{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:5M5XYM2367RD5A4MUVNDX5RCSU","short_pith_number":"pith:5M5XYM23","canonical_record":{"source":{"id":"1906.02734","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-06-06T17:53:15Z","cross_cats_sorted":["astro-ph.GA","astro-ph.IM"],"title_canon_sha256":"c0f3df379dfb81d37a3e99cffbb909973dd06cef98516982b7c3a518a800bee4","abstract_canon_sha256":"af0e0cdd343d737ed27489ed68203fb629c19754be1d0deb8e753fcf158988cc"},"schema_version":"1.0"},"canonical_sha256":"eb3b7c335bf7e23e838ca55a3bf62295366f561509b05c82e13aec85a8326f59","source":{"kind":"arxiv","id":"1906.02734","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.02734","created_at":"2026-07-04T23:50:40Z"},{"alias_kind":"arxiv_version","alias_value":"1906.02734v1","created_at":"2026-07-04T23:50:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.02734","created_at":"2026-07-04T23:50:40Z"},{"alias_kind":"pith_short_12","alias_value":"5M5XYM2367RD","created_at":"2026-07-04T23:50:40Z"},{"alias_kind":"pith_short_16","alias_value":"5M5XYM2367RD5A4M","created_at":"2026-07-04T23:50:40Z"},{"alias_kind":"pith_short_8","alias_value":"5M5XYM23","created_at":"2026-07-04T23:50:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:5M5XYM2367RD5A4MUVNDX5RCSU","target":"record","payload":{"canonical_record":{"source":{"id":"1906.02734","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-06-06T17:53:15Z","cross_cats_sorted":["astro-ph.GA","astro-ph.IM"],"title_canon_sha256":"c0f3df379dfb81d37a3e99cffbb909973dd06cef98516982b7c3a518a800bee4","abstract_canon_sha256":"af0e0cdd343d737ed27489ed68203fb629c19754be1d0deb8e753fcf158988cc"},"schema_version":"1.0"},"canonical_sha256":"eb3b7c335bf7e23e838ca55a3bf62295366f561509b05c82e13aec85a8326f59","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T23:50:40.827745Z","signature_b64":"4gUJYKuxbsnWVvSFmoqRi6OuR6eh7D89I06jRH5n2Dk5K0ezYCIAgiOexjfQmdwI04L+a85eDnPC6aTU8yqnAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"eb3b7c335bf7e23e838ca55a3bf62295366f561509b05c82e13aec85a8326f59","last_reissued_at":"2026-07-04T23:50:40.827280Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T23:50:40.827280Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1906.02734","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":"2026-07-04T23:50:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i7ARZ4W638AA6EyEnlrf71DtlhpiSlXs6Dy/WpKyvxWvtXkZ5/iQM8kvwZgc0nqucHzSAgjhqO0pd4zRfvHrCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T01:50:43.080921Z"},"content_sha256":"9ec6d8957b2301dbf7fffd93c399c65567a7fe19fb987f5959e48cd71f738a3d","schema_version":"1.0","event_id":"sha256:9ec6d8957b2301dbf7fffd93c399c65567a7fe19fb987f5959e48cd71f738a3d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:5M5XYM2367RD5A4MUVNDX5RCSU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Inferring black hole spins and probing accretion/ejection flows in AGNs with the Athena X-ray Integral Field Unit","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA","astro-ph.IM"],"primary_cat":"astro-ph.HE","authors_text":"Didier Barret (IRAP), Massimo Cappi (INAF-OAS)","submitted_at":"2019-06-06T17:53:15Z","abstract_excerpt":"Active Galactic Nuclei (AGN) display complex X-ray spectra which exhibit a variety of emission and absorption features, that are commonly interpreted as a combination of i) a relativistically smeared reflection component, resulting from the irradiation of an accretion disk by a compact hard X-ray source, ii) one or several warm/ionized absorption components produced by AGN-driven outflows crossing our line of sight, and iii) a non relativistic reflection component produced by more distant material. Disentangling these components via detailed model fitting can thus be used to constrain the blac"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.02734","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/1906.02734/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":"2026-07-04T23:50:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uqL9bbCvNAN1nrTw68sSUSJiQfGG6T9FrJbHyK2CMKsYUQ+UOnFZt9owFOvcVtw4lY9S8kNSmvZa3Ov8K7i/BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T01:50:43.081455Z"},"content_sha256":"f731302711d71fbe20700ef827e84acc24ae2d583e6ee17ec8ca35ef86c31f23","schema_version":"1.0","event_id":"sha256:f731302711d71fbe20700ef827e84acc24ae2d583e6ee17ec8ca35ef86c31f23"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5M5XYM2367RD5A4MUVNDX5RCSU/bundle.json","state_url":"https://pith.science/pith/5M5XYM2367RD5A4MUVNDX5RCSU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5M5XYM2367RD5A4MUVNDX5RCSU/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":"2026-08-21T01:50:43Z","links":{"resolver":"https://pith.science/pith/5M5XYM2367RD5A4MUVNDX5RCSU","bundle":"https://pith.science/pith/5M5XYM2367RD5A4MUVNDX5RCSU/bundle.json","state":"https://pith.science/pith/5M5XYM2367RD5A4MUVNDX5RCSU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5M5XYM2367RD5A4MUVNDX5RCSU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:5M5XYM2367RD5A4MUVNDX5RCSU","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":"af0e0cdd343d737ed27489ed68203fb629c19754be1d0deb8e753fcf158988cc","cross_cats_sorted":["astro-ph.GA","astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-06-06T17:53:15Z","title_canon_sha256":"c0f3df379dfb81d37a3e99cffbb909973dd06cef98516982b7c3a518a800bee4"},"schema_version":"1.0","source":{"id":"1906.02734","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.02734","created_at":"2026-07-04T23:50:40Z"},{"alias_kind":"arxiv_version","alias_value":"1906.02734v1","created_at":"2026-07-04T23:50:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.02734","created_at":"2026-07-04T23:50:40Z"},{"alias_kind":"pith_short_12","alias_value":"5M5XYM2367RD","created_at":"2026-07-04T23:50:40Z"},{"alias_kind":"pith_short_16","alias_value":"5M5XYM2367RD5A4M","created_at":"2026-07-04T23:50:40Z"},{"alias_kind":"pith_short_8","alias_value":"5M5XYM23","created_at":"2026-07-04T23:50:40Z"}],"graph_snapshots":[{"event_id":"sha256:f731302711d71fbe20700ef827e84acc24ae2d583e6ee17ec8ca35ef86c31f23","target":"graph","created_at":"2026-07-04T23:50:40Z","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/1906.02734/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Active Galactic Nuclei (AGN) display complex X-ray spectra which exhibit a variety of emission and absorption features, that are commonly interpreted as a combination of i) a relativistically smeared reflection component, resulting from the irradiation of an accretion disk by a compact hard X-ray source, ii) one or several warm/ionized absorption components produced by AGN-driven outflows crossing our line of sight, and iii) a non relativistic reflection component produced by more distant material. Disentangling these components via detailed model fitting can thus be used to constrain the blac","authors_text":"Didier Barret (IRAP), Massimo Cappi (INAF-OAS)","cross_cats":["astro-ph.GA","astro-ph.IM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-06-06T17:53:15Z","title":"Inferring black hole spins and probing accretion/ejection flows in AGNs with the Athena X-ray Integral Field Unit"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.02734","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":"sha256:9ec6d8957b2301dbf7fffd93c399c65567a7fe19fb987f5959e48cd71f738a3d","target":"record","created_at":"2026-07-04T23:50:40Z","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":"af0e0cdd343d737ed27489ed68203fb629c19754be1d0deb8e753fcf158988cc","cross_cats_sorted":["astro-ph.GA","astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-06-06T17:53:15Z","title_canon_sha256":"c0f3df379dfb81d37a3e99cffbb909973dd06cef98516982b7c3a518a800bee4"},"schema_version":"1.0","source":{"id":"1906.02734","kind":"arxiv","version":1}},"canonical_sha256":"eb3b7c335bf7e23e838ca55a3bf62295366f561509b05c82e13aec85a8326f59","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"eb3b7c335bf7e23e838ca55a3bf62295366f561509b05c82e13aec85a8326f59","first_computed_at":"2026-07-04T23:50:40.827280Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T23:50:40.827280Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4gUJYKuxbsnWVvSFmoqRi6OuR6eh7D89I06jRH5n2Dk5K0ezYCIAgiOexjfQmdwI04L+a85eDnPC6aTU8yqnAQ==","signature_status":"signed_v1","signed_at":"2026-07-04T23:50:40.827745Z","signed_message":"canonical_sha256_bytes"},"source_id":"1906.02734","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9ec6d8957b2301dbf7fffd93c399c65567a7fe19fb987f5959e48cd71f738a3d","sha256:f731302711d71fbe20700ef827e84acc24ae2d583e6ee17ec8ca35ef86c31f23"],"state_sha256":"7208c089c0f2742c589403160670261ce2f7a9ceaac4847b67511964118afb45"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bXmUPo6iqxQ0HFpqAKVIZPjshPfN1PM9dHRifKA70pWB0/Sxl3W8oj6AL4ET4xepUWh9TDsLwjQUKdOZgM5ZBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T01:50:43.085414Z","bundle_sha256":"4ddc402d4b4966931fe95ade66fa2a71469a378c78ab1fcc5117152495efb30a"}}