{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:4OAL2KH7J7CEGQROVN5XBBYJJR","short_pith_number":"pith:4OAL2KH7","canonical_record":{"source":{"id":"2607.19755","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2026-07-22T04:54:11Z","cross_cats_sorted":[],"title_canon_sha256":"a53c146dca460ed183aa704c646b7b2e6192448399243a0630cab2b687b1aae3","abstract_canon_sha256":"03ff57d69b3d7bf0ffb9aaaf4d19306e97b5c6aa76af470121521918ca0c0ae5"},"schema_version":"1.0"},"canonical_sha256":"e380bd28ff4fc443422eab7b7087094c4fcb851e9bf8b310d5547fbbef4bcb11","source":{"kind":"arxiv","id":"2607.19755","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.19755","created_at":"2026-07-23T00:24:07Z"},{"alias_kind":"arxiv_version","alias_value":"2607.19755v1","created_at":"2026-07-23T00:24:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.19755","created_at":"2026-07-23T00:24:07Z"},{"alias_kind":"pith_short_12","alias_value":"4OAL2KH7J7CE","created_at":"2026-07-23T00:24:07Z"},{"alias_kind":"pith_short_16","alias_value":"4OAL2KH7J7CEGQRO","created_at":"2026-07-23T00:24:07Z"},{"alias_kind":"pith_short_8","alias_value":"4OAL2KH7","created_at":"2026-07-23T00:24:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:4OAL2KH7J7CEGQROVN5XBBYJJR","target":"record","payload":{"canonical_record":{"source":{"id":"2607.19755","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2026-07-22T04:54:11Z","cross_cats_sorted":[],"title_canon_sha256":"a53c146dca460ed183aa704c646b7b2e6192448399243a0630cab2b687b1aae3","abstract_canon_sha256":"03ff57d69b3d7bf0ffb9aaaf4d19306e97b5c6aa76af470121521918ca0c0ae5"},"schema_version":"1.0"},"canonical_sha256":"e380bd28ff4fc443422eab7b7087094c4fcb851e9bf8b310d5547fbbef4bcb11","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-23T00:24:07.489829Z","signature_b64":"//rjMKqFEq+FQeGwijHOEmHuhXQPuwHAv4Uc+pbp4a6ssdE+s8owGz6ibzerHTib19FwQ+BEGHAaTOnruOjkAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e380bd28ff4fc443422eab7b7087094c4fcb851e9bf8b310d5547fbbef4bcb11","last_reissued_at":"2026-07-23T00:24:07.488971Z","signature_status":"signed_v1","first_computed_at":"2026-07-23T00:24:07.488971Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.19755","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":"2026-07-23T00:24:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fIXH2hO+7QZPnBYUO1QL883vKjOtRBvhwsAb/6oDvppDCir/m8EYanUgvS9UPGtxEHH8Vvijc/PvwM6nxs12Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T04:18:25.545381Z"},"content_sha256":"e69326e4e0d45e9c9acd4e5e7bb668b715491ed0cf7d0975c4fe1851071255e3","schema_version":"1.0","event_id":"sha256:e69326e4e0d45e9c9acd4e5e7bb668b715491ed0cf7d0975c4fe1851071255e3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:4OAL2KH7J7CEGQROVN5XBBYJJR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Instability of regular black holes in non-minimally coupled scalar field theories: an analytical approach","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Davood Mahdavian Yekta, Majid Karimabadi, S. A. Alavi","submitted_at":"2026-07-22T04:54:11Z","abstract_excerpt":"In this paper, we show that the robustness of black hole stability is not preserved when the perturbations are disposed on some critical values of the coupling constant in two non-minimally coupled scalar-tensor models, in particular for a number of regular black holes. Using an analytical demonstration in the near-horizon approximation, we obtain exact expressions for the critical coupling constant in two models for which the instability will occur. The numerical analysis show that these critical values are consistent with the threshold points in time-domain profiles of field perturbations. A"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.19755","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/2607.19755/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":"2026-07-23T00:24:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8QPmBHL4c2oa0v9Eyri0YYMp2sRJ42jU4O54uQJkPCBZqitPTuUJHgDiX5/IO9L/Ug4GlnuD+DFxI3tP9v6sCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T04:18:25.546317Z"},"content_sha256":"38b9456458460a389d65c820f656049655ef0a3cf0f16ff6d0366d4d3029b0a8","schema_version":"1.0","event_id":"sha256:38b9456458460a389d65c820f656049655ef0a3cf0f16ff6d0366d4d3029b0a8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4OAL2KH7J7CEGQROVN5XBBYJJR/bundle.json","state_url":"https://pith.science/pith/4OAL2KH7J7CEGQROVN5XBBYJJR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4OAL2KH7J7CEGQROVN5XBBYJJR/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":"2026-08-10T04:18:25Z","links":{"resolver":"https://pith.science/pith/4OAL2KH7J7CEGQROVN5XBBYJJR","bundle":"https://pith.science/pith/4OAL2KH7J7CEGQROVN5XBBYJJR/bundle.json","state":"https://pith.science/pith/4OAL2KH7J7CEGQROVN5XBBYJJR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4OAL2KH7J7CEGQROVN5XBBYJJR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:4OAL2KH7J7CEGQROVN5XBBYJJR","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":"03ff57d69b3d7bf0ffb9aaaf4d19306e97b5c6aa76af470121521918ca0c0ae5","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2026-07-22T04:54:11Z","title_canon_sha256":"a53c146dca460ed183aa704c646b7b2e6192448399243a0630cab2b687b1aae3"},"schema_version":"1.0","source":{"id":"2607.19755","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.19755","created_at":"2026-07-23T00:24:07Z"},{"alias_kind":"arxiv_version","alias_value":"2607.19755v1","created_at":"2026-07-23T00:24:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.19755","created_at":"2026-07-23T00:24:07Z"},{"alias_kind":"pith_short_12","alias_value":"4OAL2KH7J7CE","created_at":"2026-07-23T00:24:07Z"},{"alias_kind":"pith_short_16","alias_value":"4OAL2KH7J7CEGQRO","created_at":"2026-07-23T00:24:07Z"},{"alias_kind":"pith_short_8","alias_value":"4OAL2KH7","created_at":"2026-07-23T00:24:07Z"}],"graph_snapshots":[{"event_id":"sha256:38b9456458460a389d65c820f656049655ef0a3cf0f16ff6d0366d4d3029b0a8","target":"graph","created_at":"2026-07-23T00:24:07Z","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/2607.19755/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this paper, we show that the robustness of black hole stability is not preserved when the perturbations are disposed on some critical values of the coupling constant in two non-minimally coupled scalar-tensor models, in particular for a number of regular black holes. Using an analytical demonstration in the near-horizon approximation, we obtain exact expressions for the critical coupling constant in two models for which the instability will occur. The numerical analysis show that these critical values are consistent with the threshold points in time-domain profiles of field perturbations. A","authors_text":"Davood Mahdavian Yekta, Majid Karimabadi, S. A. Alavi","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2026-07-22T04:54:11Z","title":"Instability of regular black holes in non-minimally coupled scalar field theories: an analytical approach"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.19755","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:e69326e4e0d45e9c9acd4e5e7bb668b715491ed0cf7d0975c4fe1851071255e3","target":"record","created_at":"2026-07-23T00:24:07Z","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":"03ff57d69b3d7bf0ffb9aaaf4d19306e97b5c6aa76af470121521918ca0c0ae5","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2026-07-22T04:54:11Z","title_canon_sha256":"a53c146dca460ed183aa704c646b7b2e6192448399243a0630cab2b687b1aae3"},"schema_version":"1.0","source":{"id":"2607.19755","kind":"arxiv","version":1}},"canonical_sha256":"e380bd28ff4fc443422eab7b7087094c4fcb851e9bf8b310d5547fbbef4bcb11","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e380bd28ff4fc443422eab7b7087094c4fcb851e9bf8b310d5547fbbef4bcb11","first_computed_at":"2026-07-23T00:24:07.488971Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-23T00:24:07.488971Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"//rjMKqFEq+FQeGwijHOEmHuhXQPuwHAv4Uc+pbp4a6ssdE+s8owGz6ibzerHTib19FwQ+BEGHAaTOnruOjkAg==","signature_status":"signed_v1","signed_at":"2026-07-23T00:24:07.489829Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.19755","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e69326e4e0d45e9c9acd4e5e7bb668b715491ed0cf7d0975c4fe1851071255e3","sha256:38b9456458460a389d65c820f656049655ef0a3cf0f16ff6d0366d4d3029b0a8"],"state_sha256":"388cca838f2e17bf6eb2c3ff8296ca9c10fb40a590fb1fd14ab3116c03f97050"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0LJko/SYuixgIlqihdac/ekESVhnpfS/rhXYMNnSRsCbVJ4PQvProhpbELJZiXQeaDwmubUUY1E3FnFLgJ2BBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T04:18:25.553259Z","bundle_sha256":"244451df2c45e924a97c85061756cb355c6adfe60d5540cd10f3e0b81f1222c8"}}