{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:NB5MTGFCH76BE5AY4G6DCOQAZ3","short_pith_number":"pith:NB5MTGFC","canonical_record":{"source":{"id":"2408.13559","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2024-08-24T11:54:21Z","cross_cats_sorted":[],"title_canon_sha256":"6e75474d57bfd0004d12f015f7a324dd42c05ea327f344639707d7243132a287","abstract_canon_sha256":"d5879e01719f3a28134454658555b7e55b8c4b2f14a4de8c27a33151d5f529cd"},"schema_version":"1.0"},"canonical_sha256":"687ac998a23ffc127418e1bc313a00cee9ecf9e88a05d53b40a2b8480a12fa46","source":{"kind":"arxiv","id":"2408.13559","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2408.13559","created_at":"2026-07-05T08:58:52Z"},{"alias_kind":"arxiv_version","alias_value":"2408.13559v1","created_at":"2026-07-05T08:58:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2408.13559","created_at":"2026-07-05T08:58:52Z"},{"alias_kind":"pith_short_12","alias_value":"NB5MTGFCH76B","created_at":"2026-07-05T08:58:52Z"},{"alias_kind":"pith_short_16","alias_value":"NB5MTGFCH76BE5AY","created_at":"2026-07-05T08:58:52Z"},{"alias_kind":"pith_short_8","alias_value":"NB5MTGFC","created_at":"2026-07-05T08:58:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:NB5MTGFCH76BE5AY4G6DCOQAZ3","target":"record","payload":{"canonical_record":{"source":{"id":"2408.13559","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2024-08-24T11:54:21Z","cross_cats_sorted":[],"title_canon_sha256":"6e75474d57bfd0004d12f015f7a324dd42c05ea327f344639707d7243132a287","abstract_canon_sha256":"d5879e01719f3a28134454658555b7e55b8c4b2f14a4de8c27a33151d5f529cd"},"schema_version":"1.0"},"canonical_sha256":"687ac998a23ffc127418e1bc313a00cee9ecf9e88a05d53b40a2b8480a12fa46","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:58:52.330953Z","signature_b64":"NZ4HiGCIYPNFw1ccXAp5DJXZJm5kNkzMcgI9biYMH68IiQzVDRfOLHeJSPKLIxb6FAu0TFeruXaTdGWBBOWTAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"687ac998a23ffc127418e1bc313a00cee9ecf9e88a05d53b40a2b8480a12fa46","last_reissued_at":"2026-07-05T08:58:52.330581Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:58:52.330581Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2408.13559","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":"2026-07-05T08:58:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Scizh3Jtnp+LjZiaPOpP7ViHIvSw4bWZapKA5K3KoWaXCPa0fX6JZ6gLQCRemZB0C+/gsd9oUsYHNzdsf4t3Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T03:20:47.241900Z"},"content_sha256":"1b5bfc76174a7539da9f21b377889df9def5a6c97a97c96ec88522d1fc9b6162","schema_version":"1.0","event_id":"sha256:1b5bfc76174a7539da9f21b377889df9def5a6c97a97c96ec88522d1fc9b6162"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:NB5MTGFCH76BE5AY4G6DCOQAZ3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Interaction of a black hole with scalar field in cosmology background","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Malik Almatwi","submitted_at":"2024-08-24T11:54:21Z","abstract_excerpt":"Recent data from elliptical galaxies indicate that the growth in the masses of black holes exceeds what is expected from the accretion of surrounding matter, and this growth appears to be dependent on the expansion of the universe. This phenomenon can be explained by considering the accretion of dark energy, which is responsible for cosmological expansion, into these black holes. In this paper, we investigate the perturbative interaction of a black hole with a real scalar field $\\phi$ (which can represent dark energy) in a cosmological background using an appropriate metric. We derive solution"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2408.13559","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/2408.13559/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":"2026-07-05T08:58:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YYqYjv2fbrOjt5xyGV8rLSXq0/SURphW3T7EvX+0lFvPbIFaOouKiHFtMF3cowHt1MV2p18omGM93bgPW1DBCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T03:20:47.242400Z"},"content_sha256":"418d5ff3073aeeeca6d16a88d811bc1760eb9633f6c7790c3534b031fadf419e","schema_version":"1.0","event_id":"sha256:418d5ff3073aeeeca6d16a88d811bc1760eb9633f6c7790c3534b031fadf419e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NB5MTGFCH76BE5AY4G6DCOQAZ3/bundle.json","state_url":"https://pith.science/pith/NB5MTGFCH76BE5AY4G6DCOQAZ3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NB5MTGFCH76BE5AY4G6DCOQAZ3/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":"2026-08-17T03:20:47Z","links":{"resolver":"https://pith.science/pith/NB5MTGFCH76BE5AY4G6DCOQAZ3","bundle":"https://pith.science/pith/NB5MTGFCH76BE5AY4G6DCOQAZ3/bundle.json","state":"https://pith.science/pith/NB5MTGFCH76BE5AY4G6DCOQAZ3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NB5MTGFCH76BE5AY4G6DCOQAZ3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:NB5MTGFCH76BE5AY4G6DCOQAZ3","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":"d5879e01719f3a28134454658555b7e55b8c4b2f14a4de8c27a33151d5f529cd","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2024-08-24T11:54:21Z","title_canon_sha256":"6e75474d57bfd0004d12f015f7a324dd42c05ea327f344639707d7243132a287"},"schema_version":"1.0","source":{"id":"2408.13559","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2408.13559","created_at":"2026-07-05T08:58:52Z"},{"alias_kind":"arxiv_version","alias_value":"2408.13559v1","created_at":"2026-07-05T08:58:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2408.13559","created_at":"2026-07-05T08:58:52Z"},{"alias_kind":"pith_short_12","alias_value":"NB5MTGFCH76B","created_at":"2026-07-05T08:58:52Z"},{"alias_kind":"pith_short_16","alias_value":"NB5MTGFCH76BE5AY","created_at":"2026-07-05T08:58:52Z"},{"alias_kind":"pith_short_8","alias_value":"NB5MTGFC","created_at":"2026-07-05T08:58:52Z"}],"graph_snapshots":[{"event_id":"sha256:418d5ff3073aeeeca6d16a88d811bc1760eb9633f6c7790c3534b031fadf419e","target":"graph","created_at":"2026-07-05T08:58:52Z","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/2408.13559/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Recent data from elliptical galaxies indicate that the growth in the masses of black holes exceeds what is expected from the accretion of surrounding matter, and this growth appears to be dependent on the expansion of the universe. This phenomenon can be explained by considering the accretion of dark energy, which is responsible for cosmological expansion, into these black holes. In this paper, we investigate the perturbative interaction of a black hole with a real scalar field $\\phi$ (which can represent dark energy) in a cosmological background using an appropriate metric. We derive solution","authors_text":"Malik Almatwi","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2024-08-24T11:54:21Z","title":"Interaction of a black hole with scalar field in cosmology background"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2408.13559","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":"sha256:1b5bfc76174a7539da9f21b377889df9def5a6c97a97c96ec88522d1fc9b6162","target":"record","created_at":"2026-07-05T08:58:52Z","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":"d5879e01719f3a28134454658555b7e55b8c4b2f14a4de8c27a33151d5f529cd","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2024-08-24T11:54:21Z","title_canon_sha256":"6e75474d57bfd0004d12f015f7a324dd42c05ea327f344639707d7243132a287"},"schema_version":"1.0","source":{"id":"2408.13559","kind":"arxiv","version":1}},"canonical_sha256":"687ac998a23ffc127418e1bc313a00cee9ecf9e88a05d53b40a2b8480a12fa46","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"687ac998a23ffc127418e1bc313a00cee9ecf9e88a05d53b40a2b8480a12fa46","first_computed_at":"2026-07-05T08:58:52.330581Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:58:52.330581Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NZ4HiGCIYPNFw1ccXAp5DJXZJm5kNkzMcgI9biYMH68IiQzVDRfOLHeJSPKLIxb6FAu0TFeruXaTdGWBBOWTAw==","signature_status":"signed_v1","signed_at":"2026-07-05T08:58:52.330953Z","signed_message":"canonical_sha256_bytes"},"source_id":"2408.13559","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1b5bfc76174a7539da9f21b377889df9def5a6c97a97c96ec88522d1fc9b6162","sha256:418d5ff3073aeeeca6d16a88d811bc1760eb9633f6c7790c3534b031fadf419e"],"state_sha256":"c7e208d8108daa5b0cf7f632771af50f48e1c3f9c28c45c04c13b0cba16442f6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"p9AVyaCOZXtDL/1g7f/DpQ+6G97YLM4ETa4ZV0gcDwgBKWL72hw7fSvxaSRXTKU+m+R2Mn4nTIZh542qs1ILCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-17T03:20:47.247224Z","bundle_sha256":"4437746e2872265dcb1114274a317919c7b255cb50e2abd000e2f24f2f3b3a93"}}