{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:DNYTVLXCXVBAA2WA4LD5CSN3UG","short_pith_number":"pith:DNYTVLXC","canonical_record":{"source":{"id":"2306.01480","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2023-06-02T12:07:33Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"0873d8237c2e8a4eb7ee16187d3f911688efc168e4fb5f38d14fa19ebe18dd9b","abstract_canon_sha256":"5f9422ba559af605c181f19f897ada04683af5ae4ebd823c18f00ea030977680"},"schema_version":"1.0"},"canonical_sha256":"1b713aaee2bd42006ac0e2c7d149bba19e9e996fe3fd08429da30d7a6fd200ff","source":{"kind":"arxiv","id":"2306.01480","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2306.01480","created_at":"2026-07-05T07:48:46Z"},{"alias_kind":"arxiv_version","alias_value":"2306.01480v1","created_at":"2026-07-05T07:48:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2306.01480","created_at":"2026-07-05T07:48:46Z"},{"alias_kind":"pith_short_12","alias_value":"DNYTVLXCXVBA","created_at":"2026-07-05T07:48:46Z"},{"alias_kind":"pith_short_16","alias_value":"DNYTVLXCXVBAA2WA","created_at":"2026-07-05T07:48:46Z"},{"alias_kind":"pith_short_8","alias_value":"DNYTVLXC","created_at":"2026-07-05T07:48:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:DNYTVLXCXVBAA2WA4LD5CSN3UG","target":"record","payload":{"canonical_record":{"source":{"id":"2306.01480","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2023-06-02T12:07:33Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"0873d8237c2e8a4eb7ee16187d3f911688efc168e4fb5f38d14fa19ebe18dd9b","abstract_canon_sha256":"5f9422ba559af605c181f19f897ada04683af5ae4ebd823c18f00ea030977680"},"schema_version":"1.0"},"canonical_sha256":"1b713aaee2bd42006ac0e2c7d149bba19e9e996fe3fd08429da30d7a6fd200ff","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:48:46.825077Z","signature_b64":"SSu2xU8tGCwxpuYwWWJHDOurHPfeHWpYxRDo7gphhxUGk6oavja3mG2ESxnoZZZCX85/BP9AsfGVvOLYf4kWBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1b713aaee2bd42006ac0e2c7d149bba19e9e996fe3fd08429da30d7a6fd200ff","last_reissued_at":"2026-07-05T07:48:46.824632Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:48:46.824632Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2306.01480","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":"2026-07-05T07:48:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6JUl3qh2qTEeVelXbjftlEIMgQdcwPD2LLJUNbCMx0G8Naqt0BGKKfw1t3NWcLllSZQ8ih1bRyaHmXpfmw12CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T20:48:51.495619Z"},"content_sha256":"a45a36e3389bd023d6b9bd1061a932744a75c042bf2815a33d9e36f5338702b6","schema_version":"1.0","event_id":"sha256:a45a36e3389bd023d6b9bd1061a932744a75c042bf2815a33d9e36f5338702b6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:DNYTVLXCXVBAA2WA4LD5CSN3UG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"How strings can explain regular black holes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Piero Nicolini","submitted_at":"2023-06-02T12:07:33Z","abstract_excerpt":"This paper reviews the role of black holes in the context of fundamental physics. After recalling some basic results stemming from Planckian string calculations, I present three examples of how stringy effects can improve the curvature singularity of classical black hole geometries."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2306.01480","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/2306.01480/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":"2026-07-05T07:48:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XHa9LC0AiuhMwOYK+BSqwCJB4kpHor6lYJH+tCqEC/8khVURw2W3z7Oh5lwR6V3x3rLc6JgW/lgsd6gaCHdGBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T20:48:51.496113Z"},"content_sha256":"b9d3dcdbd44e6dd1bb578edc62822af62514619785d1a455877c359841ece246","schema_version":"1.0","event_id":"sha256:b9d3dcdbd44e6dd1bb578edc62822af62514619785d1a455877c359841ece246"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DNYTVLXCXVBAA2WA4LD5CSN3UG/bundle.json","state_url":"https://pith.science/pith/DNYTVLXCXVBAA2WA4LD5CSN3UG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DNYTVLXCXVBAA2WA4LD5CSN3UG/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":"2026-08-16T20:48:51Z","links":{"resolver":"https://pith.science/pith/DNYTVLXCXVBAA2WA4LD5CSN3UG","bundle":"https://pith.science/pith/DNYTVLXCXVBAA2WA4LD5CSN3UG/bundle.json","state":"https://pith.science/pith/DNYTVLXCXVBAA2WA4LD5CSN3UG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DNYTVLXCXVBAA2WA4LD5CSN3UG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:DNYTVLXCXVBAA2WA4LD5CSN3UG","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":"5f9422ba559af605c181f19f897ada04683af5ae4ebd823c18f00ea030977680","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2023-06-02T12:07:33Z","title_canon_sha256":"0873d8237c2e8a4eb7ee16187d3f911688efc168e4fb5f38d14fa19ebe18dd9b"},"schema_version":"1.0","source":{"id":"2306.01480","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2306.01480","created_at":"2026-07-05T07:48:46Z"},{"alias_kind":"arxiv_version","alias_value":"2306.01480v1","created_at":"2026-07-05T07:48:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2306.01480","created_at":"2026-07-05T07:48:46Z"},{"alias_kind":"pith_short_12","alias_value":"DNYTVLXCXVBA","created_at":"2026-07-05T07:48:46Z"},{"alias_kind":"pith_short_16","alias_value":"DNYTVLXCXVBAA2WA","created_at":"2026-07-05T07:48:46Z"},{"alias_kind":"pith_short_8","alias_value":"DNYTVLXC","created_at":"2026-07-05T07:48:46Z"}],"graph_snapshots":[{"event_id":"sha256:b9d3dcdbd44e6dd1bb578edc62822af62514619785d1a455877c359841ece246","target":"graph","created_at":"2026-07-05T07:48:46Z","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/2306.01480/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This paper reviews the role of black holes in the context of fundamental physics. After recalling some basic results stemming from Planckian string calculations, I present three examples of how stringy effects can improve the curvature singularity of classical black hole geometries.","authors_text":"Piero Nicolini","cross_cats":["hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2023-06-02T12:07:33Z","title":"How strings can explain regular black holes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2306.01480","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:a45a36e3389bd023d6b9bd1061a932744a75c042bf2815a33d9e36f5338702b6","target":"record","created_at":"2026-07-05T07:48:46Z","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":"5f9422ba559af605c181f19f897ada04683af5ae4ebd823c18f00ea030977680","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2023-06-02T12:07:33Z","title_canon_sha256":"0873d8237c2e8a4eb7ee16187d3f911688efc168e4fb5f38d14fa19ebe18dd9b"},"schema_version":"1.0","source":{"id":"2306.01480","kind":"arxiv","version":1}},"canonical_sha256":"1b713aaee2bd42006ac0e2c7d149bba19e9e996fe3fd08429da30d7a6fd200ff","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1b713aaee2bd42006ac0e2c7d149bba19e9e996fe3fd08429da30d7a6fd200ff","first_computed_at":"2026-07-05T07:48:46.824632Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:48:46.824632Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SSu2xU8tGCwxpuYwWWJHDOurHPfeHWpYxRDo7gphhxUGk6oavja3mG2ESxnoZZZCX85/BP9AsfGVvOLYf4kWBA==","signature_status":"signed_v1","signed_at":"2026-07-05T07:48:46.825077Z","signed_message":"canonical_sha256_bytes"},"source_id":"2306.01480","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a45a36e3389bd023d6b9bd1061a932744a75c042bf2815a33d9e36f5338702b6","sha256:b9d3dcdbd44e6dd1bb578edc62822af62514619785d1a455877c359841ece246"],"state_sha256":"d50e0375227ea41ffecfef909e27be698fbee18e81f632fee3030047297e9196"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kq2JXYmXXbEK2rJKH2UsIHyyJxP0sKJrLpsucgO4HGqJHwBLpFsUhv0RtDLBQsylzI07wYmtnXBv0oQQTdZvDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T20:48:51.500693Z","bundle_sha256":"540452333554fc5c0d104eb6e4520c1c2f224e3e04ff11c2e170b3af6ae3b2a2"}}