{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:ICVJRA7SSVSKZ5XWLMIE2PHHEO","short_pith_number":"pith:ICVJRA7S","schema_version":"1.0","canonical_sha256":"40aa9883f29564acf6f65b104d3ce723ba6ff27d28a773210132af709f567c9a","source":{"kind":"arxiv","id":"2607.13992","version":1},"attestation_state":"computed","paper":{"title":"DARK-HIDE: Dark matter versus hidden dimensions in black hole images","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"gr-qc","authors_text":"Mohsen Fathi","submitted_at":"2026-07-15T16:23:13Z","abstract_excerpt":"Dark matter near a black hole and effective extra-dimensional corrections can change the same horizon-scale observables. This creates a simple but important question: if an image differs from Kerr, what caused the difference? We study this problem with DARK-HIDE. The dark-matter branch is described by rotating metrics with radial mass functions, while the hidden-dimensional branch is a rotating braneworld metric with a non-electromagnetic tidal charge. We compare photon regions, critical curves, controlled image morphology, a shadow-size likelihood calibrated to EHT results, and local ZAMO esc"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2607.13992","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2026-07-15T16:23:13Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"2008c69d0507fde9cf6e48f4d676d82251e7d62f23bd9d5e6f61b885cadfcd01","abstract_canon_sha256":"ffd4e730bbfb3d782b5e19e87fed17553290085d6e604c7d94553223137c649b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-16T01:23:18.372716Z","signature_b64":"taCLqsbTyPvZWn7zWeQo21y6NbbyxMLiHifVFFonEV88Q4g+QgELRyQODCjEcg15ks2F9t5LDxtxLkundjDsDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"40aa9883f29564acf6f65b104d3ce723ba6ff27d28a773210132af709f567c9a","last_reissued_at":"2026-07-16T01:23:18.368767Z","signature_status":"signed_v1","first_computed_at":"2026-07-16T01:23:18.368767Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"DARK-HIDE: Dark matter versus hidden dimensions in black hole images","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"gr-qc","authors_text":"Mohsen Fathi","submitted_at":"2026-07-15T16:23:13Z","abstract_excerpt":"Dark matter near a black hole and effective extra-dimensional corrections can change the same horizon-scale observables. This creates a simple but important question: if an image differs from Kerr, what caused the difference? We study this problem with DARK-HIDE. The dark-matter branch is described by rotating metrics with radial mass functions, while the hidden-dimensional branch is a rotating braneworld metric with a non-electromagnetic tidal charge. We compare photon regions, critical curves, controlled image morphology, a shadow-size likelihood calibrated to EHT results, and local ZAMO esc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.13992","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/2607.13992/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2607.13992","created_at":"2026-07-16T01:23:18.369218+00:00"},{"alias_kind":"arxiv_version","alias_value":"2607.13992v1","created_at":"2026-07-16T01:23:18.369218+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.13992","created_at":"2026-07-16T01:23:18.369218+00:00"},{"alias_kind":"pith_short_12","alias_value":"ICVJRA7SSVSK","created_at":"2026-07-16T01:23:18.369218+00:00"},{"alias_kind":"pith_short_16","alias_value":"ICVJRA7SSVSKZ5XW","created_at":"2026-07-16T01:23:18.369218+00:00"},{"alias_kind":"pith_short_8","alias_value":"ICVJRA7S","created_at":"2026-07-16T01:23:18.369218+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/ICVJRA7SSVSKZ5XWLMIE2PHHEO","json":"https://pith.science/pith/ICVJRA7SSVSKZ5XWLMIE2PHHEO.json","graph_json":"https://pith.science/api/pith-number/ICVJRA7SSVSKZ5XWLMIE2PHHEO/graph.json","events_json":"https://pith.science/api/pith-number/ICVJRA7SSVSKZ5XWLMIE2PHHEO/events.json","paper":"https://pith.science/paper/ICVJRA7S"},"agent_actions":{"view_html":"https://pith.science/pith/ICVJRA7SSVSKZ5XWLMIE2PHHEO","download_json":"https://pith.science/pith/ICVJRA7SSVSKZ5XWLMIE2PHHEO.json","view_paper":"https://pith.science/paper/ICVJRA7S","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2607.13992&json=true","fetch_graph":"https://pith.science/api/pith-number/ICVJRA7SSVSKZ5XWLMIE2PHHEO/graph.json","fetch_events":"https://pith.science/api/pith-number/ICVJRA7SSVSKZ5XWLMIE2PHHEO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ICVJRA7SSVSKZ5XWLMIE2PHHEO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ICVJRA7SSVSKZ5XWLMIE2PHHEO/action/storage_attestation","attest_author":"https://pith.science/pith/ICVJRA7SSVSKZ5XWLMIE2PHHEO/action/author_attestation","sign_citation":"https://pith.science/pith/ICVJRA7SSVSKZ5XWLMIE2PHHEO/action/citation_signature","submit_replication":"https://pith.science/pith/ICVJRA7SSVSKZ5XWLMIE2PHHEO/action/replication_record"}},"created_at":"2026-07-16T01:23:18.369218+00:00","updated_at":"2026-07-16T01:23:18.369218+00:00"}