{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:CFPLVM4TC4DTVQJNP7TM2V4M7B","short_pith_number":"pith:CFPLVM4T","canonical_record":{"source":{"id":"2002.08374","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-02-19T19:00:03Z","cross_cats_sorted":[],"title_canon_sha256":"469cfc35ba6122845f472ff9dd603f9e2a3e220740c2e2417f5e0440bd2de463","abstract_canon_sha256":"daffa34fb4c003a00707f147602a4663440e4616644ede861aa1a15f89188bad"},"schema_version":"1.0"},"canonical_sha256":"115ebab39317073ac12d7fe6cd578cf84032fcef057cd978aa9bb352daa65f98","source":{"kind":"arxiv","id":"2002.08374","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2002.08374","created_at":"2026-07-05T01:52:16Z"},{"alias_kind":"arxiv_version","alias_value":"2002.08374v1","created_at":"2026-07-05T01:52:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2002.08374","created_at":"2026-07-05T01:52:16Z"},{"alias_kind":"pith_short_12","alias_value":"CFPLVM4TC4DT","created_at":"2026-07-05T01:52:16Z"},{"alias_kind":"pith_short_16","alias_value":"CFPLVM4TC4DTVQJN","created_at":"2026-07-05T01:52:16Z"},{"alias_kind":"pith_short_8","alias_value":"CFPLVM4T","created_at":"2026-07-05T01:52:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:CFPLVM4TC4DTVQJNP7TM2V4M7B","target":"record","payload":{"canonical_record":{"source":{"id":"2002.08374","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-02-19T19:00:03Z","cross_cats_sorted":[],"title_canon_sha256":"469cfc35ba6122845f472ff9dd603f9e2a3e220740c2e2417f5e0440bd2de463","abstract_canon_sha256":"daffa34fb4c003a00707f147602a4663440e4616644ede861aa1a15f89188bad"},"schema_version":"1.0"},"canonical_sha256":"115ebab39317073ac12d7fe6cd578cf84032fcef057cd978aa9bb352daa65f98","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:52:16.473208Z","signature_b64":"x8rPiaFjkY/eBq9m/jovCkBVwB5iQDJgKpimJK1hue3K59j+18npxRKFAu8tfq015eJpjQubAJSRTy+gT9x/Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"115ebab39317073ac12d7fe6cd578cf84032fcef057cd978aa9bb352daa65f98","last_reissued_at":"2026-07-05T01:52:16.472751Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:52:16.472751Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2002.08374","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":"2026-07-05T01:52:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xuPMxYQ3bjEcEzIZJAro1YX4NX4QpKOboficU3+DVznvJ1WkbsrFN1NY8uIPVMO62AMVTfhp+sTWE1cFUM+SAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T12:10:11.724737Z"},"content_sha256":"679d030d5d0c527c209e949be9b2939d83bd34ffea3ea8e3174cf563b31880c7","schema_version":"1.0","event_id":"sha256:679d030d5d0c527c209e949be9b2939d83bd34ffea3ea8e3174cf563b31880c7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:CFPLVM4TC4DTVQJNP7TM2V4M7B","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Modeling the orbital motion of Sgr A*'s near-infrared flares","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Amorim, A. Eckart, A. Jim\\'enez-Rosales, A. Sternberg, C. Straubmeier, E. Gendron, E. Sturm, E. Wieprecht, E. Wiezorrek, F. Eisenhauer, F. Gao, F. Vincent, F. Widmann, G. Duvert, G. Perrin, G. Rodriguez Coira, G. Rousset, H. Bonnet, I. Waisberg, J.-B. Le Bouquin, J. Dexter, J.P. Berger, J. Stadler, J. Woillez, K. Perraut, L. Jocou, L.J. Tacconi, M. Habibi, M. Horrobin, N.M. F\\\"orster Schreiber, O. Gerhard, O. Pfuhl, O. Straub, P. Garcia, P. Kervella, P. L\\'ena, P.T. de Zeeuw, R. Abuter, R. Genzel, S. Gillessen, S. Hippler, S. Lacour, S. Rabien, S. Scheithauer, S. von Fellenberg, S. Yazici, The GRAVITY Collaboration: M. Baub\\\"ock, T. Henning, T. Ott, T. Paumard, V. Coud\\'e du Foresto, V. Lapeyr\\`ere, W. Brandner, X. Haubois, Y. Cl\\'enet","submitted_at":"2020-02-19T19:00:03Z","abstract_excerpt":"Infrared observations of Sgr A* probe the region close to the event horizon of the black hole at the Galactic center. These observations can constrain the properties of low-luminosity accretion as well as that of the black hole itself. The GRAVITY instrument at the ESO VLTI has recently detected continuous circular relativistic motion during infrared flares which has been interpreted as orbital motion near the event horizon. Here we analyze the astrometric data from these flares, taking into account the effects of out-of-plane motion and orbital shear of material near the event horizon of the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2002.08374","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/2002.08374/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":"2026-07-05T01:52:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"luN5wpP0oeFrrrJVuD/HCL6shY7QJ/kMUkVLLboOadJduRZ94gy4ulyuX5Jw2jH0heYo++EDoeJ4WdW3aEVMAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T12:10:11.725139Z"},"content_sha256":"3557c33082e0f7b128b7a197dc33b329066893fd81aa894d8f115bc325b6a363","schema_version":"1.0","event_id":"sha256:3557c33082e0f7b128b7a197dc33b329066893fd81aa894d8f115bc325b6a363"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CFPLVM4TC4DTVQJNP7TM2V4M7B/bundle.json","state_url":"https://pith.science/pith/CFPLVM4TC4DTVQJNP7TM2V4M7B/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CFPLVM4TC4DTVQJNP7TM2V4M7B/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":"2026-07-07T12:10:11Z","links":{"resolver":"https://pith.science/pith/CFPLVM4TC4DTVQJNP7TM2V4M7B","bundle":"https://pith.science/pith/CFPLVM4TC4DTVQJNP7TM2V4M7B/bundle.json","state":"https://pith.science/pith/CFPLVM4TC4DTVQJNP7TM2V4M7B/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CFPLVM4TC4DTVQJNP7TM2V4M7B/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:CFPLVM4TC4DTVQJNP7TM2V4M7B","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":"daffa34fb4c003a00707f147602a4663440e4616644ede861aa1a15f89188bad","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-02-19T19:00:03Z","title_canon_sha256":"469cfc35ba6122845f472ff9dd603f9e2a3e220740c2e2417f5e0440bd2de463"},"schema_version":"1.0","source":{"id":"2002.08374","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2002.08374","created_at":"2026-07-05T01:52:16Z"},{"alias_kind":"arxiv_version","alias_value":"2002.08374v1","created_at":"2026-07-05T01:52:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2002.08374","created_at":"2026-07-05T01:52:16Z"},{"alias_kind":"pith_short_12","alias_value":"CFPLVM4TC4DT","created_at":"2026-07-05T01:52:16Z"},{"alias_kind":"pith_short_16","alias_value":"CFPLVM4TC4DTVQJN","created_at":"2026-07-05T01:52:16Z"},{"alias_kind":"pith_short_8","alias_value":"CFPLVM4T","created_at":"2026-07-05T01:52:16Z"}],"graph_snapshots":[{"event_id":"sha256:3557c33082e0f7b128b7a197dc33b329066893fd81aa894d8f115bc325b6a363","target":"graph","created_at":"2026-07-05T01:52:16Z","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/2002.08374/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Infrared observations of Sgr A* probe the region close to the event horizon of the black hole at the Galactic center. These observations can constrain the properties of low-luminosity accretion as well as that of the black hole itself. The GRAVITY instrument at the ESO VLTI has recently detected continuous circular relativistic motion during infrared flares which has been interpreted as orbital motion near the event horizon. Here we analyze the astrometric data from these flares, taking into account the effects of out-of-plane motion and orbital shear of material near the event horizon of the ","authors_text":"A. Amorim, A. Eckart, A. Jim\\'enez-Rosales, A. Sternberg, C. Straubmeier, E. Gendron, E. Sturm, E. Wieprecht, E. Wiezorrek, F. Eisenhauer, F. Gao, F. Vincent, F. Widmann, G. Duvert, G. Perrin, G. Rodriguez Coira, G. Rousset, H. Bonnet, I. Waisberg, J.-B. Le Bouquin, J. Dexter, J.P. Berger, J. Stadler, J. Woillez, K. Perraut, L. Jocou, L.J. Tacconi, M. Habibi, M. Horrobin, N.M. F\\\"orster Schreiber, O. Gerhard, O. Pfuhl, O. Straub, P. Garcia, P. Kervella, P. L\\'ena, P.T. de Zeeuw, R. Abuter, R. Genzel, S. Gillessen, S. Hippler, S. Lacour, S. Rabien, S. Scheithauer, S. von Fellenberg, S. Yazici, The GRAVITY Collaboration: M. Baub\\\"ock, T. Henning, T. Ott, T. Paumard, V. Coud\\'e du Foresto, V. Lapeyr\\`ere, W. Brandner, X. Haubois, Y. Cl\\'enet","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-02-19T19:00:03Z","title":"Modeling the orbital motion of Sgr A*'s near-infrared flares"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2002.08374","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":"sha256:679d030d5d0c527c209e949be9b2939d83bd34ffea3ea8e3174cf563b31880c7","target":"record","created_at":"2026-07-05T01:52:16Z","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":"daffa34fb4c003a00707f147602a4663440e4616644ede861aa1a15f89188bad","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-02-19T19:00:03Z","title_canon_sha256":"469cfc35ba6122845f472ff9dd603f9e2a3e220740c2e2417f5e0440bd2de463"},"schema_version":"1.0","source":{"id":"2002.08374","kind":"arxiv","version":1}},"canonical_sha256":"115ebab39317073ac12d7fe6cd578cf84032fcef057cd978aa9bb352daa65f98","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"115ebab39317073ac12d7fe6cd578cf84032fcef057cd978aa9bb352daa65f98","first_computed_at":"2026-07-05T01:52:16.472751Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:52:16.472751Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"x8rPiaFjkY/eBq9m/jovCkBVwB5iQDJgKpimJK1hue3K59j+18npxRKFAu8tfq015eJpjQubAJSRTy+gT9x/Aw==","signature_status":"signed_v1","signed_at":"2026-07-05T01:52:16.473208Z","signed_message":"canonical_sha256_bytes"},"source_id":"2002.08374","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:679d030d5d0c527c209e949be9b2939d83bd34ffea3ea8e3174cf563b31880c7","sha256:3557c33082e0f7b128b7a197dc33b329066893fd81aa894d8f115bc325b6a363"],"state_sha256":"8dc6fb8a6a1c803d1928138af08aa8b85e56bfaa470ad45597d541b11b9c864c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H5i/Zzw9gzJ8mDhGcTetkx6guqTTMwbbS+ZhJp9dqJrjFCFSpyAsaxQtoDyL6VD4bUs+3floGe/1G67TcOGzAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T12:10:11.727683Z","bundle_sha256":"b8b973820c144bd0460523871f9bbaab7d5683f6821df2047554455162ec70b9"}}