{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:TTN2HFBBLWEXBPC4K5APDBMJKO","short_pith_number":"pith:TTN2HFBB","canonical_record":{"source":{"id":"1212.4149","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-12-17T21:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"5e5605fbde6a7d066f09c3b13b48136deb99378f80d7876dc853d9446ada1b2d","abstract_canon_sha256":"56359c94f8238bc844edca5f4091bcf5a7e78637e6db4cfe0c10e174970cf864"},"schema_version":"1.0"},"canonical_sha256":"9cdba394215d8970bc5c5740f1858953bcb3c6cfa9fae5aff265c389f5065a99","source":{"kind":"arxiv","id":"1212.4149","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.4149","created_at":"2026-05-18T01:52:31Z"},{"alias_kind":"arxiv_version","alias_value":"1212.4149v1","created_at":"2026-05-18T01:52:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.4149","created_at":"2026-05-18T01:52:31Z"},{"alias_kind":"pith_short_12","alias_value":"TTN2HFBBLWEX","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"TTN2HFBBLWEXBPC4","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"TTN2HFBB","created_at":"2026-05-18T12:27:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:TTN2HFBBLWEXBPC4K5APDBMJKO","target":"record","payload":{"canonical_record":{"source":{"id":"1212.4149","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-12-17T21:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"5e5605fbde6a7d066f09c3b13b48136deb99378f80d7876dc853d9446ada1b2d","abstract_canon_sha256":"56359c94f8238bc844edca5f4091bcf5a7e78637e6db4cfe0c10e174970cf864"},"schema_version":"1.0"},"canonical_sha256":"9cdba394215d8970bc5c5740f1858953bcb3c6cfa9fae5aff265c389f5065a99","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:52:31.342045Z","signature_b64":"UyQK2aRrZmCiMwkHwLtGzRBPtIfFdr201ZNQB4o1CL6Xg05XY7NvDZb3ftZWaYMPSzkm2jXzGAMiEsPjK5sLDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9cdba394215d8970bc5c5740f1858953bcb3c6cfa9fae5aff265c389f5065a99","last_reissued_at":"2026-05-18T01:52:31.341627Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:52:31.341627Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1212.4149","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":"2026-05-18T01:52:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VM4XakK8uGbqtwFgchSxG7j+T9Gnd1imupS7+Z4hGq13B3K4qfMxRGT/US5hX55tJfv0ak1I13YvFW2sba/lDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T19:19:01.445143Z"},"content_sha256":"b12c934e677bad2cab3d80f6eb6468b8d4f117bcf51685ddcaf98da77bb76b25","schema_version":"1.0","event_id":"sha256:b12c934e677bad2cab3d80f6eb6468b8d4f117bcf51685ddcaf98da77bb76b25"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:TTN2HFBBLWEXBPC4K5APDBMJKO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Constraining the Accretion Flow in Sgr A* by General Relativistic Dynamical and Polarized Radiative Modeling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Jonathan C. McKinney, Robert F. Penna, Roman V. Shcherbakov","submitted_at":"2012-12-17T21:00:02Z","abstract_excerpt":"We briefly summarize the method of simulating Sgr A* polarized sub-mm spectra from the accretion flow and fitting the observed spectrum. The dynamical flow model is based on three-dimensional general relativistic magneto hydrodynamic simulations. Fully self-consistent radiative transfer of polarized cyclo-synchrotron emission is performed. We compile a mean sub-mm spectrum of Sgr A* and fit it with the mean simulated spectra. We estimate the ranges of inclination angle theta=42-75deg, mass accretion rate Mdot=(1.4-7.0)*10^{-8}Msun/yr, and electron temperature Te=(3-4)*10^{10}K at 6M. We discus"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.4149","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":"2026-05-18T01:52:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4RL4UQtwW8AKuiDcJ8jdWyjEj7//qEYJ/eQptooeVtIA5Mn2AnovC+sE+Plq0tpWaWO7POe2lfY/HLuO4LcPDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T19:19:01.445888Z"},"content_sha256":"2765fd4f9fd692ae36f5f2aa4304c38a22fb966a0aaeff3f38c70cc48139e303","schema_version":"1.0","event_id":"sha256:2765fd4f9fd692ae36f5f2aa4304c38a22fb966a0aaeff3f38c70cc48139e303"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TTN2HFBBLWEXBPC4K5APDBMJKO/bundle.json","state_url":"https://pith.science/pith/TTN2HFBBLWEXBPC4K5APDBMJKO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TTN2HFBBLWEXBPC4K5APDBMJKO/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":"2026-05-25T19:19:01Z","links":{"resolver":"https://pith.science/pith/TTN2HFBBLWEXBPC4K5APDBMJKO","bundle":"https://pith.science/pith/TTN2HFBBLWEXBPC4K5APDBMJKO/bundle.json","state":"https://pith.science/pith/TTN2HFBBLWEXBPC4K5APDBMJKO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TTN2HFBBLWEXBPC4K5APDBMJKO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:TTN2HFBBLWEXBPC4K5APDBMJKO","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":"56359c94f8238bc844edca5f4091bcf5a7e78637e6db4cfe0c10e174970cf864","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-12-17T21:00:02Z","title_canon_sha256":"5e5605fbde6a7d066f09c3b13b48136deb99378f80d7876dc853d9446ada1b2d"},"schema_version":"1.0","source":{"id":"1212.4149","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.4149","created_at":"2026-05-18T01:52:31Z"},{"alias_kind":"arxiv_version","alias_value":"1212.4149v1","created_at":"2026-05-18T01:52:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.4149","created_at":"2026-05-18T01:52:31Z"},{"alias_kind":"pith_short_12","alias_value":"TTN2HFBBLWEX","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"TTN2HFBBLWEXBPC4","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"TTN2HFBB","created_at":"2026-05-18T12:27:23Z"}],"graph_snapshots":[{"event_id":"sha256:2765fd4f9fd692ae36f5f2aa4304c38a22fb966a0aaeff3f38c70cc48139e303","target":"graph","created_at":"2026-05-18T01:52:31Z","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":"We briefly summarize the method of simulating Sgr A* polarized sub-mm spectra from the accretion flow and fitting the observed spectrum. The dynamical flow model is based on three-dimensional general relativistic magneto hydrodynamic simulations. Fully self-consistent radiative transfer of polarized cyclo-synchrotron emission is performed. We compile a mean sub-mm spectrum of Sgr A* and fit it with the mean simulated spectra. We estimate the ranges of inclination angle theta=42-75deg, mass accretion rate Mdot=(1.4-7.0)*10^{-8}Msun/yr, and electron temperature Te=(3-4)*10^{10}K at 6M. We discus","authors_text":"Jonathan C. McKinney, Robert F. Penna, Roman V. Shcherbakov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-12-17T21:00:02Z","title":"Constraining the Accretion Flow in Sgr A* by General Relativistic Dynamical and Polarized Radiative Modeling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.4149","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:b12c934e677bad2cab3d80f6eb6468b8d4f117bcf51685ddcaf98da77bb76b25","target":"record","created_at":"2026-05-18T01:52:31Z","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":"56359c94f8238bc844edca5f4091bcf5a7e78637e6db4cfe0c10e174970cf864","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-12-17T21:00:02Z","title_canon_sha256":"5e5605fbde6a7d066f09c3b13b48136deb99378f80d7876dc853d9446ada1b2d"},"schema_version":"1.0","source":{"id":"1212.4149","kind":"arxiv","version":1}},"canonical_sha256":"9cdba394215d8970bc5c5740f1858953bcb3c6cfa9fae5aff265c389f5065a99","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9cdba394215d8970bc5c5740f1858953bcb3c6cfa9fae5aff265c389f5065a99","first_computed_at":"2026-05-18T01:52:31.341627Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:52:31.341627Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UyQK2aRrZmCiMwkHwLtGzRBPtIfFdr201ZNQB4o1CL6Xg05XY7NvDZb3ftZWaYMPSzkm2jXzGAMiEsPjK5sLDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:52:31.342045Z","signed_message":"canonical_sha256_bytes"},"source_id":"1212.4149","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b12c934e677bad2cab3d80f6eb6468b8d4f117bcf51685ddcaf98da77bb76b25","sha256:2765fd4f9fd692ae36f5f2aa4304c38a22fb966a0aaeff3f38c70cc48139e303"],"state_sha256":"151a7da2bcb39a81c7300490fd22bd65eb40691df95d6fb8657acae4add1bf22"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QPTWkmyaWULs8DUALdAug77LvT+Ug0X+8B08FGnj5zB4mpUebEs0m8uzf7NqTFGLkh9ksPfY6jquXTFJgXcxCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T19:19:01.449777Z","bundle_sha256":"d4391fb4883335d004d591632eecf9079984976962350be7ad3b7ee4503c98f8"}}