{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2000:OBZQBHCQRNJ2NLFA3DBD5NZSYK","short_pith_number":"pith:OBZQBHCQ","canonical_record":{"source":{"id":"astro-ph/0005436","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2000-05-22T17:00:39Z","cross_cats_sorted":[],"title_canon_sha256":"89e3ffae347a99bfc8676cb084250188d2c2e3b11744b2ff433dc674e5ccd6ad","abstract_canon_sha256":"e6bd302f1eeb256b3b78cdea55a64474c176369468c3312823789c1ea6179cbe"},"schema_version":"1.0"},"canonical_sha256":"7073009c508b53a6aca0d8c23eb732c2bdfed44df4122ff29d1243287326e163","source":{"kind":"arxiv","id":"astro-ph/0005436","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0005436","created_at":"2026-07-04T14:10:23Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0005436v1","created_at":"2026-07-04T14:10:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0005436","created_at":"2026-07-04T14:10:23Z"},{"alias_kind":"pith_short_12","alias_value":"OBZQBHCQRNJ2","created_at":"2026-07-04T14:10:23Z"},{"alias_kind":"pith_short_16","alias_value":"OBZQBHCQRNJ2NLFA","created_at":"2026-07-04T14:10:23Z"},{"alias_kind":"pith_short_8","alias_value":"OBZQBHCQ","created_at":"2026-07-04T14:10:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2000:OBZQBHCQRNJ2NLFA3DBD5NZSYK","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0005436","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2000-05-22T17:00:39Z","cross_cats_sorted":[],"title_canon_sha256":"89e3ffae347a99bfc8676cb084250188d2c2e3b11744b2ff433dc674e5ccd6ad","abstract_canon_sha256":"e6bd302f1eeb256b3b78cdea55a64474c176369468c3312823789c1ea6179cbe"},"schema_version":"1.0"},"canonical_sha256":"7073009c508b53a6aca0d8c23eb732c2bdfed44df4122ff29d1243287326e163","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:10:23.100880Z","signature_b64":"NjY3snfSX9f3i30e20d/IB+AtKBKJmvknDaPfp6l5dr1ZNBccwxRvD3rJhj945nTtuzs+RAmzT2jAssbYwYuBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7073009c508b53a6aca0d8c23eb732c2bdfed44df4122ff29d1243287326e163","last_reissued_at":"2026-07-04T14:10:23.100453Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:10:23.100453Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0005436","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":"2026-07-04T14:10:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tamWb3vOgGrpMS5mdewcYsR8dh/rgjAHLITrP+kEPQiVC7JXO13GL7O3mB1gCTUMbTidQ8QcUjDcV1/6jT9XBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T15:36:43.023984Z"},"content_sha256":"994a21ffa39cbbf7091bba463bad3a857fe8e4320eb772ac8dc624f6caaea388","schema_version":"1.0","event_id":"sha256:994a21ffa39cbbf7091bba463bad3a857fe8e4320eb772ac8dc624f6caaea388"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2000:OBZQBHCQRNJ2NLFA3DBD5NZSYK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The (anti)correlation of the sub-mm and X-ray background sources","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"P. Severgnini","submitted_at":"2000-05-22T17:00:39Z","abstract_excerpt":"The connection between the sub-mm and the hard X-ray backgrounds is studied by comparing data at 2-10 keV and at 850um for a sample of 34 sources at fluxes (or limiting fluxes) which resolve most of the background in the two bands. These data were obtained with new SCUBA observations and by correlating data sets available from the literature. None of the 11 hard X-ray (2-10 keV) sources has a counterpart at 850um, with the exception of a faint Chandra source, which is a candidate type 2 QSO at high redshift. These data indicate that 2-10 keV sources brighter than 10^-15 erg s-1 cm-2, which mak"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0005436","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/0005436/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":"2026-07-04T14:10:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BBYk26BtidzD0sSw52Alo7SNhe1IQHfhX/H3ROqsBd+GThhYT84ojs+JnA8y9acYYMCo5fixEBKCYngAdEEpCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T15:36:43.024874Z"},"content_sha256":"b0b406ca870b152d6b373bdc372c981e3d4e0c390f38c275edfa69042d3baa68","schema_version":"1.0","event_id":"sha256:b0b406ca870b152d6b373bdc372c981e3d4e0c390f38c275edfa69042d3baa68"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OBZQBHCQRNJ2NLFA3DBD5NZSYK/bundle.json","state_url":"https://pith.science/pith/OBZQBHCQRNJ2NLFA3DBD5NZSYK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OBZQBHCQRNJ2NLFA3DBD5NZSYK/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":"2026-08-05T15:36:43Z","links":{"resolver":"https://pith.science/pith/OBZQBHCQRNJ2NLFA3DBD5NZSYK","bundle":"https://pith.science/pith/OBZQBHCQRNJ2NLFA3DBD5NZSYK/bundle.json","state":"https://pith.science/pith/OBZQBHCQRNJ2NLFA3DBD5NZSYK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OBZQBHCQRNJ2NLFA3DBD5NZSYK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2000:OBZQBHCQRNJ2NLFA3DBD5NZSYK","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":"e6bd302f1eeb256b3b78cdea55a64474c176369468c3312823789c1ea6179cbe","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2000-05-22T17:00:39Z","title_canon_sha256":"89e3ffae347a99bfc8676cb084250188d2c2e3b11744b2ff433dc674e5ccd6ad"},"schema_version":"1.0","source":{"id":"astro-ph/0005436","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0005436","created_at":"2026-07-04T14:10:23Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0005436v1","created_at":"2026-07-04T14:10:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0005436","created_at":"2026-07-04T14:10:23Z"},{"alias_kind":"pith_short_12","alias_value":"OBZQBHCQRNJ2","created_at":"2026-07-04T14:10:23Z"},{"alias_kind":"pith_short_16","alias_value":"OBZQBHCQRNJ2NLFA","created_at":"2026-07-04T14:10:23Z"},{"alias_kind":"pith_short_8","alias_value":"OBZQBHCQ","created_at":"2026-07-04T14:10:23Z"}],"graph_snapshots":[{"event_id":"sha256:b0b406ca870b152d6b373bdc372c981e3d4e0c390f38c275edfa69042d3baa68","target":"graph","created_at":"2026-07-04T14:10:23Z","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/0005436/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The connection between the sub-mm and the hard X-ray backgrounds is studied by comparing data at 2-10 keV and at 850um for a sample of 34 sources at fluxes (or limiting fluxes) which resolve most of the background in the two bands. These data were obtained with new SCUBA observations and by correlating data sets available from the literature. None of the 11 hard X-ray (2-10 keV) sources has a counterpart at 850um, with the exception of a faint Chandra source, which is a candidate type 2 QSO at high redshift. These data indicate that 2-10 keV sources brighter than 10^-15 erg s-1 cm-2, which mak","authors_text":"P. Severgnini","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2000-05-22T17:00:39Z","title":"The (anti)correlation of the sub-mm and X-ray background sources"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0005436","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":"sha256:994a21ffa39cbbf7091bba463bad3a857fe8e4320eb772ac8dc624f6caaea388","target":"record","created_at":"2026-07-04T14:10:23Z","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":"e6bd302f1eeb256b3b78cdea55a64474c176369468c3312823789c1ea6179cbe","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2000-05-22T17:00:39Z","title_canon_sha256":"89e3ffae347a99bfc8676cb084250188d2c2e3b11744b2ff433dc674e5ccd6ad"},"schema_version":"1.0","source":{"id":"astro-ph/0005436","kind":"arxiv","version":1}},"canonical_sha256":"7073009c508b53a6aca0d8c23eb732c2bdfed44df4122ff29d1243287326e163","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7073009c508b53a6aca0d8c23eb732c2bdfed44df4122ff29d1243287326e163","first_computed_at":"2026-07-04T14:10:23.100453Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:10:23.100453Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NjY3snfSX9f3i30e20d/IB+AtKBKJmvknDaPfp6l5dr1ZNBccwxRvD3rJhj945nTtuzs+RAmzT2jAssbYwYuBQ==","signature_status":"signed_v1","signed_at":"2026-07-04T14:10:23.100880Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0005436","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:994a21ffa39cbbf7091bba463bad3a857fe8e4320eb772ac8dc624f6caaea388","sha256:b0b406ca870b152d6b373bdc372c981e3d4e0c390f38c275edfa69042d3baa68"],"state_sha256":"56d9d9ee3c582e5d52d3ef3af050ce3312cd04a292d0ec32690e6da1b201a385"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jdaRZiVtcRvYopPyu5+MyHLhCpHtO2UPTfFUIuVSTDTCEz7w+osk45RUGCEL3veiIeksrS/xuM/Oxe2q/+WHCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T15:36:43.038976Z","bundle_sha256":"fbf32278d9bdfde7bd315acf4c65519b5238ddd40cce2446802605a37c063dee"}}