{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:QQPOWTKOLUBB7JROW6MAAF4OEL","short_pith_number":"pith:QQPOWTKO","canonical_record":{"source":{"id":"2109.10729","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-09-22T13:34:42Z","cross_cats_sorted":[],"title_canon_sha256":"f79b18687e4e8c8c9d0262ec322633576fe036b2e9ac0847b7bad3999942907a","abstract_canon_sha256":"2f3125ab73c80d8c63656928b4d4c3805e71de469e4481a791a11cd6dd6f6cfc"},"schema_version":"1.0"},"canonical_sha256":"841eeb4d4e5d021fa62eb79800178e22d3c378189dd59da3a154e2d347f52f1b","source":{"kind":"arxiv","id":"2109.10729","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.10729","created_at":"2026-07-05T03:42:49Z"},{"alias_kind":"arxiv_version","alias_value":"2109.10729v1","created_at":"2026-07-05T03:42:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.10729","created_at":"2026-07-05T03:42:49Z"},{"alias_kind":"pith_short_12","alias_value":"QQPOWTKOLUBB","created_at":"2026-07-05T03:42:49Z"},{"alias_kind":"pith_short_16","alias_value":"QQPOWTKOLUBB7JRO","created_at":"2026-07-05T03:42:49Z"},{"alias_kind":"pith_short_8","alias_value":"QQPOWTKO","created_at":"2026-07-05T03:42:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:QQPOWTKOLUBB7JROW6MAAF4OEL","target":"record","payload":{"canonical_record":{"source":{"id":"2109.10729","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-09-22T13:34:42Z","cross_cats_sorted":[],"title_canon_sha256":"f79b18687e4e8c8c9d0262ec322633576fe036b2e9ac0847b7bad3999942907a","abstract_canon_sha256":"2f3125ab73c80d8c63656928b4d4c3805e71de469e4481a791a11cd6dd6f6cfc"},"schema_version":"1.0"},"canonical_sha256":"841eeb4d4e5d021fa62eb79800178e22d3c378189dd59da3a154e2d347f52f1b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:42:49.336519Z","signature_b64":"RW5eOLcoM5pcGwVLX89ro2fRAEH+C0g3xiXFL6NUIn2oQwjHdIjN9Z9LfvttYm3eHtaOPBBg7dR48iLFBYMnAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"841eeb4d4e5d021fa62eb79800178e22d3c378189dd59da3a154e2d347f52f1b","last_reissued_at":"2026-07-05T03:42:49.336016Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:42:49.336016Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2109.10729","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":"2026-07-05T03:42:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"B8gVAHBFekAIb7RHlIZ20XgXjqrNZY9LCNxbx7iDSseMlA7Vm9Ju1Gfc+cO6TKBwlLiwBDQvIvTdUZ5i2C1WDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T11:48:30.409831Z"},"content_sha256":"e34eedeb2c939cedf0a23e05f8fe74e34bc58e51658d4b6a1fdef69d34fd099c","schema_version":"1.0","event_id":"sha256:e34eedeb2c939cedf0a23e05f8fe74e34bc58e51658d4b6a1fdef69d34fd099c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:QQPOWTKOLUBB7JROW6MAAF4OEL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"What does lie at the Milky Way centre? Insights from the S2 star orbit precession","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Krut, C. R. Arg\\\"uelles, E. A. Becerra-Vergara, J. A. Rueda, M. F. Mestre, R. Ruffini, V. Crespi","submitted_at":"2021-09-22T13:34:42Z","abstract_excerpt":"It has been recently demonstrated that both, a classical Schwarzschild black hole (BH), and a dense concentration of self-gravitating fermionic dark matter (DM) placed at the Galaxy centre, can explain the precise astrometric data (positions and radial velocities) of the S-stars orbiting SgrA*. This result encompasses the 17 best resolved S-stars, and includes the test of general relativistic effects such as the gravitational redshift in the S2-star. In addition, the DM model features another remarkable result: the dense core of fermions is the central region of a continuous density distributi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.10729","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/2109.10729/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":"2026-07-05T03:42:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"juSROAgwlLt6n20br3MQj8JtGBVHdWnXengKHlnYznrTijG40KIbJd9dYBq+nhw53LlATTCxwErsC/6xodpvCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T11:48:30.410413Z"},"content_sha256":"1ee662bb0187d0c92c3cf9866b1e14e68c282ac314074ec24bfda3d864a33632","schema_version":"1.0","event_id":"sha256:1ee662bb0187d0c92c3cf9866b1e14e68c282ac314074ec24bfda3d864a33632"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QQPOWTKOLUBB7JROW6MAAF4OEL/bundle.json","state_url":"https://pith.science/pith/QQPOWTKOLUBB7JROW6MAAF4OEL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QQPOWTKOLUBB7JROW6MAAF4OEL/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":"2026-08-12T11:48:30Z","links":{"resolver":"https://pith.science/pith/QQPOWTKOLUBB7JROW6MAAF4OEL","bundle":"https://pith.science/pith/QQPOWTKOLUBB7JROW6MAAF4OEL/bundle.json","state":"https://pith.science/pith/QQPOWTKOLUBB7JROW6MAAF4OEL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QQPOWTKOLUBB7JROW6MAAF4OEL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:QQPOWTKOLUBB7JROW6MAAF4OEL","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":"2f3125ab73c80d8c63656928b4d4c3805e71de469e4481a791a11cd6dd6f6cfc","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-09-22T13:34:42Z","title_canon_sha256":"f79b18687e4e8c8c9d0262ec322633576fe036b2e9ac0847b7bad3999942907a"},"schema_version":"1.0","source":{"id":"2109.10729","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.10729","created_at":"2026-07-05T03:42:49Z"},{"alias_kind":"arxiv_version","alias_value":"2109.10729v1","created_at":"2026-07-05T03:42:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.10729","created_at":"2026-07-05T03:42:49Z"},{"alias_kind":"pith_short_12","alias_value":"QQPOWTKOLUBB","created_at":"2026-07-05T03:42:49Z"},{"alias_kind":"pith_short_16","alias_value":"QQPOWTKOLUBB7JRO","created_at":"2026-07-05T03:42:49Z"},{"alias_kind":"pith_short_8","alias_value":"QQPOWTKO","created_at":"2026-07-05T03:42:49Z"}],"graph_snapshots":[{"event_id":"sha256:1ee662bb0187d0c92c3cf9866b1e14e68c282ac314074ec24bfda3d864a33632","target":"graph","created_at":"2026-07-05T03:42:49Z","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/2109.10729/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"It has been recently demonstrated that both, a classical Schwarzschild black hole (BH), and a dense concentration of self-gravitating fermionic dark matter (DM) placed at the Galaxy centre, can explain the precise astrometric data (positions and radial velocities) of the S-stars orbiting SgrA*. This result encompasses the 17 best resolved S-stars, and includes the test of general relativistic effects such as the gravitational redshift in the S2-star. In addition, the DM model features another remarkable result: the dense core of fermions is the central region of a continuous density distributi","authors_text":"A. Krut, C. R. Arg\\\"uelles, E. A. Becerra-Vergara, J. A. Rueda, M. F. Mestre, R. Ruffini, V. Crespi","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-09-22T13:34:42Z","title":"What does lie at the Milky Way centre? Insights from the S2 star orbit precession"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.10729","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:e34eedeb2c939cedf0a23e05f8fe74e34bc58e51658d4b6a1fdef69d34fd099c","target":"record","created_at":"2026-07-05T03:42:49Z","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":"2f3125ab73c80d8c63656928b4d4c3805e71de469e4481a791a11cd6dd6f6cfc","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-09-22T13:34:42Z","title_canon_sha256":"f79b18687e4e8c8c9d0262ec322633576fe036b2e9ac0847b7bad3999942907a"},"schema_version":"1.0","source":{"id":"2109.10729","kind":"arxiv","version":1}},"canonical_sha256":"841eeb4d4e5d021fa62eb79800178e22d3c378189dd59da3a154e2d347f52f1b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"841eeb4d4e5d021fa62eb79800178e22d3c378189dd59da3a154e2d347f52f1b","first_computed_at":"2026-07-05T03:42:49.336016Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:42:49.336016Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RW5eOLcoM5pcGwVLX89ro2fRAEH+C0g3xiXFL6NUIn2oQwjHdIjN9Z9LfvttYm3eHtaOPBBg7dR48iLFBYMnAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T03:42:49.336519Z","signed_message":"canonical_sha256_bytes"},"source_id":"2109.10729","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e34eedeb2c939cedf0a23e05f8fe74e34bc58e51658d4b6a1fdef69d34fd099c","sha256:1ee662bb0187d0c92c3cf9866b1e14e68c282ac314074ec24bfda3d864a33632"],"state_sha256":"3c91348b682026a75ca164a474811bc7b0c296d22e5d31f2c07a49fbb556fbd3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"23OPl252VuTU+DSMiI/mgI4uo/iz8Sp29mpE9ogYpVgQ/JGlR5PS6hu3+p+95rSwtguB/4Whv33LOsm42VG5Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T11:48:30.415710Z","bundle_sha256":"3aa8128f8a7de647c7f8f728a3ab18a4413869d26fbc761375207e4fc050f987"}}