{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:TB2VJV3LND7OCS6WHM556VX7OI","short_pith_number":"pith:TB2VJV3L","canonical_record":{"source":{"id":"1608.03035","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-08-10T03:47:30Z","cross_cats_sorted":[],"title_canon_sha256":"87b56d56c60cdaea0187a86976647d12786e5361c8d5f216f94434b9ccb44a7e","abstract_canon_sha256":"44ed161d3980c9ecad7f0fb4835efc2228568079fc4ede7b5ef3c7b10122deeb"},"schema_version":"1.0"},"canonical_sha256":"987554d76b68fee14bd63b3bdf56ff722d8399c65d97f6aa11a917415300e8ec","source":{"kind":"arxiv","id":"1608.03035","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1608.03035","created_at":"2026-05-18T01:01:22Z"},{"alias_kind":"arxiv_version","alias_value":"1608.03035v1","created_at":"2026-05-18T01:01:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.03035","created_at":"2026-05-18T01:01:22Z"},{"alias_kind":"pith_short_12","alias_value":"TB2VJV3LND7O","created_at":"2026-05-18T12:30:44Z"},{"alias_kind":"pith_short_16","alias_value":"TB2VJV3LND7OCS6W","created_at":"2026-05-18T12:30:44Z"},{"alias_kind":"pith_short_8","alias_value":"TB2VJV3L","created_at":"2026-05-18T12:30:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:TB2VJV3LND7OCS6WHM556VX7OI","target":"record","payload":{"canonical_record":{"source":{"id":"1608.03035","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-08-10T03:47:30Z","cross_cats_sorted":[],"title_canon_sha256":"87b56d56c60cdaea0187a86976647d12786e5361c8d5f216f94434b9ccb44a7e","abstract_canon_sha256":"44ed161d3980c9ecad7f0fb4835efc2228568079fc4ede7b5ef3c7b10122deeb"},"schema_version":"1.0"},"canonical_sha256":"987554d76b68fee14bd63b3bdf56ff722d8399c65d97f6aa11a917415300e8ec","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:01:22.575122Z","signature_b64":"s5JHmQg10K4rVBjNH33tZDu3zi4C55315yqw6WXwfpu6A1gq9aFyG28ijgYgfH0fiO75Y5ZOATOhuUFvIyFeDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"987554d76b68fee14bd63b3bdf56ff722d8399c65d97f6aa11a917415300e8ec","last_reissued_at":"2026-05-18T01:01:22.574636Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:01:22.574636Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1608.03035","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":"2026-05-18T01:01:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/JZIozhM0GLitDfjCQJuvTu9dWrJzvW5jqagKlAAwD+9ZQ0Oj4U18BJYa+IgolTEVjHM7fnzTfFK7ncd+/1EBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T04:30:47.639550Z"},"content_sha256":"cf2e50d65b13886d67d5c2e356eb8a81e68bf09dff0bbfbf835eb10a62b7fae6","schema_version":"1.0","event_id":"sha256:cf2e50d65b13886d67d5c2e356eb8a81e68bf09dff0bbfbf835eb10a62b7fae6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:TB2VJV3LND7OCS6WHM556VX7OI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Effects of Accretion Flow Dynamics on the Black Hole Shadow of Sagittarius A$^{*}$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Hung-Yi Pu, Kazunori Akiyama, Keiichi Asada","submitted_at":"2016-08-10T03:47:30Z","abstract_excerpt":"A radiatively inefficient accretion flow (RIAF), which is commonly characterized by its sub-Keplerian nature, is a favored accretion model for the supermassive black hole at Galactic center, Sagittarius A$^{*}$. To investigate the observable features of a RIAF, we compare the modeled shadow images, visibilities, and spectra of three flow models with dynamics characterized by (i) a Keplerian shell which is rigidly-rotating outside the innermost stable circular orbit (ISCO) and infalling with a constant angular momentum inside ISCO, (ii) a sub-Keplerian motion, and (iii) a free-falling motion wi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.03035","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":"2026-05-18T01:01:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"r1nAcIL0AbjeQvZ1mNV220bPzHyqJnxwHffektGrCixcUxq5dzliPlyNFP0qJHwbf+J7DDN8FTM/mu5d18oWBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T04:30:47.639997Z"},"content_sha256":"a7f70a6611c49137203d2bf64627b1cb7ed50022b8bcf93f91dcbd293c9319e4","schema_version":"1.0","event_id":"sha256:a7f70a6611c49137203d2bf64627b1cb7ed50022b8bcf93f91dcbd293c9319e4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TB2VJV3LND7OCS6WHM556VX7OI/bundle.json","state_url":"https://pith.science/pith/TB2VJV3LND7OCS6WHM556VX7OI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TB2VJV3LND7OCS6WHM556VX7OI/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":"2026-06-04T04:30:47Z","links":{"resolver":"https://pith.science/pith/TB2VJV3LND7OCS6WHM556VX7OI","bundle":"https://pith.science/pith/TB2VJV3LND7OCS6WHM556VX7OI/bundle.json","state":"https://pith.science/pith/TB2VJV3LND7OCS6WHM556VX7OI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TB2VJV3LND7OCS6WHM556VX7OI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:TB2VJV3LND7OCS6WHM556VX7OI","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":"44ed161d3980c9ecad7f0fb4835efc2228568079fc4ede7b5ef3c7b10122deeb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-08-10T03:47:30Z","title_canon_sha256":"87b56d56c60cdaea0187a86976647d12786e5361c8d5f216f94434b9ccb44a7e"},"schema_version":"1.0","source":{"id":"1608.03035","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1608.03035","created_at":"2026-05-18T01:01:22Z"},{"alias_kind":"arxiv_version","alias_value":"1608.03035v1","created_at":"2026-05-18T01:01:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.03035","created_at":"2026-05-18T01:01:22Z"},{"alias_kind":"pith_short_12","alias_value":"TB2VJV3LND7O","created_at":"2026-05-18T12:30:44Z"},{"alias_kind":"pith_short_16","alias_value":"TB2VJV3LND7OCS6W","created_at":"2026-05-18T12:30:44Z"},{"alias_kind":"pith_short_8","alias_value":"TB2VJV3L","created_at":"2026-05-18T12:30:44Z"}],"graph_snapshots":[{"event_id":"sha256:a7f70a6611c49137203d2bf64627b1cb7ed50022b8bcf93f91dcbd293c9319e4","target":"graph","created_at":"2026-05-18T01:01:22Z","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":"A radiatively inefficient accretion flow (RIAF), which is commonly characterized by its sub-Keplerian nature, is a favored accretion model for the supermassive black hole at Galactic center, Sagittarius A$^{*}$. To investigate the observable features of a RIAF, we compare the modeled shadow images, visibilities, and spectra of three flow models with dynamics characterized by (i) a Keplerian shell which is rigidly-rotating outside the innermost stable circular orbit (ISCO) and infalling with a constant angular momentum inside ISCO, (ii) a sub-Keplerian motion, and (iii) a free-falling motion wi","authors_text":"Hung-Yi Pu, Kazunori Akiyama, Keiichi Asada","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-08-10T03:47:30Z","title":"The Effects of Accretion Flow Dynamics on the Black Hole Shadow of Sagittarius A$^{*}$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.03035","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:cf2e50d65b13886d67d5c2e356eb8a81e68bf09dff0bbfbf835eb10a62b7fae6","target":"record","created_at":"2026-05-18T01:01:22Z","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":"44ed161d3980c9ecad7f0fb4835efc2228568079fc4ede7b5ef3c7b10122deeb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-08-10T03:47:30Z","title_canon_sha256":"87b56d56c60cdaea0187a86976647d12786e5361c8d5f216f94434b9ccb44a7e"},"schema_version":"1.0","source":{"id":"1608.03035","kind":"arxiv","version":1}},"canonical_sha256":"987554d76b68fee14bd63b3bdf56ff722d8399c65d97f6aa11a917415300e8ec","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"987554d76b68fee14bd63b3bdf56ff722d8399c65d97f6aa11a917415300e8ec","first_computed_at":"2026-05-18T01:01:22.574636Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:01:22.574636Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"s5JHmQg10K4rVBjNH33tZDu3zi4C55315yqw6WXwfpu6A1gq9aFyG28ijgYgfH0fiO75Y5ZOATOhuUFvIyFeDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:01:22.575122Z","signed_message":"canonical_sha256_bytes"},"source_id":"1608.03035","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cf2e50d65b13886d67d5c2e356eb8a81e68bf09dff0bbfbf835eb10a62b7fae6","sha256:a7f70a6611c49137203d2bf64627b1cb7ed50022b8bcf93f91dcbd293c9319e4"],"state_sha256":"d4e38996966b05a1022f9e0408b1650f42186f4b37524dc65f80c4d6231c1706"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"53rUYETHZBAuZ7W1GTPDtp56GeDL769DHYOCc2U4dn5KPOSWekesoDtX1frW9NVRbGaFWqQ2Bp606rU3iLJEAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T04:30:47.642125Z","bundle_sha256":"67ad407d5c4df665112ffa818dc406ae537c02cbf4129b51dfdda4365f9c5ce5"}}