{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:LMGEZ4MBCZG75GJYCZRE4PVZM5","short_pith_number":"pith:LMGEZ4MB","canonical_record":{"source":{"id":"1103.5880","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-03-30T11:38:19Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"94afe85c556b76d59678306d87d218717346c509b400060f2d4e1069f038438e","abstract_canon_sha256":"e1ffb591114d4d3216e55e94df51569346e1e9406c0f4745ac8fb91519f08c40"},"schema_version":"1.0"},"canonical_sha256":"5b0c4cf181164dfe993816624e3eb9674721b242b3251ee673ccecbe7aea668b","source":{"kind":"arxiv","id":"1103.5880","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.5880","created_at":"2026-05-18T04:25:27Z"},{"alias_kind":"arxiv_version","alias_value":"1103.5880v1","created_at":"2026-05-18T04:25:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.5880","created_at":"2026-05-18T04:25:27Z"},{"alias_kind":"pith_short_12","alias_value":"LMGEZ4MBCZG7","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_16","alias_value":"LMGEZ4MBCZG75GJY","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_8","alias_value":"LMGEZ4MB","created_at":"2026-05-18T12:26:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:LMGEZ4MBCZG75GJYCZRE4PVZM5","target":"record","payload":{"canonical_record":{"source":{"id":"1103.5880","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-03-30T11:38:19Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"94afe85c556b76d59678306d87d218717346c509b400060f2d4e1069f038438e","abstract_canon_sha256":"e1ffb591114d4d3216e55e94df51569346e1e9406c0f4745ac8fb91519f08c40"},"schema_version":"1.0"},"canonical_sha256":"5b0c4cf181164dfe993816624e3eb9674721b242b3251ee673ccecbe7aea668b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:25:27.343428Z","signature_b64":"dR8Lv0qeVfydt4ML/O2whimeSHPdj7kXygSy37m0dnVKuhgob29i/pRDmkTvgPk3C48lBmjM3JjYIXIDbJjQAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5b0c4cf181164dfe993816624e3eb9674721b242b3251ee673ccecbe7aea668b","last_reissued_at":"2026-05-18T04:25:27.342830Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:25:27.342830Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1103.5880","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":"2026-05-18T04:25:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qvlA8DNB5xW2riMLXnS1Y52+H07821U8X6Yxo8Bzg2Bn/Hd8DebL4C/CCpHYlTxSYj5zJa15H6VgEZQFhLvpCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T12:22:05.256433Z"},"content_sha256":"fa38c9735bbfd2c80ad40e3a61cacab52569f1f45781e0cfc909711ff7a465f8","schema_version":"1.0","event_id":"sha256:fa38c9735bbfd2c80ad40e3a61cacab52569f1f45781e0cfc909711ff7a465f8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:LMGEZ4MBCZG75GJYCZRE4PVZM5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"INTEGRAL and the Unified Model of AGN","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.CO","authors_text":"C. Ricci, R. Walter, T. J.-L. Courvoisier","submitted_at":"2011-03-30T11:38:19Z","abstract_excerpt":"According to the unified model, the differences observed in different classes of AGN are due to anisotropic obscuration. This implies that in the hard X-rays, at energies where the radiation can pierce the obscuring material, the average spectral characteristics of different classes of AGN should be the same. Here we present a study of the 17-250 keV INTEGRAL IBIS/ISGRI average spectra of Seyfert galaxies, aimed to constrain similarities and possible differences between different classes of AGN. The sample we consists of all the 172 Seyfert galaxies detected by INTEGRAL IBIS/ISGRI at z<0.2 dur"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.5880","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":"2026-05-18T04:25:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iZ4kX6jW22Y4i4QPqnsLzzjqLQgvT0sat8SpChdAE7zJo4aL0NJ5pYog/hTvmLSaFoNbtDHa8/o621nR1ipVBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T12:22:05.257074Z"},"content_sha256":"ee3a5d03f9165a5aa54387b473569e77e4c9cc16842ba5028004388205995c48","schema_version":"1.0","event_id":"sha256:ee3a5d03f9165a5aa54387b473569e77e4c9cc16842ba5028004388205995c48"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LMGEZ4MBCZG75GJYCZRE4PVZM5/bundle.json","state_url":"https://pith.science/pith/LMGEZ4MBCZG75GJYCZRE4PVZM5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LMGEZ4MBCZG75GJYCZRE4PVZM5/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":"2026-06-06T12:22:05Z","links":{"resolver":"https://pith.science/pith/LMGEZ4MBCZG75GJYCZRE4PVZM5","bundle":"https://pith.science/pith/LMGEZ4MBCZG75GJYCZRE4PVZM5/bundle.json","state":"https://pith.science/pith/LMGEZ4MBCZG75GJYCZRE4PVZM5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LMGEZ4MBCZG75GJYCZRE4PVZM5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:LMGEZ4MBCZG75GJYCZRE4PVZM5","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":"e1ffb591114d4d3216e55e94df51569346e1e9406c0f4745ac8fb91519f08c40","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-03-30T11:38:19Z","title_canon_sha256":"94afe85c556b76d59678306d87d218717346c509b400060f2d4e1069f038438e"},"schema_version":"1.0","source":{"id":"1103.5880","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.5880","created_at":"2026-05-18T04:25:27Z"},{"alias_kind":"arxiv_version","alias_value":"1103.5880v1","created_at":"2026-05-18T04:25:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.5880","created_at":"2026-05-18T04:25:27Z"},{"alias_kind":"pith_short_12","alias_value":"LMGEZ4MBCZG7","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_16","alias_value":"LMGEZ4MBCZG75GJY","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_8","alias_value":"LMGEZ4MB","created_at":"2026-05-18T12:26:34Z"}],"graph_snapshots":[{"event_id":"sha256:ee3a5d03f9165a5aa54387b473569e77e4c9cc16842ba5028004388205995c48","target":"graph","created_at":"2026-05-18T04:25:27Z","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"},"paper":{"abstract_excerpt":"According to the unified model, the differences observed in different classes of AGN are due to anisotropic obscuration. This implies that in the hard X-rays, at energies where the radiation can pierce the obscuring material, the average spectral characteristics of different classes of AGN should be the same. Here we present a study of the 17-250 keV INTEGRAL IBIS/ISGRI average spectra of Seyfert galaxies, aimed to constrain similarities and possible differences between different classes of AGN. The sample we consists of all the 172 Seyfert galaxies detected by INTEGRAL IBIS/ISGRI at z<0.2 dur","authors_text":"C. Ricci, R. Walter, T. J.-L. Courvoisier","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-03-30T11:38:19Z","title":"INTEGRAL and the Unified Model of AGN"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.5880","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:fa38c9735bbfd2c80ad40e3a61cacab52569f1f45781e0cfc909711ff7a465f8","target":"record","created_at":"2026-05-18T04:25:27Z","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":"e1ffb591114d4d3216e55e94df51569346e1e9406c0f4745ac8fb91519f08c40","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-03-30T11:38:19Z","title_canon_sha256":"94afe85c556b76d59678306d87d218717346c509b400060f2d4e1069f038438e"},"schema_version":"1.0","source":{"id":"1103.5880","kind":"arxiv","version":1}},"canonical_sha256":"5b0c4cf181164dfe993816624e3eb9674721b242b3251ee673ccecbe7aea668b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5b0c4cf181164dfe993816624e3eb9674721b242b3251ee673ccecbe7aea668b","first_computed_at":"2026-05-18T04:25:27.342830Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:25:27.342830Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dR8Lv0qeVfydt4ML/O2whimeSHPdj7kXygSy37m0dnVKuhgob29i/pRDmkTvgPk3C48lBmjM3JjYIXIDbJjQAw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:25:27.343428Z","signed_message":"canonical_sha256_bytes"},"source_id":"1103.5880","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fa38c9735bbfd2c80ad40e3a61cacab52569f1f45781e0cfc909711ff7a465f8","sha256:ee3a5d03f9165a5aa54387b473569e77e4c9cc16842ba5028004388205995c48"],"state_sha256":"be0db138c2b2455a9c6b81960fba48431aef4cbb83176ad822d49b340ecdb3b2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GtqicboqNf+aoAfplvmkqsz8KbLty5oDjw/7gKFoaVB2FSD+992b82bYP0UsRVg6/QJqV+wOMqS5BRS6ktqECQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T12:22:05.261493Z","bundle_sha256":"9fa4d46f27d4e975332b66d2ed9b7ef094009eace26f5ce2c7cd9bf89476b4a7"}}