{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2000:ZH26ICGMRBNCVEC42P3JADSUOZ","short_pith_number":"pith:ZH26ICGM","canonical_record":{"source":{"id":"astro-ph/0006333","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2000-06-23T10:37:19Z","cross_cats_sorted":[],"title_canon_sha256":"860ee17af1de0c9e577dc0ff3a4a0215bbc52bab92a8299178742a2ee9030246","abstract_canon_sha256":"87b4df93c3dc6a57091cc7ca5aee4d954959d3f2fe77d66e7c233ef8ece6cf3a"},"schema_version":"1.0"},"canonical_sha256":"c9f5e408cc885a2a905cd3f6900e5476637798e1c944e810ca83619685da704c","source":{"kind":"arxiv","id":"astro-ph/0006333","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0006333","created_at":"2026-07-04T14:10:27Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0006333v1","created_at":"2026-07-04T14:10:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0006333","created_at":"2026-07-04T14:10:27Z"},{"alias_kind":"pith_short_12","alias_value":"ZH26ICGMRBNC","created_at":"2026-07-04T14:10:27Z"},{"alias_kind":"pith_short_16","alias_value":"ZH26ICGMRBNCVEC4","created_at":"2026-07-04T14:10:27Z"},{"alias_kind":"pith_short_8","alias_value":"ZH26ICGM","created_at":"2026-07-04T14:10:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2000:ZH26ICGMRBNCVEC42P3JADSUOZ","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0006333","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2000-06-23T10:37:19Z","cross_cats_sorted":[],"title_canon_sha256":"860ee17af1de0c9e577dc0ff3a4a0215bbc52bab92a8299178742a2ee9030246","abstract_canon_sha256":"87b4df93c3dc6a57091cc7ca5aee4d954959d3f2fe77d66e7c233ef8ece6cf3a"},"schema_version":"1.0"},"canonical_sha256":"c9f5e408cc885a2a905cd3f6900e5476637798e1c944e810ca83619685da704c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:10:27.183311Z","signature_b64":"kak158ncRhEJB18DczXD2rcYPBXP3vQVtNe4fukfrKFCsqYqtP67qAaGWTrKcMLHyyBGmmJGu0ahdNgDp2JkDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c9f5e408cc885a2a905cd3f6900e5476637798e1c944e810ca83619685da704c","last_reissued_at":"2026-07-04T14:10:27.182927Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:10:27.182927Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0006333","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":"2026-07-04T14:10:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JGDFwvbocJ6/6z2prwUtG97xdUEy81DH+86kJ1/NlmxEQygHVuyFEMU88JlsC5kLYguhWOK1ode1aG6WNbuEAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T13:15:26.952766Z"},"content_sha256":"3d4b589f45cb423610d8b388ab07272d72de3f0047d055d397f46a4c4e1b685d","schema_version":"1.0","event_id":"sha256:3d4b589f45cb423610d8b388ab07272d72de3f0047d055d397f46a4c4e1b685d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2000:ZH26ICGMRBNCVEC42P3JADSUOZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The BeppoSAX 2-10 keV Survey","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"F. Fiore, M. Perri, P. Giommi","submitted_at":"2000-06-23T10:37:19Z","abstract_excerpt":"We present the results of a 2-10 keV BeppoSAX survey based on 140 high galactic latitude MECS fields, 12 of which are deep exposures of ``blank'' parts of the sky. The limiting sensitivity is 5 10^-14 erg cm^-2 s^-1 where about 25% of the Cosmic X-ray Background (CXB) is resolved into discrete sources. The logN-logS function, built with a statistically complete sample of 177 sources, is steep and in good agreement with the counts derived from ASCA surveys. A CXB fluctuation analysis allowed us to probe the logN-logS down to about 1.5 10^-14 erg cm^-2 s^-1 where the contribution of discrete sou"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0006333","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/0006333/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":"2026-07-04T14:10:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rXdyMyiX9c9if7PnJlNBTAFjGZ6ZS+dW9GUmSPillcVP/tzncYVFD4GZA/qW0bin5V6GUQMlelLSwtBOavLRDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T13:15:26.955497Z"},"content_sha256":"636dab5a40ee78b07493c2f1be1cbe38e537122c948796aef4627bde76421ed6","schema_version":"1.0","event_id":"sha256:636dab5a40ee78b07493c2f1be1cbe38e537122c948796aef4627bde76421ed6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZH26ICGMRBNCVEC42P3JADSUOZ/bundle.json","state_url":"https://pith.science/pith/ZH26ICGMRBNCVEC42P3JADSUOZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZH26ICGMRBNCVEC42P3JADSUOZ/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":"2026-08-13T13:15:26Z","links":{"resolver":"https://pith.science/pith/ZH26ICGMRBNCVEC42P3JADSUOZ","bundle":"https://pith.science/pith/ZH26ICGMRBNCVEC42P3JADSUOZ/bundle.json","state":"https://pith.science/pith/ZH26ICGMRBNCVEC42P3JADSUOZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZH26ICGMRBNCVEC42P3JADSUOZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2000:ZH26ICGMRBNCVEC42P3JADSUOZ","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":"87b4df93c3dc6a57091cc7ca5aee4d954959d3f2fe77d66e7c233ef8ece6cf3a","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2000-06-23T10:37:19Z","title_canon_sha256":"860ee17af1de0c9e577dc0ff3a4a0215bbc52bab92a8299178742a2ee9030246"},"schema_version":"1.0","source":{"id":"astro-ph/0006333","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0006333","created_at":"2026-07-04T14:10:27Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0006333v1","created_at":"2026-07-04T14:10:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0006333","created_at":"2026-07-04T14:10:27Z"},{"alias_kind":"pith_short_12","alias_value":"ZH26ICGMRBNC","created_at":"2026-07-04T14:10:27Z"},{"alias_kind":"pith_short_16","alias_value":"ZH26ICGMRBNCVEC4","created_at":"2026-07-04T14:10:27Z"},{"alias_kind":"pith_short_8","alias_value":"ZH26ICGM","created_at":"2026-07-04T14:10:27Z"}],"graph_snapshots":[{"event_id":"sha256:636dab5a40ee78b07493c2f1be1cbe38e537122c948796aef4627bde76421ed6","target":"graph","created_at":"2026-07-04T14:10:27Z","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/0006333/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present the results of a 2-10 keV BeppoSAX survey based on 140 high galactic latitude MECS fields, 12 of which are deep exposures of ``blank'' parts of the sky. The limiting sensitivity is 5 10^-14 erg cm^-2 s^-1 where about 25% of the Cosmic X-ray Background (CXB) is resolved into discrete sources. The logN-logS function, built with a statistically complete sample of 177 sources, is steep and in good agreement with the counts derived from ASCA surveys. A CXB fluctuation analysis allowed us to probe the logN-logS down to about 1.5 10^-14 erg cm^-2 s^-1 where the contribution of discrete sou","authors_text":"F. Fiore, M. Perri, P. Giommi","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2000-06-23T10:37:19Z","title":"The BeppoSAX 2-10 keV Survey"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0006333","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":"sha256:3d4b589f45cb423610d8b388ab07272d72de3f0047d055d397f46a4c4e1b685d","target":"record","created_at":"2026-07-04T14:10:27Z","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":"87b4df93c3dc6a57091cc7ca5aee4d954959d3f2fe77d66e7c233ef8ece6cf3a","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2000-06-23T10:37:19Z","title_canon_sha256":"860ee17af1de0c9e577dc0ff3a4a0215bbc52bab92a8299178742a2ee9030246"},"schema_version":"1.0","source":{"id":"astro-ph/0006333","kind":"arxiv","version":1}},"canonical_sha256":"c9f5e408cc885a2a905cd3f6900e5476637798e1c944e810ca83619685da704c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c9f5e408cc885a2a905cd3f6900e5476637798e1c944e810ca83619685da704c","first_computed_at":"2026-07-04T14:10:27.182927Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:10:27.182927Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kak158ncRhEJB18DczXD2rcYPBXP3vQVtNe4fukfrKFCsqYqtP67qAaGWTrKcMLHyyBGmmJGu0ahdNgDp2JkDA==","signature_status":"signed_v1","signed_at":"2026-07-04T14:10:27.183311Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0006333","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3d4b589f45cb423610d8b388ab07272d72de3f0047d055d397f46a4c4e1b685d","sha256:636dab5a40ee78b07493c2f1be1cbe38e537122c948796aef4627bde76421ed6"],"state_sha256":"80bd56d6630a17911e6becb6bf62d866df94adceabce67c54e554220659fff78"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"25Iq6UoFwk/8K05izkiMalCYoDWSNyKKkR9DkhGSYcsfAkOr6+dXE0yf4eD+/TIGBiHHyrKnJT3y0yL3FCsmBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T13:15:26.973181Z","bundle_sha256":"83e81468859d447ca42af61cd63771b08cd62b41a750a53b7144eb6b08516f8a"}}