{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2005:UEYZVW2Z67LXL72O2N6R6NJVFW","short_pith_number":"pith:UEYZVW2Z","canonical_record":{"source":{"id":"hep-th/0502206","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"2005-02-22T22:28:15Z","cross_cats_sorted":["gr-qc","hep-ph","math-ph","math.MP","physics.flu-dyn"],"title_canon_sha256":"7f0ce880f08f64b22f4668ecd14d2d1dda8f88200a1ea79fae238c9e2f3ef484","abstract_canon_sha256":"3024bdfa0841b78815ed384b45f8d731af35539c11de1b3c622e2ed5ab045a8b"},"schema_version":"1.0"},"canonical_sha256":"a1319adb59f7d775ff4ed37d1f35352d95f898cb6a494cf8fdf2d4d1c2cf0e3e","source":{"kind":"arxiv","id":"hep-th/0502206","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/0502206","created_at":"2026-07-04T17:20:48Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/0502206v2","created_at":"2026-07-04T17:20:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/0502206","created_at":"2026-07-04T17:20:48Z"},{"alias_kind":"pith_short_12","alias_value":"UEYZVW2Z67LX","created_at":"2026-07-04T17:20:48Z"},{"alias_kind":"pith_short_16","alias_value":"UEYZVW2Z67LXL72O","created_at":"2026-07-04T17:20:48Z"},{"alias_kind":"pith_short_8","alias_value":"UEYZVW2Z","created_at":"2026-07-04T17:20:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2005:UEYZVW2Z67LXL72O2N6R6NJVFW","target":"record","payload":{"canonical_record":{"source":{"id":"hep-th/0502206","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"2005-02-22T22:28:15Z","cross_cats_sorted":["gr-qc","hep-ph","math-ph","math.MP","physics.flu-dyn"],"title_canon_sha256":"7f0ce880f08f64b22f4668ecd14d2d1dda8f88200a1ea79fae238c9e2f3ef484","abstract_canon_sha256":"3024bdfa0841b78815ed384b45f8d731af35539c11de1b3c622e2ed5ab045a8b"},"schema_version":"1.0"},"canonical_sha256":"a1319adb59f7d775ff4ed37d1f35352d95f898cb6a494cf8fdf2d4d1c2cf0e3e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:20:48.920477Z","signature_b64":"MG6apN6bBTW7ETyfqe2/nIxhMBKie30zFplLBy24/iBlszwfeoJMc0HJa60tVCNYZ5fkaZqZVY+jJNEag5QWCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a1319adb59f7d775ff4ed37d1f35352d95f898cb6a494cf8fdf2d4d1c2cf0e3e","last_reissued_at":"2026-07-04T17:20:48.920085Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:20:48.920085Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-th/0502206","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":"2026-07-04T17:20:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jaxWHcUS9d+qsl3l+CiZZT3pGvv/0DlV8lrAvXz4jFVMCUd2cIIlZEn1YFs5YrccDhUZt0GRTPLGRQi64N13Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T20:15:15.680175Z"},"content_sha256":"f080be1bce9867ab4aafb6bb1b4fa836681bc8d5d726faad686d03d896685d81","schema_version":"1.0","event_id":"sha256:f080be1bce9867ab4aafb6bb1b4fa836681bc8d5d726faad686d03d896685d81"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2005:UEYZVW2Z67LXL72O2N6R6NJVFW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Superradiant instabilities of rotating black branes and strings","license":"","headline":"","cross_cats":["gr-qc","hep-ph","math-ph","math.MP","physics.flu-dyn"],"primary_cat":"hep-th","authors_text":"Shijun Yoshida, Vitor Cardoso","submitted_at":"2005-02-22T22:28:15Z","abstract_excerpt":"Black branes and strings are generally unstable against a certain sector of gravitational perturbations. This is known as the Gregory-Laflamme instability. It has been recently argued that there exists another general instability affecting many rotating extended black objects. This instability is in a sense universal, in that it is triggered by any massless field, and not just gravitational perturbations. Here we investigate this novel mechanism in detail. For this instability to work, two ingredients are necessary: (i) an ergo-region, which gives rise to superradiant amplification of waves, a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/0502206","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/hep-th/0502206/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":"2026-07-04T17:20:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HNACHdV+6mK8Gb3HPdnDvsCSN5yc1vh8H5TCyIbSXJ68dagxecg3uvukkiMZVB0yrfQmYEYNmrhGcgZk8p5tCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T20:15:15.680751Z"},"content_sha256":"4023fe90110242dff485a7cc172a21d52bed9c143cd1edde947c193e71dc681e","schema_version":"1.0","event_id":"sha256:4023fe90110242dff485a7cc172a21d52bed9c143cd1edde947c193e71dc681e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UEYZVW2Z67LXL72O2N6R6NJVFW/bundle.json","state_url":"https://pith.science/pith/UEYZVW2Z67LXL72O2N6R6NJVFW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UEYZVW2Z67LXL72O2N6R6NJVFW/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":"2026-08-04T20:15:15Z","links":{"resolver":"https://pith.science/pith/UEYZVW2Z67LXL72O2N6R6NJVFW","bundle":"https://pith.science/pith/UEYZVW2Z67LXL72O2N6R6NJVFW/bundle.json","state":"https://pith.science/pith/UEYZVW2Z67LXL72O2N6R6NJVFW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UEYZVW2Z67LXL72O2N6R6NJVFW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:UEYZVW2Z67LXL72O2N6R6NJVFW","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":"3024bdfa0841b78815ed384b45f8d731af35539c11de1b3c622e2ed5ab045a8b","cross_cats_sorted":["gr-qc","hep-ph","math-ph","math.MP","physics.flu-dyn"],"license":"","primary_cat":"hep-th","submitted_at":"2005-02-22T22:28:15Z","title_canon_sha256":"7f0ce880f08f64b22f4668ecd14d2d1dda8f88200a1ea79fae238c9e2f3ef484"},"schema_version":"1.0","source":{"id":"hep-th/0502206","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/0502206","created_at":"2026-07-04T17:20:48Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/0502206v2","created_at":"2026-07-04T17:20:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/0502206","created_at":"2026-07-04T17:20:48Z"},{"alias_kind":"pith_short_12","alias_value":"UEYZVW2Z67LX","created_at":"2026-07-04T17:20:48Z"},{"alias_kind":"pith_short_16","alias_value":"UEYZVW2Z67LXL72O","created_at":"2026-07-04T17:20:48Z"},{"alias_kind":"pith_short_8","alias_value":"UEYZVW2Z","created_at":"2026-07-04T17:20:48Z"}],"graph_snapshots":[{"event_id":"sha256:4023fe90110242dff485a7cc172a21d52bed9c143cd1edde947c193e71dc681e","target":"graph","created_at":"2026-07-04T17:20:48Z","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/hep-th/0502206/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Black branes and strings are generally unstable against a certain sector of gravitational perturbations. This is known as the Gregory-Laflamme instability. It has been recently argued that there exists another general instability affecting many rotating extended black objects. This instability is in a sense universal, in that it is triggered by any massless field, and not just gravitational perturbations. Here we investigate this novel mechanism in detail. For this instability to work, two ingredients are necessary: (i) an ergo-region, which gives rise to superradiant amplification of waves, a","authors_text":"Shijun Yoshida, Vitor Cardoso","cross_cats":["gr-qc","hep-ph","math-ph","math.MP","physics.flu-dyn"],"headline":"","license":"","primary_cat":"hep-th","submitted_at":"2005-02-22T22:28:15Z","title":"Superradiant instabilities of rotating black branes and strings"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/0502206","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:f080be1bce9867ab4aafb6bb1b4fa836681bc8d5d726faad686d03d896685d81","target":"record","created_at":"2026-07-04T17:20:48Z","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":"3024bdfa0841b78815ed384b45f8d731af35539c11de1b3c622e2ed5ab045a8b","cross_cats_sorted":["gr-qc","hep-ph","math-ph","math.MP","physics.flu-dyn"],"license":"","primary_cat":"hep-th","submitted_at":"2005-02-22T22:28:15Z","title_canon_sha256":"7f0ce880f08f64b22f4668ecd14d2d1dda8f88200a1ea79fae238c9e2f3ef484"},"schema_version":"1.0","source":{"id":"hep-th/0502206","kind":"arxiv","version":2}},"canonical_sha256":"a1319adb59f7d775ff4ed37d1f35352d95f898cb6a494cf8fdf2d4d1c2cf0e3e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a1319adb59f7d775ff4ed37d1f35352d95f898cb6a494cf8fdf2d4d1c2cf0e3e","first_computed_at":"2026-07-04T17:20:48.920085Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:20:48.920085Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MG6apN6bBTW7ETyfqe2/nIxhMBKie30zFplLBy24/iBlszwfeoJMc0HJa60tVCNYZ5fkaZqZVY+jJNEag5QWCA==","signature_status":"signed_v1","signed_at":"2026-07-04T17:20:48.920477Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-th/0502206","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f080be1bce9867ab4aafb6bb1b4fa836681bc8d5d726faad686d03d896685d81","sha256:4023fe90110242dff485a7cc172a21d52bed9c143cd1edde947c193e71dc681e"],"state_sha256":"4c2e9a11ce44ca94034a35345c6ec34dfa0c5b2440538d356bbff96ed3bb3458"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WeIYJ7NpbBrUqSuXqROTf19HHlGOi0eEKbqX4saHH0x+klsTGoJripk6kXK3+1oIByoUzf9LCCm3FTv+a/v3Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T20:15:15.703720Z","bundle_sha256":"3afe658617cb02cc138a70a33740602737e895043b605063742a200b727c1004"}}