{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:CKWFYVBUU3OVUESVV6AHUOPZ3F","short_pith_number":"pith:CKWFYVBU","canonical_record":{"source":{"id":"2503.22624","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2025-03-28T17:16:44Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"96a563e7024cc32e3487cfa09733dfd43db233e224eb5593c9c1720e89dd1cd8","abstract_canon_sha256":"64d8d917358047cf94a66230d4fc0112e098f9f2c6dd51e6e28398d6563cf113"},"schema_version":"1.0"},"canonical_sha256":"12ac5c5434a6dd5a1255af807a39f9d97fee80a87665bb9a2d8b698ce4cfbf13","source":{"kind":"arxiv","id":"2503.22624","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.22624","created_at":"2026-07-05T10:41:07Z"},{"alias_kind":"arxiv_version","alias_value":"2503.22624v1","created_at":"2026-07-05T10:41:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.22624","created_at":"2026-07-05T10:41:07Z"},{"alias_kind":"pith_short_12","alias_value":"CKWFYVBUU3OV","created_at":"2026-07-05T10:41:07Z"},{"alias_kind":"pith_short_16","alias_value":"CKWFYVBUU3OVUESV","created_at":"2026-07-05T10:41:07Z"},{"alias_kind":"pith_short_8","alias_value":"CKWFYVBU","created_at":"2026-07-05T10:41:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:CKWFYVBUU3OVUESVV6AHUOPZ3F","target":"record","payload":{"canonical_record":{"source":{"id":"2503.22624","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2025-03-28T17:16:44Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"96a563e7024cc32e3487cfa09733dfd43db233e224eb5593c9c1720e89dd1cd8","abstract_canon_sha256":"64d8d917358047cf94a66230d4fc0112e098f9f2c6dd51e6e28398d6563cf113"},"schema_version":"1.0"},"canonical_sha256":"12ac5c5434a6dd5a1255af807a39f9d97fee80a87665bb9a2d8b698ce4cfbf13","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:41:07.919187Z","signature_b64":"OU7Nq/iozmc5/evcDaPCTj8zU/xRopDeBBxPeBJYuqOFnv4NvVQUWrxV9BI96fZ+cuLxWJIUjUatDt03uD//Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"12ac5c5434a6dd5a1255af807a39f9d97fee80a87665bb9a2d8b698ce4cfbf13","last_reissued_at":"2026-07-05T10:41:07.918706Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:41:07.918706Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2503.22624","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":"2026-07-05T10:41:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0a659qjbAn7zlDzdgtwzHj8AdE3czlblkocj/d2j7iGqMa7GCHmKJ6cyduu/S3GKi4bq3tmLJl48iL+FxkLcDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T09:36:15.588988Z"},"content_sha256":"667d253e617389af3faf87f34262e53e5a5976124cc344094fd2887373d6db0c","schema_version":"1.0","event_id":"sha256:667d253e617389af3faf87f34262e53e5a5976124cc344094fd2887373d6db0c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:CKWFYVBUU3OVUESVV6AHUOPZ3F","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Shadow and gravitational lensing produced by the nonlinear accretion of a scalar field onto a black hole","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"gr-qc","authors_text":"A. Cruz-Osorio, F. D. Lora-Clavijo, J. C. Acevedo-Mu\\~noz","submitted_at":"2025-03-28T17:16:44Z","abstract_excerpt":"The hypothesis that classical scalar fields could constitute dark matter on galactic and cosmic scales has garnered significant interest. In scenarios where supermassive black holes (SMBHs) form through the accretion of matter onto black hole seeds, a critical question arises: what role does dark matter play in this process? We conduct a numerical investigation into the nonlinear dynamical evolution of black hole shadows and gravitational lensing effects resulting from the accretion of an ultralight, real scalar field onto a non-rotating black hole. The scalar field is minimally coupled to Ein"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.22624","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/2503.22624/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":"2026-07-05T10:41:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"olfzjup6oF9rBDVuASTEQUFU5Ayv04y9j3MD8PHp87ONHcdYElfJUmaLH0V2yxQ3apCKQGcUm3jH/Ikbx1eiAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T09:36:15.589510Z"},"content_sha256":"96b02a3a20582a633df46a599b3ed8191d44ab7e57b5301601ac10680be2e145","schema_version":"1.0","event_id":"sha256:96b02a3a20582a633df46a599b3ed8191d44ab7e57b5301601ac10680be2e145"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CKWFYVBUU3OVUESVV6AHUOPZ3F/bundle.json","state_url":"https://pith.science/pith/CKWFYVBUU3OVUESVV6AHUOPZ3F/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CKWFYVBUU3OVUESVV6AHUOPZ3F/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":"2026-08-04T09:36:15Z","links":{"resolver":"https://pith.science/pith/CKWFYVBUU3OVUESVV6AHUOPZ3F","bundle":"https://pith.science/pith/CKWFYVBUU3OVUESVV6AHUOPZ3F/bundle.json","state":"https://pith.science/pith/CKWFYVBUU3OVUESVV6AHUOPZ3F/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CKWFYVBUU3OVUESVV6AHUOPZ3F/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:CKWFYVBUU3OVUESVV6AHUOPZ3F","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":"64d8d917358047cf94a66230d4fc0112e098f9f2c6dd51e6e28398d6563cf113","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2025-03-28T17:16:44Z","title_canon_sha256":"96a563e7024cc32e3487cfa09733dfd43db233e224eb5593c9c1720e89dd1cd8"},"schema_version":"1.0","source":{"id":"2503.22624","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.22624","created_at":"2026-07-05T10:41:07Z"},{"alias_kind":"arxiv_version","alias_value":"2503.22624v1","created_at":"2026-07-05T10:41:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.22624","created_at":"2026-07-05T10:41:07Z"},{"alias_kind":"pith_short_12","alias_value":"CKWFYVBUU3OV","created_at":"2026-07-05T10:41:07Z"},{"alias_kind":"pith_short_16","alias_value":"CKWFYVBUU3OVUESV","created_at":"2026-07-05T10:41:07Z"},{"alias_kind":"pith_short_8","alias_value":"CKWFYVBU","created_at":"2026-07-05T10:41:07Z"}],"graph_snapshots":[{"event_id":"sha256:96b02a3a20582a633df46a599b3ed8191d44ab7e57b5301601ac10680be2e145","target":"graph","created_at":"2026-07-05T10:41:07Z","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/2503.22624/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The hypothesis that classical scalar fields could constitute dark matter on galactic and cosmic scales has garnered significant interest. In scenarios where supermassive black holes (SMBHs) form through the accretion of matter onto black hole seeds, a critical question arises: what role does dark matter play in this process? We conduct a numerical investigation into the nonlinear dynamical evolution of black hole shadows and gravitational lensing effects resulting from the accretion of an ultralight, real scalar field onto a non-rotating black hole. The scalar field is minimally coupled to Ein","authors_text":"A. Cruz-Osorio, F. D. Lora-Clavijo, J. C. Acevedo-Mu\\~noz","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2025-03-28T17:16:44Z","title":"Shadow and gravitational lensing produced by the nonlinear accretion of a scalar field onto a black hole"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.22624","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":"sha256:667d253e617389af3faf87f34262e53e5a5976124cc344094fd2887373d6db0c","target":"record","created_at":"2026-07-05T10:41:07Z","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":"64d8d917358047cf94a66230d4fc0112e098f9f2c6dd51e6e28398d6563cf113","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2025-03-28T17:16:44Z","title_canon_sha256":"96a563e7024cc32e3487cfa09733dfd43db233e224eb5593c9c1720e89dd1cd8"},"schema_version":"1.0","source":{"id":"2503.22624","kind":"arxiv","version":1}},"canonical_sha256":"12ac5c5434a6dd5a1255af807a39f9d97fee80a87665bb9a2d8b698ce4cfbf13","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"12ac5c5434a6dd5a1255af807a39f9d97fee80a87665bb9a2d8b698ce4cfbf13","first_computed_at":"2026-07-05T10:41:07.918706Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:41:07.918706Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OU7Nq/iozmc5/evcDaPCTj8zU/xRopDeBBxPeBJYuqOFnv4NvVQUWrxV9BI96fZ+cuLxWJIUjUatDt03uD//Bg==","signature_status":"signed_v1","signed_at":"2026-07-05T10:41:07.919187Z","signed_message":"canonical_sha256_bytes"},"source_id":"2503.22624","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:667d253e617389af3faf87f34262e53e5a5976124cc344094fd2887373d6db0c","sha256:96b02a3a20582a633df46a599b3ed8191d44ab7e57b5301601ac10680be2e145"],"state_sha256":"714ef7e894eecd5faa50c67826a0aa575e837f4ddf7b9da7a0006dfc2cea908b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"//qga+IIR+82d89l3hZVEUflY9ll7kDLTDQDLPS59RHSCmGED7bSVi6jlkkzRDfJxdukm9aLNwiHsQHcaG21Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T09:36:15.593343Z","bundle_sha256":"ce01d628db4aab17324cb26c5500662302e9f05e54ac290029615797e159722e"}}