{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:HVGBDOAHBQFAWJDOVFRZKADVG5","short_pith_number":"pith:HVGBDOAH","canonical_record":{"source":{"id":"1610.05149","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-10-17T14:49:44Z","cross_cats_sorted":[],"title_canon_sha256":"99eba0132ab3c07473495b1363cd48a98c42b6ab99f55e10da5ae74cc7433085","abstract_canon_sha256":"301f7ff9dc8a52843a88c806aa81ace537415b33e1c5a6d0d12b1cb8721fe8c2"},"schema_version":"1.0"},"canonical_sha256":"3d4c11b8070c0a0b246ea963950075376a4c86bcc4b27a7f5be7e973a2ef2571","source":{"kind":"arxiv","id":"1610.05149","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.05149","created_at":"2026-05-18T01:02:06Z"},{"alias_kind":"arxiv_version","alias_value":"1610.05149v1","created_at":"2026-05-18T01:02:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.05149","created_at":"2026-05-18T01:02:06Z"},{"alias_kind":"pith_short_12","alias_value":"HVGBDOAHBQFA","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"HVGBDOAHBQFAWJDO","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"HVGBDOAH","created_at":"2026-05-18T12:30:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:HVGBDOAHBQFAWJDOVFRZKADVG5","target":"record","payload":{"canonical_record":{"source":{"id":"1610.05149","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-10-17T14:49:44Z","cross_cats_sorted":[],"title_canon_sha256":"99eba0132ab3c07473495b1363cd48a98c42b6ab99f55e10da5ae74cc7433085","abstract_canon_sha256":"301f7ff9dc8a52843a88c806aa81ace537415b33e1c5a6d0d12b1cb8721fe8c2"},"schema_version":"1.0"},"canonical_sha256":"3d4c11b8070c0a0b246ea963950075376a4c86bcc4b27a7f5be7e973a2ef2571","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:02:06.076363Z","signature_b64":"2+7W8decPIk2k1zXwpbIwNllOwhHqWqZD/oKFmw6jqeDmB6gUyMWUjV/rdyt9XEvreUPVYUvn9ba20gW1mX/Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3d4c11b8070c0a0b246ea963950075376a4c86bcc4b27a7f5be7e973a2ef2571","last_reissued_at":"2026-05-18T01:02:06.075640Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:02:06.075640Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1610.05149","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":"2026-05-18T01:02:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MBlflSp/xIANw9AdrchYxtboGRNKNNnB3/0NpLnv4tC5f9VhYYhgRtVQapqLQOvSf456aexsfGPrEyHStoqdDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T08:34:53.866973Z"},"content_sha256":"c034058f4d235ce572f142c89f8b193cd754dad5222a0e2067bb72f91ea45eba","schema_version":"1.0","event_id":"sha256:c034058f4d235ce572f142c89f8b193cd754dad5222a0e2067bb72f91ea45eba"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:HVGBDOAHBQFAWJDOVFRZKADVG5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Modeling the reverberation of optical polarization in AGN","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Frederic Marin, P. Andrea Rojas Lobos, Rene W. Goosmann","submitted_at":"2016-10-17T14:49:44Z","abstract_excerpt":"According to the standard paradigm, the strong and compact luminosity of active galactic nuclei (AGN) is due to multi-temperature black body emission originating from an accretion disk formed around a supermassive black hole. This central engine is thought to be surrounded by a dusty region along the equatorial plane and by ionized winds along the poles. The innermost regions cannot yet be resolved neither in the optical nor in the infrared and it is fair to say that we still lack a satisfactory understanding of the physical processes, geometry and composition of the central (sub-parsec) compo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.05149","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":"2026-05-18T01:02:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"szyx59Z+OrzrP/RhptjJkelSQ5o+W5K7r6NlwRLnJW3gyETPIZH+ty1Pf8SuwgQnvUuHfsTQBJNr8I04vhI1CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T08:34:53.867737Z"},"content_sha256":"1ad89b8c3d74bc27cf51202537532074404c3cdf4b3009259474a7c7d457be05","schema_version":"1.0","event_id":"sha256:1ad89b8c3d74bc27cf51202537532074404c3cdf4b3009259474a7c7d457be05"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HVGBDOAHBQFAWJDOVFRZKADVG5/bundle.json","state_url":"https://pith.science/pith/HVGBDOAHBQFAWJDOVFRZKADVG5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HVGBDOAHBQFAWJDOVFRZKADVG5/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":"2026-05-26T08:34:53Z","links":{"resolver":"https://pith.science/pith/HVGBDOAHBQFAWJDOVFRZKADVG5","bundle":"https://pith.science/pith/HVGBDOAHBQFAWJDOVFRZKADVG5/bundle.json","state":"https://pith.science/pith/HVGBDOAHBQFAWJDOVFRZKADVG5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HVGBDOAHBQFAWJDOVFRZKADVG5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:HVGBDOAHBQFAWJDOVFRZKADVG5","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":"301f7ff9dc8a52843a88c806aa81ace537415b33e1c5a6d0d12b1cb8721fe8c2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-10-17T14:49:44Z","title_canon_sha256":"99eba0132ab3c07473495b1363cd48a98c42b6ab99f55e10da5ae74cc7433085"},"schema_version":"1.0","source":{"id":"1610.05149","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.05149","created_at":"2026-05-18T01:02:06Z"},{"alias_kind":"arxiv_version","alias_value":"1610.05149v1","created_at":"2026-05-18T01:02:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.05149","created_at":"2026-05-18T01:02:06Z"},{"alias_kind":"pith_short_12","alias_value":"HVGBDOAHBQFA","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"HVGBDOAHBQFAWJDO","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"HVGBDOAH","created_at":"2026-05-18T12:30:22Z"}],"graph_snapshots":[{"event_id":"sha256:1ad89b8c3d74bc27cf51202537532074404c3cdf4b3009259474a7c7d457be05","target":"graph","created_at":"2026-05-18T01:02:06Z","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 standard paradigm, the strong and compact luminosity of active galactic nuclei (AGN) is due to multi-temperature black body emission originating from an accretion disk formed around a supermassive black hole. This central engine is thought to be surrounded by a dusty region along the equatorial plane and by ionized winds along the poles. The innermost regions cannot yet be resolved neither in the optical nor in the infrared and it is fair to say that we still lack a satisfactory understanding of the physical processes, geometry and composition of the central (sub-parsec) compo","authors_text":"Frederic Marin, P. Andrea Rojas Lobos, Rene W. Goosmann","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-10-17T14:49:44Z","title":"Modeling the reverberation of optical polarization in AGN"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.05149","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:c034058f4d235ce572f142c89f8b193cd754dad5222a0e2067bb72f91ea45eba","target":"record","created_at":"2026-05-18T01:02:06Z","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":"301f7ff9dc8a52843a88c806aa81ace537415b33e1c5a6d0d12b1cb8721fe8c2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-10-17T14:49:44Z","title_canon_sha256":"99eba0132ab3c07473495b1363cd48a98c42b6ab99f55e10da5ae74cc7433085"},"schema_version":"1.0","source":{"id":"1610.05149","kind":"arxiv","version":1}},"canonical_sha256":"3d4c11b8070c0a0b246ea963950075376a4c86bcc4b27a7f5be7e973a2ef2571","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3d4c11b8070c0a0b246ea963950075376a4c86bcc4b27a7f5be7e973a2ef2571","first_computed_at":"2026-05-18T01:02:06.075640Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:02:06.075640Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2+7W8decPIk2k1zXwpbIwNllOwhHqWqZD/oKFmw6jqeDmB6gUyMWUjV/rdyt9XEvreUPVYUvn9ba20gW1mX/Bg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:02:06.076363Z","signed_message":"canonical_sha256_bytes"},"source_id":"1610.05149","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c034058f4d235ce572f142c89f8b193cd754dad5222a0e2067bb72f91ea45eba","sha256:1ad89b8c3d74bc27cf51202537532074404c3cdf4b3009259474a7c7d457be05"],"state_sha256":"5f7197144af699d987ee3a363df711dc5e5d393173da6f9d5d770de856671dbd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7tCM82D/GM1Oy/GlL7DfAnn8WETb64sfroCtY0dVsRInU9np646XaC19w7TLjTOQOTu9QTUulFfquFbZMlPUBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T08:34:53.871675Z","bundle_sha256":"cf98f6bd111499102e5ee8a7c1d4a7343cecb542c870941f8a971442bd81f915"}}