{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:QXWGX2BI2Z7XBIAX7FD624REAG","short_pith_number":"pith:QXWGX2BI","canonical_record":{"source":{"id":"2605.20570","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2026-05-20T00:02:15Z","cross_cats_sorted":[],"title_canon_sha256":"33e18ec956a5367530b6eef3eae1e905d71b497500a123f6f5a72f2cb343e160","abstract_canon_sha256":"47fb9acada027ef736de65302cebde619c4f59e82463f87ac73d344d43781100"},"schema_version":"1.0"},"canonical_sha256":"85ec6be828d67f70a017f947ed722401ab8753aa9ddf6536498ffe42eb1b9acd","source":{"kind":"arxiv","id":"2605.20570","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.20570","created_at":"2026-05-21T01:04:42Z"},{"alias_kind":"arxiv_version","alias_value":"2605.20570v1","created_at":"2026-05-21T01:04:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.20570","created_at":"2026-05-21T01:04:42Z"},{"alias_kind":"pith_short_12","alias_value":"QXWGX2BI2Z7X","created_at":"2026-05-21T01:04:42Z"},{"alias_kind":"pith_short_16","alias_value":"QXWGX2BI2Z7XBIAX","created_at":"2026-05-21T01:04:42Z"},{"alias_kind":"pith_short_8","alias_value":"QXWGX2BI","created_at":"2026-05-21T01:04:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:QXWGX2BI2Z7XBIAX7FD624REAG","target":"record","payload":{"canonical_record":{"source":{"id":"2605.20570","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2026-05-20T00:02:15Z","cross_cats_sorted":[],"title_canon_sha256":"33e18ec956a5367530b6eef3eae1e905d71b497500a123f6f5a72f2cb343e160","abstract_canon_sha256":"47fb9acada027ef736de65302cebde619c4f59e82463f87ac73d344d43781100"},"schema_version":"1.0"},"canonical_sha256":"85ec6be828d67f70a017f947ed722401ab8753aa9ddf6536498ffe42eb1b9acd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-21T01:04:42.817055Z","signature_b64":"08pSBLvUaiTM0laJDmXD/V8ik9FqEqMguaGlXcUFZiQ67KpekIl8qbyQjXtoQ/d5J+VnyakZXv99SePphXMBCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"85ec6be828d67f70a017f947ed722401ab8753aa9ddf6536498ffe42eb1b9acd","last_reissued_at":"2026-05-21T01:04:42.816375Z","signature_status":"signed_v1","first_computed_at":"2026-05-21T01:04:42.816375Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.20570","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":"2026-05-21T01:04:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Sj7oKoeKmrNRiO3j6N8xgLmjBgF0YEDvxwkkEB/xPZsp9RGELBerneO4H89tIP5Go4GAXKXzwGX0G/oGvxCGAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T04:14:13.559559Z"},"content_sha256":"024eb54fd8cef9e38fc5e373dd62e2eebd630e60b3ec937299a8b882f1a78ae0","schema_version":"1.0","event_id":"sha256:024eb54fd8cef9e38fc5e373dd62e2eebd630e60b3ec937299a8b882f1a78ae0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:QXWGX2BI2Z7XBIAX7FD624REAG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"ModMax-black hole surrounded by cloud of strings in Bumblebee gravity","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Abdelmalek Bouzenada, Allan R. P. Moreira, Faizuddin Ahmed, Fernando M. Belchior","submitted_at":"2026-05-20T00:02:15Z","abstract_excerpt":"In this article, we investigate the optical, thermodynamic, and scattering properties of a ModMax black hole surrounded by a cloud of strings within the framework of Einstein-bumblebee gravity. We then analyze in detail the thermodynamic properties of this black hole, including the Hawking temperature, entropy, and other relevant thermodynamic quantities, and examine the outcomes. Furthermore, we study the greybody factors (GFs) associated with the emission of various perturbative fields propagating in this black hole background. In particular, we consider spin-0 scalar fields, spin-1 electrom"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.20570","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/2605.20570/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":"2026-05-21T01:04:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gb0Hsed56MxXJiEVe/lV1pK2NPmPODmn8JxZCvboT3+QvlUu0i+IIi9vyRNeDG8Jkcu0riQ86YRB37bMvyKRAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T04:14:13.560268Z"},"content_sha256":"13cd0b9db81990c49aa944329c027063af2ba273c5efcc6f25a07128d17a6e8e","schema_version":"1.0","event_id":"sha256:13cd0b9db81990c49aa944329c027063af2ba273c5efcc6f25a07128d17a6e8e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QXWGX2BI2Z7XBIAX7FD624REAG/bundle.json","state_url":"https://pith.science/pith/QXWGX2BI2Z7XBIAX7FD624REAG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QXWGX2BI2Z7XBIAX7FD624REAG/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":"2026-05-25T04:14:13Z","links":{"resolver":"https://pith.science/pith/QXWGX2BI2Z7XBIAX7FD624REAG","bundle":"https://pith.science/pith/QXWGX2BI2Z7XBIAX7FD624REAG/bundle.json","state":"https://pith.science/pith/QXWGX2BI2Z7XBIAX7FD624REAG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QXWGX2BI2Z7XBIAX7FD624REAG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:QXWGX2BI2Z7XBIAX7FD624REAG","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":"47fb9acada027ef736de65302cebde619c4f59e82463f87ac73d344d43781100","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2026-05-20T00:02:15Z","title_canon_sha256":"33e18ec956a5367530b6eef3eae1e905d71b497500a123f6f5a72f2cb343e160"},"schema_version":"1.0","source":{"id":"2605.20570","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.20570","created_at":"2026-05-21T01:04:42Z"},{"alias_kind":"arxiv_version","alias_value":"2605.20570v1","created_at":"2026-05-21T01:04:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.20570","created_at":"2026-05-21T01:04:42Z"},{"alias_kind":"pith_short_12","alias_value":"QXWGX2BI2Z7X","created_at":"2026-05-21T01:04:42Z"},{"alias_kind":"pith_short_16","alias_value":"QXWGX2BI2Z7XBIAX","created_at":"2026-05-21T01:04:42Z"},{"alias_kind":"pith_short_8","alias_value":"QXWGX2BI","created_at":"2026-05-21T01:04:42Z"}],"graph_snapshots":[{"event_id":"sha256:13cd0b9db81990c49aa944329c027063af2ba273c5efcc6f25a07128d17a6e8e","target":"graph","created_at":"2026-05-21T01:04:42Z","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/2605.20570/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this article, we investigate the optical, thermodynamic, and scattering properties of a ModMax black hole surrounded by a cloud of strings within the framework of Einstein-bumblebee gravity. We then analyze in detail the thermodynamic properties of this black hole, including the Hawking temperature, entropy, and other relevant thermodynamic quantities, and examine the outcomes. Furthermore, we study the greybody factors (GFs) associated with the emission of various perturbative fields propagating in this black hole background. In particular, we consider spin-0 scalar fields, spin-1 electrom","authors_text":"Abdelmalek Bouzenada, Allan R. P. Moreira, Faizuddin Ahmed, Fernando M. Belchior","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2026-05-20T00:02:15Z","title":"ModMax-black hole surrounded by cloud of strings in Bumblebee gravity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.20570","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":"sha256:024eb54fd8cef9e38fc5e373dd62e2eebd630e60b3ec937299a8b882f1a78ae0","target":"record","created_at":"2026-05-21T01:04:42Z","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":"47fb9acada027ef736de65302cebde619c4f59e82463f87ac73d344d43781100","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2026-05-20T00:02:15Z","title_canon_sha256":"33e18ec956a5367530b6eef3eae1e905d71b497500a123f6f5a72f2cb343e160"},"schema_version":"1.0","source":{"id":"2605.20570","kind":"arxiv","version":1}},"canonical_sha256":"85ec6be828d67f70a017f947ed722401ab8753aa9ddf6536498ffe42eb1b9acd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"85ec6be828d67f70a017f947ed722401ab8753aa9ddf6536498ffe42eb1b9acd","first_computed_at":"2026-05-21T01:04:42.816375Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-21T01:04:42.816375Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"08pSBLvUaiTM0laJDmXD/V8ik9FqEqMguaGlXcUFZiQ67KpekIl8qbyQjXtoQ/d5J+VnyakZXv99SePphXMBCA==","signature_status":"signed_v1","signed_at":"2026-05-21T01:04:42.817055Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.20570","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:024eb54fd8cef9e38fc5e373dd62e2eebd630e60b3ec937299a8b882f1a78ae0","sha256:13cd0b9db81990c49aa944329c027063af2ba273c5efcc6f25a07128d17a6e8e"],"state_sha256":"73a9dd5220d61fdcc7c167544d18d55a7ef4b80ee7bdebe287fd4410a2b9f9ad"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rtf8hXV4BrF1tyq0IhUzRd0ik6uVhUfJMspCHtBAT71ifovkwy7M8E57ExsdcQICnQt++sPtonxRdLKVMFHSAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T04:14:13.563168Z","bundle_sha256":"f17220ec02888569a7bd984c6f4bc197ec7a8e974d0b2f3b4c98079dba80a22b"}}