{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:2RXSL3VZB2UPGZ4OMNDHR3NTNY","short_pith_number":"pith:2RXSL3VZ","canonical_record":{"source":{"id":"2501.09000","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2025-01-15T18:29:32Z","cross_cats_sorted":[],"title_canon_sha256":"6af2d6b8d129d21dd931d03b83babbe0783b958410cdd8ca125b564671bc5521","abstract_canon_sha256":"ee703c86f62446a887a8b37c13b11d1e9abf5dae364bb1ee20aab0d1b7408263"},"schema_version":"1.0"},"canonical_sha256":"d46f25eeb90ea8f3678e634678edb36e36e37a292231d20592ba2d201326f9f0","source":{"kind":"arxiv","id":"2501.09000","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.09000","created_at":"2026-07-05T11:36:27Z"},{"alias_kind":"arxiv_version","alias_value":"2501.09000v2","created_at":"2026-07-05T11:36:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.09000","created_at":"2026-07-05T11:36:27Z"},{"alias_kind":"pith_short_12","alias_value":"2RXSL3VZB2UP","created_at":"2026-07-05T11:36:27Z"},{"alias_kind":"pith_short_16","alias_value":"2RXSL3VZB2UPGZ4O","created_at":"2026-07-05T11:36:27Z"},{"alias_kind":"pith_short_8","alias_value":"2RXSL3VZ","created_at":"2026-07-05T11:36:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:2RXSL3VZB2UPGZ4OMNDHR3NTNY","target":"record","payload":{"canonical_record":{"source":{"id":"2501.09000","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2025-01-15T18:29:32Z","cross_cats_sorted":[],"title_canon_sha256":"6af2d6b8d129d21dd931d03b83babbe0783b958410cdd8ca125b564671bc5521","abstract_canon_sha256":"ee703c86f62446a887a8b37c13b11d1e9abf5dae364bb1ee20aab0d1b7408263"},"schema_version":"1.0"},"canonical_sha256":"d46f25eeb90ea8f3678e634678edb36e36e37a292231d20592ba2d201326f9f0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:36:27.161658Z","signature_b64":"S9JEZ3GWDpD6D8LvrjbYZK6HUhd2eMfMdXND8Gtrua4915JxL2L2ZsNWW7aAGvJTUW1QEvuuA4NBKOfcIkz5BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d46f25eeb90ea8f3678e634678edb36e36e37a292231d20592ba2d201326f9f0","last_reissued_at":"2026-07-05T11:36:27.161156Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:36:27.161156Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2501.09000","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T11:36:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Dju3McRtIXuXm8YKd9afnXPjyEojREDv+jxTezCwc+0U2blbcoDzQJ2YRZtT7Tc94Y3+pE7bd7KclIuk/iPqDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T05:17:10.893746Z"},"content_sha256":"e3b935b0714978d0b7651566c68f9445cfc488abe6b46c04700358fd4d11966f","schema_version":"1.0","event_id":"sha256:e3b935b0714978d0b7651566c68f9445cfc488abe6b46c04700358fd4d11966f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:2RXSL3VZB2UPGZ4OMNDHR3NTNY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Bayesian analysis of analog gravity systems with the Rezzolla-Zhidenko metric","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Saulo Albuquerque, Sebastian H. V\\\"olkel","submitted_at":"2025-01-15T18:29:32Z","abstract_excerpt":"Analog gravity systems have the unique opportunity to probe theoretical aspects of black hole physics in a controlled laboratory environment that one cannot easily observe for astrophysical black holes. In this work, we address the question of whether one could use controlled initial perturbations to excite the black hole ringdown and infer the effective black hole metric. Using a theory-agnostic ansatz for the effective metric described by the Rezzolla-Zhidenko metric and evolving perturbations on that background, we quantify with Bayesian analysis what regions of the effective spacetime coul"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.09000","kind":"arxiv","version":2},"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/2501.09000/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":"2026-07-05T11:36:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+q6ThvJ2ugPm5rJKTK15hwyCXehxhmiG/M2/iMejjfSwl2LsbZbdwZ2OXbyLHgAdjTt1xwokPBDIS01luz7KBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T05:17:10.894507Z"},"content_sha256":"fca37d86560f20a553b43846efc757127de33404304d679835d708265f8e81df","schema_version":"1.0","event_id":"sha256:fca37d86560f20a553b43846efc757127de33404304d679835d708265f8e81df"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2RXSL3VZB2UPGZ4OMNDHR3NTNY/bundle.json","state_url":"https://pith.science/pith/2RXSL3VZB2UPGZ4OMNDHR3NTNY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2RXSL3VZB2UPGZ4OMNDHR3NTNY/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":"2026-08-10T05:17:10Z","links":{"resolver":"https://pith.science/pith/2RXSL3VZB2UPGZ4OMNDHR3NTNY","bundle":"https://pith.science/pith/2RXSL3VZB2UPGZ4OMNDHR3NTNY/bundle.json","state":"https://pith.science/pith/2RXSL3VZB2UPGZ4OMNDHR3NTNY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2RXSL3VZB2UPGZ4OMNDHR3NTNY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:2RXSL3VZB2UPGZ4OMNDHR3NTNY","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":"ee703c86f62446a887a8b37c13b11d1e9abf5dae364bb1ee20aab0d1b7408263","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2025-01-15T18:29:32Z","title_canon_sha256":"6af2d6b8d129d21dd931d03b83babbe0783b958410cdd8ca125b564671bc5521"},"schema_version":"1.0","source":{"id":"2501.09000","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.09000","created_at":"2026-07-05T11:36:27Z"},{"alias_kind":"arxiv_version","alias_value":"2501.09000v2","created_at":"2026-07-05T11:36:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.09000","created_at":"2026-07-05T11:36:27Z"},{"alias_kind":"pith_short_12","alias_value":"2RXSL3VZB2UP","created_at":"2026-07-05T11:36:27Z"},{"alias_kind":"pith_short_16","alias_value":"2RXSL3VZB2UPGZ4O","created_at":"2026-07-05T11:36:27Z"},{"alias_kind":"pith_short_8","alias_value":"2RXSL3VZ","created_at":"2026-07-05T11:36:27Z"}],"graph_snapshots":[{"event_id":"sha256:fca37d86560f20a553b43846efc757127de33404304d679835d708265f8e81df","target":"graph","created_at":"2026-07-05T11:36:27Z","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/2501.09000/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Analog gravity systems have the unique opportunity to probe theoretical aspects of black hole physics in a controlled laboratory environment that one cannot easily observe for astrophysical black holes. In this work, we address the question of whether one could use controlled initial perturbations to excite the black hole ringdown and infer the effective black hole metric. Using a theory-agnostic ansatz for the effective metric described by the Rezzolla-Zhidenko metric and evolving perturbations on that background, we quantify with Bayesian analysis what regions of the effective spacetime coul","authors_text":"Saulo Albuquerque, Sebastian H. V\\\"olkel","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2025-01-15T18:29:32Z","title":"Bayesian analysis of analog gravity systems with the Rezzolla-Zhidenko metric"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.09000","kind":"arxiv","version":2},"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:e3b935b0714978d0b7651566c68f9445cfc488abe6b46c04700358fd4d11966f","target":"record","created_at":"2026-07-05T11:36:27Z","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":"ee703c86f62446a887a8b37c13b11d1e9abf5dae364bb1ee20aab0d1b7408263","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2025-01-15T18:29:32Z","title_canon_sha256":"6af2d6b8d129d21dd931d03b83babbe0783b958410cdd8ca125b564671bc5521"},"schema_version":"1.0","source":{"id":"2501.09000","kind":"arxiv","version":2}},"canonical_sha256":"d46f25eeb90ea8f3678e634678edb36e36e37a292231d20592ba2d201326f9f0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d46f25eeb90ea8f3678e634678edb36e36e37a292231d20592ba2d201326f9f0","first_computed_at":"2026-07-05T11:36:27.161156Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:36:27.161156Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"S9JEZ3GWDpD6D8LvrjbYZK6HUhd2eMfMdXND8Gtrua4915JxL2L2ZsNWW7aAGvJTUW1QEvuuA4NBKOfcIkz5BQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:36:27.161658Z","signed_message":"canonical_sha256_bytes"},"source_id":"2501.09000","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e3b935b0714978d0b7651566c68f9445cfc488abe6b46c04700358fd4d11966f","sha256:fca37d86560f20a553b43846efc757127de33404304d679835d708265f8e81df"],"state_sha256":"10c3573787545b433d4ffbc1df8917680397241bef45362f93d6a1f084ea9a9a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"O/G92zPOkZ1ZJPU6HJDbjI/ZY1JWX3I77S9RLpDA05I5zaVEi5UuO/kWegiX2dZTy0cnLUFCUHvG5PxuEWGrCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T05:17:10.902208Z","bundle_sha256":"70080843d42f0135125df7f38b4bb7187513d0a6f09fd529b9e51a751cb6bdfc"}}