{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:YW577HWLZKNQEKJHR4WFXNJUJE","short_pith_number":"pith:YW577HWL","canonical_record":{"source":{"id":"1601.02389","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-01-11T10:43:23Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"84cf2d067c14fa5c6bad1d0c1dd4f544c83a14fb3bfa2acfe9a6e4e892447555","abstract_canon_sha256":"ae78cd3ec2f0d7357f56a18b839fdff2e8a96209bdf7e8de68a0a6ed11f13ef6"},"schema_version":"1.0"},"canonical_sha256":"c5bbff9ecbca9b0229278f2c5bb534491d95ad9001e18747f02a5713aad9b850","source":{"kind":"arxiv","id":"1601.02389","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.02389","created_at":"2026-05-18T01:21:25Z"},{"alias_kind":"arxiv_version","alias_value":"1601.02389v1","created_at":"2026-05-18T01:21:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.02389","created_at":"2026-05-18T01:21:25Z"},{"alias_kind":"pith_short_12","alias_value":"YW577HWLZKNQ","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_16","alias_value":"YW577HWLZKNQEKJH","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_8","alias_value":"YW577HWL","created_at":"2026-05-18T12:30:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:YW577HWLZKNQEKJHR4WFXNJUJE","target":"record","payload":{"canonical_record":{"source":{"id":"1601.02389","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-01-11T10:43:23Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"84cf2d067c14fa5c6bad1d0c1dd4f544c83a14fb3bfa2acfe9a6e4e892447555","abstract_canon_sha256":"ae78cd3ec2f0d7357f56a18b839fdff2e8a96209bdf7e8de68a0a6ed11f13ef6"},"schema_version":"1.0"},"canonical_sha256":"c5bbff9ecbca9b0229278f2c5bb534491d95ad9001e18747f02a5713aad9b850","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:21:25.375837Z","signature_b64":"09hKnGHEQKMhILBdGK95OmGdoKzPKt11qZs7uJgXfu6BbMyNxJ1mcecwS6i6VvLr5FahXIJTh2Fh1M7RWA7ZCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c5bbff9ecbca9b0229278f2c5bb534491d95ad9001e18747f02a5713aad9b850","last_reissued_at":"2026-05-18T01:21:25.375078Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:21:25.375078Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1601.02389","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":"2026-05-18T01:21:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wP1wBDh4guBR8Eup+pjEIT4egGH7/SyNe7M/1Itz0jnWBD7sgbz1lJ6nSe9gvdZ9rc0dKNxfbc6JuX7d1gvnAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T22:59:48.558993Z"},"content_sha256":"efc623f1337e357a47a139b7fe5ddaa65d9327d89123e2db301269fade6d92d1","schema_version":"1.0","event_id":"sha256:efc623f1337e357a47a139b7fe5ddaa65d9327d89123e2db301269fade6d92d1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:YW577HWLZKNQEKJHR4WFXNJUJE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Line shifts in accretion disks - the case of Fe K$\\alpha$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.GA","authors_text":"D. Borka, L. \\v{C}. Popovi\\'c, P. Jovanovi\\'c, V. Borka Jovanovi\\'c","submitted_at":"2016-01-11T10:43:23Z","abstract_excerpt":"Here we present a short overview and main results of our investigations of several effects which can induce shifts in the broad Fe K$\\alpha$ line emitted from relativistic accretion disks around single and binary supermassive black holes. We used numerical simulations based on ray-tracing method in the Kerr metric to study the role of classical Doppler shift, special relativistic transverse Doppler shift and Doppler beaming, general relativistic gravitational redshift, and perturbations of the disk emissivity in the formation of the observed Fe K$\\alpha$ line profiles. Besides, we also investi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.02389","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":"2026-05-18T01:21:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"URhZvYXHvbmJmR7u2CePuadeOExndPxEhKhDljqyzHZEq+oh4jk5wm7enRxACzf8t6pki5LJsjGqffs5jy7VAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T22:59:48.559556Z"},"content_sha256":"d5ab36526b7fd073f85a2b6766828d19630102eedae8b9578c8798513dcff6ed","schema_version":"1.0","event_id":"sha256:d5ab36526b7fd073f85a2b6766828d19630102eedae8b9578c8798513dcff6ed"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YW577HWLZKNQEKJHR4WFXNJUJE/bundle.json","state_url":"https://pith.science/pith/YW577HWLZKNQEKJHR4WFXNJUJE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YW577HWLZKNQEKJHR4WFXNJUJE/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":"2026-06-08T22:59:48Z","links":{"resolver":"https://pith.science/pith/YW577HWLZKNQEKJHR4WFXNJUJE","bundle":"https://pith.science/pith/YW577HWLZKNQEKJHR4WFXNJUJE/bundle.json","state":"https://pith.science/pith/YW577HWLZKNQEKJHR4WFXNJUJE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YW577HWLZKNQEKJHR4WFXNJUJE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:YW577HWLZKNQEKJHR4WFXNJUJE","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":"ae78cd3ec2f0d7357f56a18b839fdff2e8a96209bdf7e8de68a0a6ed11f13ef6","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-01-11T10:43:23Z","title_canon_sha256":"84cf2d067c14fa5c6bad1d0c1dd4f544c83a14fb3bfa2acfe9a6e4e892447555"},"schema_version":"1.0","source":{"id":"1601.02389","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.02389","created_at":"2026-05-18T01:21:25Z"},{"alias_kind":"arxiv_version","alias_value":"1601.02389v1","created_at":"2026-05-18T01:21:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.02389","created_at":"2026-05-18T01:21:25Z"},{"alias_kind":"pith_short_12","alias_value":"YW577HWLZKNQ","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_16","alias_value":"YW577HWLZKNQEKJH","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_8","alias_value":"YW577HWL","created_at":"2026-05-18T12:30:53Z"}],"graph_snapshots":[{"event_id":"sha256:d5ab36526b7fd073f85a2b6766828d19630102eedae8b9578c8798513dcff6ed","target":"graph","created_at":"2026-05-18T01:21:25Z","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":"Here we present a short overview and main results of our investigations of several effects which can induce shifts in the broad Fe K$\\alpha$ line emitted from relativistic accretion disks around single and binary supermassive black holes. We used numerical simulations based on ray-tracing method in the Kerr metric to study the role of classical Doppler shift, special relativistic transverse Doppler shift and Doppler beaming, general relativistic gravitational redshift, and perturbations of the disk emissivity in the formation of the observed Fe K$\\alpha$ line profiles. Besides, we also investi","authors_text":"D. Borka, L. \\v{C}. Popovi\\'c, P. Jovanovi\\'c, V. Borka Jovanovi\\'c","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-01-11T10:43:23Z","title":"Line shifts in accretion disks - the case of Fe K$\\alpha$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.02389","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:efc623f1337e357a47a139b7fe5ddaa65d9327d89123e2db301269fade6d92d1","target":"record","created_at":"2026-05-18T01:21:25Z","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":"ae78cd3ec2f0d7357f56a18b839fdff2e8a96209bdf7e8de68a0a6ed11f13ef6","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-01-11T10:43:23Z","title_canon_sha256":"84cf2d067c14fa5c6bad1d0c1dd4f544c83a14fb3bfa2acfe9a6e4e892447555"},"schema_version":"1.0","source":{"id":"1601.02389","kind":"arxiv","version":1}},"canonical_sha256":"c5bbff9ecbca9b0229278f2c5bb534491d95ad9001e18747f02a5713aad9b850","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c5bbff9ecbca9b0229278f2c5bb534491d95ad9001e18747f02a5713aad9b850","first_computed_at":"2026-05-18T01:21:25.375078Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:21:25.375078Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"09hKnGHEQKMhILBdGK95OmGdoKzPKt11qZs7uJgXfu6BbMyNxJ1mcecwS6i6VvLr5FahXIJTh2Fh1M7RWA7ZCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:21:25.375837Z","signed_message":"canonical_sha256_bytes"},"source_id":"1601.02389","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:efc623f1337e357a47a139b7fe5ddaa65d9327d89123e2db301269fade6d92d1","sha256:d5ab36526b7fd073f85a2b6766828d19630102eedae8b9578c8798513dcff6ed"],"state_sha256":"c1710536a4599574ea1cae9094b4fb53a88d843a5ab547678b15a6e3328a8a24"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KTcDPWfKtH+A5BRynxlAI/XJvZeLOs3vIFV1MZw18KbxPwVEpw/gevk77elDSWYi2PW8L8d4ZzNHnO0npCQRCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T22:59:48.562092Z","bundle_sha256":"4161209796d36069bfa6da8dcb05241d536284f58bca0df48722ffe8bd6976c2"}}