Z","title":"The Environment of Local Ultraluminous Infrared Galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0701239","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":"sha256:91e753ca855bf6435965f9599561f49931c6768c445747f4cd0d7351b45f9979","target":"record","created_at":"2026-05-18T04:29:14Z","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":"1cfbb1699e72c30e994d9aa930dab5ad22923efa46a7504b397f9c8918e5299c","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-01-09T18:36:22Z","title_canon_sha256":"84019fef645cf24a0cda1e945288ab7c852a807f82467c7320e8a7d4c41b2d12"},"schema_version":"1.0","source":{"id":"astro-ph/0701239","kind":"arxiv","version":2}},"canonical_sha256":"ec81d59c8aa4b6f57e553f9dfd84b9c34e1e9db0b3ce6197d0de4f6538f49701","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ec81d59c8aa4b6f57e553f9dfd84b9c34e1e9db0b3ce6197d0de4f6538f49701","first_computed_at":"2026-05-18T04:29:14.295783Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:29:14.295783Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WkydI4VpYlREL1onR8L/sde5Qlz0jfk+TXyyvuA3Ub9s6PwqRqBrNtc8sB4TxWhr1c4bKA8cHa35tid1C4vJAw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:29:14.296521Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0701239","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:91e753ca855bf6435965f9599561f49931c6768c445747f4cd0d7351b45f9979","sha256:72c6416f14717eaa7400a0729456a43a5ea47d8abcca44727cecb6b939bb1855"],"state_sha256":"ea251c3a8aa02b0268bf4ddb84556242a7944874ddb5581a5d0309feb49dee2b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CpTZw3yqMyVpmzBOf+D4W7ajPu2uLLqqPZg7uDHM3NeTKtY9heFpy2HT/ncdRPOxI2CRdiL7kC5mtWcGZTuuDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T18:02:41.881688Z","bundle_sha256":"4fff3aa295d72b1835345d75273ebb1c7919910220da50158e4dd2d42927106b"}}