{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:N5MXROZPYB7ST4GLKVDGVLYK4E","short_pith_number":"pith:N5MXROZP","canonical_record":{"source":{"id":"2606.24642","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"gr-qc","submitted_at":"2026-06-23T14:39:40Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"31b26573793610e20f3b6dbd1304c23844b688f48fb2baa051bc2895f40faaf9","abstract_canon_sha256":"0d7a9db7d9e7f456ff4ae9e403ad4307be5ce9b1e4825e453bdd63a62bfc5fcb"},"schema_version":"1.0"},"canonical_sha256":"6f5978bb2fc07f29f0cb55466aaf0ae12e26444af14e199810e1824eb8e9fa2c","source":{"kind":"arxiv","id":"2606.24642","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.24642","created_at":"2026-06-24T01:15:37Z"},{"alias_kind":"arxiv_version","alias_value":"2606.24642v1","created_at":"2026-06-24T01:15:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.24642","created_at":"2026-06-24T01:15:37Z"},{"alias_kind":"pith_short_12","alias_value":"N5MXROZPYB7S","created_at":"2026-06-24T01:15:37Z"},{"alias_kind":"pith_short_16","alias_value":"N5MXROZPYB7ST4GL","created_at":"2026-06-24T01:15:37Z"},{"alias_kind":"pith_short_8","alias_value":"N5MXROZP","created_at":"2026-06-24T01:15:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:N5MXROZPYB7ST4GLKVDGVLYK4E","target":"record","payload":{"canonical_record":{"source":{"id":"2606.24642","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"gr-qc","submitted_at":"2026-06-23T14:39:40Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"31b26573793610e20f3b6dbd1304c23844b688f48fb2baa051bc2895f40faaf9","abstract_canon_sha256":"0d7a9db7d9e7f456ff4ae9e403ad4307be5ce9b1e4825e453bdd63a62bfc5fcb"},"schema_version":"1.0"},"canonical_sha256":"6f5978bb2fc07f29f0cb55466aaf0ae12e26444af14e199810e1824eb8e9fa2c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-24T01:15:37.936450Z","signature_b64":"k5m7O3Qwqcg+CRdwa4NLW5t2VWjGz8z5tFOUiw5+GTc8nZKc3Xa8/Z+VvmHVpwXOp5zKSblG+q5ggUT82uaYCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6f5978bb2fc07f29f0cb55466aaf0ae12e26444af14e199810e1824eb8e9fa2c","last_reissued_at":"2026-06-24T01:15:37.936065Z","signature_status":"signed_v1","first_computed_at":"2026-06-24T01:15:37.936065Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.24642","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":"2026-06-24T01:15:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4wQx29p9zYn5MHz7KEDUK6Y32OICInt2QYGMcDR1GvLRZ1s91k/N6uYWzAs/QRx6RHbR5OeHL7ZJgBzT5ECQDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T01:32:00.951738Z"},"content_sha256":"1b43dccc88052e4c15445ceb616da1f27f19b11cadfe4054b1d24c93c56d60d5","schema_version":"1.0","event_id":"sha256:1b43dccc88052e4c15445ceb616da1f27f19b11cadfe4054b1d24c93c56d60d5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:N5MXROZPYB7ST4GLKVDGVLYK4E","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"When Black Holes Can Wear Pants","license":"http://creativecommons.org/licenses/by-sa/4.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"gr-qc","authors_text":"Francesco Sannino, Giacomo Cacciapaglia, Manuel Del Piano, Vania Vellucci","submitted_at":"2026-06-23T14:39:40Z","abstract_excerpt":"We investigate the conditions under which black hole fragmentation, the splitting of a black hole horizon into multiple smaller ones, may occur. The simplest realization is that of a single black hole horizon splitting into two, giving rise to the eponymous pants topology. In classical general relativity, the Bekenstein-Hawking area law forbids such processes for Schwarzschild black holes. For spinning Kerr black holes, purely kinematic analyses impose constraints that prevent fragmentation, even in regimes where entropy considerations might allow it, except possibly in near-extremal cases. We"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.24642","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/2606.24642/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":"2026-06-24T01:15:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cjEZGlrOazU4OQWCb2XvHg/+5QQH4ygxWl9HfgIBNybjAAoY+iGdEM0sxpwOTgWHNtRly8AcWI8kvHXSvqeqCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T01:32:00.952109Z"},"content_sha256":"299a44cb4fb64f2e201bb92f64974ec10b351e4bd49a9d33d370cf8a724397fa","schema_version":"1.0","event_id":"sha256:299a44cb4fb64f2e201bb92f64974ec10b351e4bd49a9d33d370cf8a724397fa"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/N5MXROZPYB7ST4GLKVDGVLYK4E/bundle.json","state_url":"https://pith.science/pith/N5MXROZPYB7ST4GLKVDGVLYK4E/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/N5MXROZPYB7ST4GLKVDGVLYK4E/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":"2026-06-28T01:32:00Z","links":{"resolver":"https://pith.science/pith/N5MXROZPYB7ST4GLKVDGVLYK4E","bundle":"https://pith.science/pith/N5MXROZPYB7ST4GLKVDGVLYK4E/bundle.json","state":"https://pith.science/pith/N5MXROZPYB7ST4GLKVDGVLYK4E/state.json","well_known_bundle":"https://pith.science/.well-known/pith/N5MXROZPYB7ST4GLKVDGVLYK4E/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:N5MXROZPYB7ST4GLKVDGVLYK4E","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":"0d7a9db7d9e7f456ff4ae9e403ad4307be5ce9b1e4825e453bdd63a62bfc5fcb","cross_cats_sorted":["hep-ph"],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"gr-qc","submitted_at":"2026-06-23T14:39:40Z","title_canon_sha256":"31b26573793610e20f3b6dbd1304c23844b688f48fb2baa051bc2895f40faaf9"},"schema_version":"1.0","source":{"id":"2606.24642","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.24642","created_at":"2026-06-24T01:15:37Z"},{"alias_kind":"arxiv_version","alias_value":"2606.24642v1","created_at":"2026-06-24T01:15:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.24642","created_at":"2026-06-24T01:15:37Z"},{"alias_kind":"pith_short_12","alias_value":"N5MXROZPYB7S","created_at":"2026-06-24T01:15:37Z"},{"alias_kind":"pith_short_16","alias_value":"N5MXROZPYB7ST4GL","created_at":"2026-06-24T01:15:37Z"},{"alias_kind":"pith_short_8","alias_value":"N5MXROZP","created_at":"2026-06-24T01:15:37Z"}],"graph_snapshots":[{"event_id":"sha256:299a44cb4fb64f2e201bb92f64974ec10b351e4bd49a9d33d370cf8a724397fa","target":"graph","created_at":"2026-06-24T01:15:37Z","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/2606.24642/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate the conditions under which black hole fragmentation, the splitting of a black hole horizon into multiple smaller ones, may occur. The simplest realization is that of a single black hole horizon splitting into two, giving rise to the eponymous pants topology. In classical general relativity, the Bekenstein-Hawking area law forbids such processes for Schwarzschild black holes. For spinning Kerr black holes, purely kinematic analyses impose constraints that prevent fragmentation, even in regimes where entropy considerations might allow it, except possibly in near-extremal cases. We","authors_text":"Francesco Sannino, Giacomo Cacciapaglia, Manuel Del Piano, Vania Vellucci","cross_cats":["hep-ph"],"headline":"","license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"gr-qc","submitted_at":"2026-06-23T14:39:40Z","title":"When Black Holes Can Wear Pants"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.24642","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":"sha256:1b43dccc88052e4c15445ceb616da1f27f19b11cadfe4054b1d24c93c56d60d5","target":"record","created_at":"2026-06-24T01:15:37Z","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":"0d7a9db7d9e7f456ff4ae9e403ad4307be5ce9b1e4825e453bdd63a62bfc5fcb","cross_cats_sorted":["hep-ph"],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"gr-qc","submitted_at":"2026-06-23T14:39:40Z","title_canon_sha256":"31b26573793610e20f3b6dbd1304c23844b688f48fb2baa051bc2895f40faaf9"},"schema_version":"1.0","source":{"id":"2606.24642","kind":"arxiv","version":1}},"canonical_sha256":"6f5978bb2fc07f29f0cb55466aaf0ae12e26444af14e199810e1824eb8e9fa2c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6f5978bb2fc07f29f0cb55466aaf0ae12e26444af14e199810e1824eb8e9fa2c","first_computed_at":"2026-06-24T01:15:37.936065Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-24T01:15:37.936065Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"k5m7O3Qwqcg+CRdwa4NLW5t2VWjGz8z5tFOUiw5+GTc8nZKc3Xa8/Z+VvmHVpwXOp5zKSblG+q5ggUT82uaYCQ==","signature_status":"signed_v1","signed_at":"2026-06-24T01:15:37.936450Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.24642","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1b43dccc88052e4c15445ceb616da1f27f19b11cadfe4054b1d24c93c56d60d5","sha256:299a44cb4fb64f2e201bb92f64974ec10b351e4bd49a9d33d370cf8a724397fa"],"state_sha256":"a1877d2d8ffe5991495898577c96f4ebe16eed59f5632d4035798a6b03cf8e9d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UCzgPy6XrR6aozHl4xtUz6l/nLc8lvtvfq6v83A5F4AHLn41ZpG06oSFg8gXx4w4JUWRZD4uqBGfoO6dlB9WDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-28T01:32:00.954064Z","bundle_sha256":"3b914d70159734b5b0693fc820ae1f386f59938d04b5b206a6db64f11a65c221"}}