{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2005:IYBF627D2MACUIFUT6RQUZY65K","short_pith_number":"pith:IYBF627D","canonical_record":{"source":{"id":"hep-th/0505209","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"2005-05-23T20:33:47Z","cross_cats_sorted":[],"title_canon_sha256":"689bfafba02461236f86488aa99fb19aa861c9e6526c7ee01101c83bb1e24b2d","abstract_canon_sha256":"bccca51b522c0c38e56ac53f24d7b413591657e4ca7373dd0639a06c1912c513"},"schema_version":"1.0"},"canonical_sha256":"46025f6be3d3002a20b49fa30a671eeaa64455404d9c1475cb64c2a110f61008","source":{"kind":"arxiv","id":"hep-th/0505209","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/0505209","created_at":"2026-05-18T01:05:56Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/0505209v2","created_at":"2026-05-18T01:05:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/0505209","created_at":"2026-05-18T01:05:56Z"},{"alias_kind":"pith_short_12","alias_value":"IYBF627D2MAC","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"IYBF627D2MACUIFU","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"IYBF627D","created_at":"2026-05-18T12:25:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2005:IYBF627D2MACUIFUT6RQUZY65K","target":"record","payload":{"canonical_record":{"source":{"id":"hep-th/0505209","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"2005-05-23T20:33:47Z","cross_cats_sorted":[],"title_canon_sha256":"689bfafba02461236f86488aa99fb19aa861c9e6526c7ee01101c83bb1e24b2d","abstract_canon_sha256":"bccca51b522c0c38e56ac53f24d7b413591657e4ca7373dd0639a06c1912c513"},"schema_version":"1.0"},"canonical_sha256":"46025f6be3d3002a20b49fa30a671eeaa64455404d9c1475cb64c2a110f61008","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:05:56.962580Z","signature_b64":"+LrLFs410oFd5AF6fbO293/z5XyBOEbv1pY2vddnh/ONqmVwedA1ecjiB2DpyfRMlchv+gjnXDBorE7EWiq5Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"46025f6be3d3002a20b49fa30a671eeaa64455404d9c1475cb64c2a110f61008","last_reissued_at":"2026-05-18T01:05:56.962040Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:05:56.962040Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-th/0505209","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":"2026-05-18T01:05:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JDFTC4QJQIS3uvQ61K4MavLTKJh7b148tb6lYww3eBKuE/iulIw8EzHsYzeCETVZufWZYxxAJNDQ6a9iwv5hBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T03:47:33.586083Z"},"content_sha256":"e713f7a0f20df9ba9317729261bc427daa3eda50fe56d2aac00f25ba749a62f2","schema_version":"1.0","event_id":"sha256:e713f7a0f20df9ba9317729261bc427daa3eda50fe56d2aac00f25ba749a62f2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2005:IYBF627D2MACUIFUT6RQUZY65K","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Perturbations and absorption cross-section of infinite-radius black rings","license":"","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Oscar J. C. Dias, Shijun Yoshida, Vitor Cardoso","submitted_at":"2005-05-23T20:33:47Z","abstract_excerpt":"We study scalar field perturbations on the background of non-supersymmetric black rings and of supersymmetric black rings. In the infinite-radius limit of these geometries, we are able to separate the wave equation, and to study wave phenomena in its vicinities. In this limit, we show that (i) both geometries are stable against scalar field perturbations, (ii) the absorption cross-section for scalar fields is equal to the area of the event horizon in the supersymmetric case, and proportional to it in the non-supersymmetric situation."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/0505209","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":""},"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":"2026-05-18T01:05:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ENZUkZ5IQJmpb3wx3snN96Y2gbuTlxifX568AoVEKmVZZAvQATYcFAiJnbAnO09vW28HP0UA5rq8wBkWKeOcDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T03:47:33.586776Z"},"content_sha256":"865f32127336b303be9eb6cf8d0d6939dd5db0fe7553faa2d346194cff82ab56","schema_version":"1.0","event_id":"sha256:865f32127336b303be9eb6cf8d0d6939dd5db0fe7553faa2d346194cff82ab56"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IYBF627D2MACUIFUT6RQUZY65K/bundle.json","state_url":"https://pith.science/pith/IYBF627D2MACUIFUT6RQUZY65K/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IYBF627D2MACUIFUT6RQUZY65K/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":"2026-05-24T03:47:33Z","links":{"resolver":"https://pith.science/pith/IYBF627D2MACUIFUT6RQUZY65K","bundle":"https://pith.science/pith/IYBF627D2MACUIFUT6RQUZY65K/bundle.json","state":"https://pith.science/pith/IYBF627D2MACUIFUT6RQUZY65K/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IYBF627D2MACUIFUT6RQUZY65K/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:IYBF627D2MACUIFUT6RQUZY65K","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":"bccca51b522c0c38e56ac53f24d7b413591657e4ca7373dd0639a06c1912c513","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"2005-05-23T20:33:47Z","title_canon_sha256":"689bfafba02461236f86488aa99fb19aa861c9e6526c7ee01101c83bb1e24b2d"},"schema_version":"1.0","source":{"id":"hep-th/0505209","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/0505209","created_at":"2026-05-18T01:05:56Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/0505209v2","created_at":"2026-05-18T01:05:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/0505209","created_at":"2026-05-18T01:05:56Z"},{"alias_kind":"pith_short_12","alias_value":"IYBF627D2MAC","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"IYBF627D2MACUIFU","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"IYBF627D","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:865f32127336b303be9eb6cf8d0d6939dd5db0fe7553faa2d346194cff82ab56","target":"graph","created_at":"2026-05-18T01:05:56Z","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 study scalar field perturbations on the background of non-supersymmetric black rings and of supersymmetric black rings. In the infinite-radius limit of these geometries, we are able to separate the wave equation, and to study wave phenomena in its vicinities. In this limit, we show that (i) both geometries are stable against scalar field perturbations, (ii) the absorption cross-section for scalar fields is equal to the area of the event horizon in the supersymmetric case, and proportional to it in the non-supersymmetric situation.","authors_text":"Oscar J. C. Dias, Shijun Yoshida, Vitor Cardoso","cross_cats":[],"headline":"","license":"","primary_cat":"hep-th","submitted_at":"2005-05-23T20:33:47Z","title":"Perturbations and absorption cross-section of infinite-radius black rings"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/0505209","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:e713f7a0f20df9ba9317729261bc427daa3eda50fe56d2aac00f25ba749a62f2","target":"record","created_at":"2026-05-18T01:05:56Z","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":"bccca51b522c0c38e56ac53f24d7b413591657e4ca7373dd0639a06c1912c513","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"2005-05-23T20:33:47Z","title_canon_sha256":"689bfafba02461236f86488aa99fb19aa861c9e6526c7ee01101c83bb1e24b2d"},"schema_version":"1.0","source":{"id":"hep-th/0505209","kind":"arxiv","version":2}},"canonical_sha256":"46025f6be3d3002a20b49fa30a671eeaa64455404d9c1475cb64c2a110f61008","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"46025f6be3d3002a20b49fa30a671eeaa64455404d9c1475cb64c2a110f61008","first_computed_at":"2026-05-18T01:05:56.962040Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:05:56.962040Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+LrLFs410oFd5AF6fbO293/z5XyBOEbv1pY2vddnh/ONqmVwedA1ecjiB2DpyfRMlchv+gjnXDBorE7EWiq5Ag==","signature_status":"signed_v1","signed_at":"2026-05-18T01:05:56.962580Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-th/0505209","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e713f7a0f20df9ba9317729261bc427daa3eda50fe56d2aac00f25ba749a62f2","sha256:865f32127336b303be9eb6cf8d0d6939dd5db0fe7553faa2d346194cff82ab56"],"state_sha256":"6d16ffc1f30b04b6ee936d3610c5ad74b8898eeb44d81cf92c038b13b4f58235"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vdcnd4i5T8ckD7b8KpQLIfylpptjuZEFl5gv5a5Ywxb2MSE3/mXi3RAMwNLnw8tJhZUT/2l2x68+qHHXe5/OBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T03:47:33.590995Z","bundle_sha256":"e077e851b44a95ea0bd831470a642269aface9aa164e64875bb5399a1543f278"}}