{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1995:M4GPOH27NMS5OYZMBFFU6DU5KP","short_pith_number":"pith:M4GPOH27","canonical_record":{"source":{"id":"astro-ph/9509013","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1995-09-04T15:11:42Z","cross_cats_sorted":[],"title_canon_sha256":"8b6226b54a26ac8768b7534be9eafcab99ae426021a6581bfaa28e98592d1882","abstract_canon_sha256":"1cd436d7cf12d39b61c8d9653540b53e0b7111164717bc347c7894aae74c68b9"},"schema_version":"1.0"},"canonical_sha256":"670cf71f5f6b25d7632c094b4f0e9d53ef6c18214984a5df787da259ae9e48ef","source":{"kind":"arxiv","id":"astro-ph/9509013","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9509013","created_at":"2026-05-18T01:40:22Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9509013v1","created_at":"2026-05-18T01:40:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9509013","created_at":"2026-05-18T01:40:22Z"},{"alias_kind":"pith_short_12","alias_value":"M4GPOH27NMS5","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"M4GPOH27NMS5OYZM","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"M4GPOH27","created_at":"2026-05-18T12:25:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1995:M4GPOH27NMS5OYZMBFFU6DU5KP","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/9509013","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1995-09-04T15:11:42Z","cross_cats_sorted":[],"title_canon_sha256":"8b6226b54a26ac8768b7534be9eafcab99ae426021a6581bfaa28e98592d1882","abstract_canon_sha256":"1cd436d7cf12d39b61c8d9653540b53e0b7111164717bc347c7894aae74c68b9"},"schema_version":"1.0"},"canonical_sha256":"670cf71f5f6b25d7632c094b4f0e9d53ef6c18214984a5df787da259ae9e48ef","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:40:22.790786Z","signature_b64":"R580CvkJ8Wujh0qZnk2QV9qTm9Vi+o1j/BPv59Xv+b5AGzWxp71mk3nZ938ORyYVjETRd4vdhm7GSm9KYPheAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"670cf71f5f6b25d7632c094b4f0e9d53ef6c18214984a5df787da259ae9e48ef","last_reissued_at":"2026-05-18T01:40:22.790090Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:40:22.790090Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/9509013","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":"2026-05-18T01:40:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HTHDcrt/1KdbMkXVKnAqgAjqZgsu7TiKYkvP8TkxftOa89nKZvLc9Z7Jk8Meqc+AIxqVOsVQM6QGj64OY+kZBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T06:23:43.777749Z"},"content_sha256":"9cc1197bea9fe9270d0aa69b9eea1aa0fb6874e548146985ab42a78c38f38532","schema_version":"1.0","event_id":"sha256:9cc1197bea9fe9270d0aa69b9eea1aa0fb6874e548146985ab42a78c38f38532"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1995:M4GPOH27NMS5OYZMBFFU6DU5KP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Faint Blue Galaxies as a Probe of the X-ray Background at High Redshift","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"M.A. Treyer, O. Lahav","submitted_at":"1995-09-04T15:11:42Z","abstract_excerpt":"We present a formalism describing the physical content of cross-correlation functions between a diffuse background and a population of discrete sources. The formalism is used to interpret cross-correlation signals between the unresolved X-ray background and a galaxy population resolved to high redshift in another spectral band. Specifically, we apply it to the so-called faint blue galaxy population and constrain their X-ray emissivity and clustering properties. A model is presented which satisfies the recently measured constraints on all 3 correlation functions (galaxy/galaxy, background/backg"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9509013","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":"2026-05-18T01:40:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4RKep8BGSS9xRyHnDfprPmUQmeLKIRuIA3SGCxjgZklw4YrFBCdbKnfi8uTel7pbJXIHqIW1TCn8jClqw/tZDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T06:23:43.778098Z"},"content_sha256":"78ec100c7fd1fe6212d671474158fe7061ba62e1e8488016cdd78f2687688df9","schema_version":"1.0","event_id":"sha256:78ec100c7fd1fe6212d671474158fe7061ba62e1e8488016cdd78f2687688df9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/M4GPOH27NMS5OYZMBFFU6DU5KP/bundle.json","state_url":"https://pith.science/pith/M4GPOH27NMS5OYZMBFFU6DU5KP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/M4GPOH27NMS5OYZMBFFU6DU5KP/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":"2026-06-12T06:23:43Z","links":{"resolver":"https://pith.science/pith/M4GPOH27NMS5OYZMBFFU6DU5KP","bundle":"https://pith.science/pith/M4GPOH27NMS5OYZMBFFU6DU5KP/bundle.json","state":"https://pith.science/pith/M4GPOH27NMS5OYZMBFFU6DU5KP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/M4GPOH27NMS5OYZMBFFU6DU5KP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1995:M4GPOH27NMS5OYZMBFFU6DU5KP","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":"1cd436d7cf12d39b61c8d9653540b53e0b7111164717bc347c7894aae74c68b9","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1995-09-04T15:11:42Z","title_canon_sha256":"8b6226b54a26ac8768b7534be9eafcab99ae426021a6581bfaa28e98592d1882"},"schema_version":"1.0","source":{"id":"astro-ph/9509013","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9509013","created_at":"2026-05-18T01:40:22Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9509013v1","created_at":"2026-05-18T01:40:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9509013","created_at":"2026-05-18T01:40:22Z"},{"alias_kind":"pith_short_12","alias_value":"M4GPOH27NMS5","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"M4GPOH27NMS5OYZM","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"M4GPOH27","created_at":"2026-05-18T12:25:47Z"}],"graph_snapshots":[{"event_id":"sha256:78ec100c7fd1fe6212d671474158fe7061ba62e1e8488016cdd78f2687688df9","target":"graph","created_at":"2026-05-18T01:40:22Z","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 a formalism describing the physical content of cross-correlation functions between a diffuse background and a population of discrete sources. The formalism is used to interpret cross-correlation signals between the unresolved X-ray background and a galaxy population resolved to high redshift in another spectral band. Specifically, we apply it to the so-called faint blue galaxy population and constrain their X-ray emissivity and clustering properties. A model is presented which satisfies the recently measured constraints on all 3 correlation functions (galaxy/galaxy, background/backg","authors_text":"M.A. Treyer, O. Lahav","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"1995-09-04T15:11:42Z","title":"Faint Blue Galaxies as a Probe of the X-ray Background at High Redshift"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9509013","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":"sha256:9cc1197bea9fe9270d0aa69b9eea1aa0fb6874e548146985ab42a78c38f38532","target":"record","created_at":"2026-05-18T01:40:22Z","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":"1cd436d7cf12d39b61c8d9653540b53e0b7111164717bc347c7894aae74c68b9","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1995-09-04T15:11:42Z","title_canon_sha256":"8b6226b54a26ac8768b7534be9eafcab99ae426021a6581bfaa28e98592d1882"},"schema_version":"1.0","source":{"id":"astro-ph/9509013","kind":"arxiv","version":1}},"canonical_sha256":"670cf71f5f6b25d7632c094b4f0e9d53ef6c18214984a5df787da259ae9e48ef","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"670cf71f5f6b25d7632c094b4f0e9d53ef6c18214984a5df787da259ae9e48ef","first_computed_at":"2026-05-18T01:40:22.790090Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:40:22.790090Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"R580CvkJ8Wujh0qZnk2QV9qTm9Vi+o1j/BPv59Xv+b5AGzWxp71mk3nZ938ORyYVjETRd4vdhm7GSm9KYPheAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:40:22.790786Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/9509013","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9cc1197bea9fe9270d0aa69b9eea1aa0fb6874e548146985ab42a78c38f38532","sha256:78ec100c7fd1fe6212d671474158fe7061ba62e1e8488016cdd78f2687688df9"],"state_sha256":"7a7f6d6ef3eb93c44e15f7a6abfd859065b9794301e5e95ea09cb2ec7ea6fd7c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UBfqkAhy+dReAVymEDuZeq++eJz9UjU7BeyErs3EOQK04UJbUniUQW/mZRsAFzypA83otARDjMUpbGwRPCPRAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-12T06:23:43.780185Z","bundle_sha256":"7373fcc693cce0c175fee4f0a1e536ba8bd424eb6e73f03eb80bc1b82c36efe6"}}