{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:2L2XOKIMFYICXE5ZYS2WGTPKJ6","short_pith_number":"pith:2L2XOKIM","canonical_record":{"source":{"id":"2405.17408","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-05-27T17:56:05Z","cross_cats_sorted":[],"title_canon_sha256":"4c42f23e24b7875f7b6e993f2e6007803c24c7d194df8979db079fb9f1c1dbc6","abstract_canon_sha256":"d3b2e4e8d0e87913c33d4df53f1eef21cb2b4b6ca299acc13d7b1cf5f1fb2bd5"},"schema_version":"1.0"},"canonical_sha256":"d2f577290c2e102b93b9c4b5634dea4faaaa823abea7a33c6cc3cdd3b52e9c91","source":{"kind":"arxiv","id":"2405.17408","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.17408","created_at":"2026-07-05T08:23:44Z"},{"alias_kind":"arxiv_version","alias_value":"2405.17408v1","created_at":"2026-07-05T08:23:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.17408","created_at":"2026-07-05T08:23:44Z"},{"alias_kind":"pith_short_12","alias_value":"2L2XOKIMFYIC","created_at":"2026-07-05T08:23:44Z"},{"alias_kind":"pith_short_16","alias_value":"2L2XOKIMFYICXE5Z","created_at":"2026-07-05T08:23:44Z"},{"alias_kind":"pith_short_8","alias_value":"2L2XOKIM","created_at":"2026-07-05T08:23:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:2L2XOKIMFYICXE5ZYS2WGTPKJ6","target":"record","payload":{"canonical_record":{"source":{"id":"2405.17408","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-05-27T17:56:05Z","cross_cats_sorted":[],"title_canon_sha256":"4c42f23e24b7875f7b6e993f2e6007803c24c7d194df8979db079fb9f1c1dbc6","abstract_canon_sha256":"d3b2e4e8d0e87913c33d4df53f1eef21cb2b4b6ca299acc13d7b1cf5f1fb2bd5"},"schema_version":"1.0"},"canonical_sha256":"d2f577290c2e102b93b9c4b5634dea4faaaa823abea7a33c6cc3cdd3b52e9c91","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:23:44.008870Z","signature_b64":"BuP68zEl35K/vgp3yD8nNs8RXl3gFvm57L1v7C0UOub89U2KbfPiHjsWpkDdE0QSHtsyeodvCZlXOWK74aYHCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d2f577290c2e102b93b9c4b5634dea4faaaa823abea7a33c6cc3cdd3b52e9c91","last_reissued_at":"2026-07-05T08:23:44.008402Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:23:44.008402Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2405.17408","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":"2026-07-05T08:23:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wM8drkEZxGijnTK0tafwWH/PwKB+U8TNKsMtA6CMOl7hXh32zX4TWEZV62hUdK3cnP9Z8snV9zwtIPetJcE2DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T17:07:42.306080Z"},"content_sha256":"fafc352e00eba68814083b6bc69f9c02a5313cf28196a34ca1880c411cf2ae54","schema_version":"1.0","event_id":"sha256:fafc352e00eba68814083b6bc69f9c02a5313cf28196a34ca1880c411cf2ae54"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:2L2XOKIMFYICXE5ZYS2WGTPKJ6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Revisiting flares in Sagittarius A* based on general relativistic magnetohydrodynamic numerical simulations of black hole accretion","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Lin Xi, Yuan Feng","submitted_at":"2024-05-27T17:56:05Z","abstract_excerpt":"High-resolution observations with GRAVITY-VLTI instrument have provided abundant information about the flares in Sgr A*, the supermassive black hole in our Galactic center, including the time-dependent location of the centroid (a \"hot spot\"), the light curve, and polarization. Yuan et al. (2009) proposed a \"coronal mass ejection\" model to explain the flares and their association with the plasma ejection. The key idea is that magnetic reconnection in the accretion flow produces the flares and results in the formation and ejection of flux ropes. The dynamical process proposed in the model has be"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.17408","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/2405.17408/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":"2026-07-05T08:23:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lIAtg8X/zakBUcGnAi9v7CCcRT55nfv0ZWenmg+lj+HSmH1axLk+DAgFxz5mziOnb2/UOZ1i2a3SelVPN5+qCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T17:07:42.306581Z"},"content_sha256":"7459325fa7b1b7b49eafd7ea5066a6f50fd396abfbd61e97d1006c27d406fa3d","schema_version":"1.0","event_id":"sha256:7459325fa7b1b7b49eafd7ea5066a6f50fd396abfbd61e97d1006c27d406fa3d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2L2XOKIMFYICXE5ZYS2WGTPKJ6/bundle.json","state_url":"https://pith.science/pith/2L2XOKIMFYICXE5ZYS2WGTPKJ6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2L2XOKIMFYICXE5ZYS2WGTPKJ6/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":"2026-08-06T17:07:42Z","links":{"resolver":"https://pith.science/pith/2L2XOKIMFYICXE5ZYS2WGTPKJ6","bundle":"https://pith.science/pith/2L2XOKIMFYICXE5ZYS2WGTPKJ6/bundle.json","state":"https://pith.science/pith/2L2XOKIMFYICXE5ZYS2WGTPKJ6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2L2XOKIMFYICXE5ZYS2WGTPKJ6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:2L2XOKIMFYICXE5ZYS2WGTPKJ6","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":"d3b2e4e8d0e87913c33d4df53f1eef21cb2b4b6ca299acc13d7b1cf5f1fb2bd5","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-05-27T17:56:05Z","title_canon_sha256":"4c42f23e24b7875f7b6e993f2e6007803c24c7d194df8979db079fb9f1c1dbc6"},"schema_version":"1.0","source":{"id":"2405.17408","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.17408","created_at":"2026-07-05T08:23:44Z"},{"alias_kind":"arxiv_version","alias_value":"2405.17408v1","created_at":"2026-07-05T08:23:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.17408","created_at":"2026-07-05T08:23:44Z"},{"alias_kind":"pith_short_12","alias_value":"2L2XOKIMFYIC","created_at":"2026-07-05T08:23:44Z"},{"alias_kind":"pith_short_16","alias_value":"2L2XOKIMFYICXE5Z","created_at":"2026-07-05T08:23:44Z"},{"alias_kind":"pith_short_8","alias_value":"2L2XOKIM","created_at":"2026-07-05T08:23:44Z"}],"graph_snapshots":[{"event_id":"sha256:7459325fa7b1b7b49eafd7ea5066a6f50fd396abfbd61e97d1006c27d406fa3d","target":"graph","created_at":"2026-07-05T08:23:44Z","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/2405.17408/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"High-resolution observations with GRAVITY-VLTI instrument have provided abundant information about the flares in Sgr A*, the supermassive black hole in our Galactic center, including the time-dependent location of the centroid (a \"hot spot\"), the light curve, and polarization. Yuan et al. (2009) proposed a \"coronal mass ejection\" model to explain the flares and their association with the plasma ejection. The key idea is that magnetic reconnection in the accretion flow produces the flares and results in the formation and ejection of flux ropes. The dynamical process proposed in the model has be","authors_text":"Lin Xi, Yuan Feng","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-05-27T17:56:05Z","title":"Revisiting flares in Sagittarius A* based on general relativistic magnetohydrodynamic numerical simulations of black hole accretion"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.17408","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:fafc352e00eba68814083b6bc69f9c02a5313cf28196a34ca1880c411cf2ae54","target":"record","created_at":"2026-07-05T08:23:44Z","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":"d3b2e4e8d0e87913c33d4df53f1eef21cb2b4b6ca299acc13d7b1cf5f1fb2bd5","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-05-27T17:56:05Z","title_canon_sha256":"4c42f23e24b7875f7b6e993f2e6007803c24c7d194df8979db079fb9f1c1dbc6"},"schema_version":"1.0","source":{"id":"2405.17408","kind":"arxiv","version":1}},"canonical_sha256":"d2f577290c2e102b93b9c4b5634dea4faaaa823abea7a33c6cc3cdd3b52e9c91","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d2f577290c2e102b93b9c4b5634dea4faaaa823abea7a33c6cc3cdd3b52e9c91","first_computed_at":"2026-07-05T08:23:44.008402Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:23:44.008402Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BuP68zEl35K/vgp3yD8nNs8RXl3gFvm57L1v7C0UOub89U2KbfPiHjsWpkDdE0QSHtsyeodvCZlXOWK74aYHCg==","signature_status":"signed_v1","signed_at":"2026-07-05T08:23:44.008870Z","signed_message":"canonical_sha256_bytes"},"source_id":"2405.17408","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fafc352e00eba68814083b6bc69f9c02a5313cf28196a34ca1880c411cf2ae54","sha256:7459325fa7b1b7b49eafd7ea5066a6f50fd396abfbd61e97d1006c27d406fa3d"],"state_sha256":"7f22346b3256298701dbe8e4237897c7604413e6a1ce48ebab5d7d0f751fe607"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gYcZ/QKigTZBbasXytGP9TjuFxWrpKeBAIRK6/MVMWWtdmrgJFolv8Nhbq38Jk4ngmYXXR6mGSmltfA1p6jNAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T17:07:42.310318Z","bundle_sha256":"9bb6c47005a76fe471aa4189b32775542be857658ad8c6d290584bf12db32e37"}}