{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:DGHFO26WIN4SN6S5AHIOAMZGOK","short_pith_number":"pith:DGHFO26W","canonical_record":{"source":{"id":"2304.06816","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2023-04-13T20:53:05Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"27a307ea06cc5c28991d452efc1d7a412fd6cfe90e04fe0aa58d55e89e662979","abstract_canon_sha256":"192f79a07fd062706e0b6a9af69ee98aadfe2079e3822274e2ac792d958bad53"},"schema_version":"1.0"},"canonical_sha256":"198e576bd6437926fa5d01d0e0332672abc9aa20ae4b28f772150d11e3a5e97a","source":{"kind":"arxiv","id":"2304.06816","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2304.06816","created_at":"2026-07-05T06:38:53Z"},{"alias_kind":"arxiv_version","alias_value":"2304.06816v2","created_at":"2026-07-05T06:38:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2304.06816","created_at":"2026-07-05T06:38:53Z"},{"alias_kind":"pith_short_12","alias_value":"DGHFO26WIN4S","created_at":"2026-07-05T06:38:53Z"},{"alias_kind":"pith_short_16","alias_value":"DGHFO26WIN4SN6S5","created_at":"2026-07-05T06:38:53Z"},{"alias_kind":"pith_short_8","alias_value":"DGHFO26W","created_at":"2026-07-05T06:38:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:DGHFO26WIN4SN6S5AHIOAMZGOK","target":"record","payload":{"canonical_record":{"source":{"id":"2304.06816","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2023-04-13T20:53:05Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"27a307ea06cc5c28991d452efc1d7a412fd6cfe90e04fe0aa58d55e89e662979","abstract_canon_sha256":"192f79a07fd062706e0b6a9af69ee98aadfe2079e3822274e2ac792d958bad53"},"schema_version":"1.0"},"canonical_sha256":"198e576bd6437926fa5d01d0e0332672abc9aa20ae4b28f772150d11e3a5e97a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:38:53.245162Z","signature_b64":"I00e00pUaOjFBLsC6Z6PhOsLt9VFgZfBPOxuOqFm8rdCrazjyqVQ1I04e4tcwQcRWkVj71bq10hnAcAoqOhaAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"198e576bd6437926fa5d01d0e0332672abc9aa20ae4b28f772150d11e3a5e97a","last_reissued_at":"2026-07-05T06:38:53.244662Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:38:53.244662Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2304.06816","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:38:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0nV9auP4vs4EtOSAKnvhofHVnfRKFaa/DDszosOO2xFr/2JPws9I6aRWVK6SUV3SZhEzAYP04Sw6AnALwZBMBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T13:19:41.143370Z"},"content_sha256":"b12386eb6e2673b06b8d4464a0967c7f340c87f3b5d95e08baa39ac1f0066a63","schema_version":"1.0","event_id":"sha256:b12386eb6e2673b06b8d4464a0967c7f340c87f3b5d95e08baa39ac1f0066a63"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:DGHFO26WIN4SN6S5AHIOAMZGOK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum dust cores of black holes","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Roberto Casadio","submitted_at":"2023-04-13T20:53:05Z","abstract_excerpt":"We describe the ground state for a gravitationally collapsed ball of dust as the direct product of wavefunctions for dust particles distributed over an arbitrary number of nested layers. This allows us to estimate the expectation value of the global radius as well as the effective energy density and pressures for the dust core of quantum black holes. In particular, the size of the quantum core does not depend on the number of layers and the mass function is shown to grow linearly with the areal radius up to the outermost layer."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2304.06816","kind":"arxiv","version":2},"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/2304.06816/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":"2026-07-05T06:38:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JXY8JSYtu3coDp+LR6fC3eI8HYNEUYNE4hXM93VofaYGgo9YG3Zuzs2iWs3ebx+F2l6G69GSRHzjaGwlPUegCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T13:19:41.144002Z"},"content_sha256":"b3cb2602fb1395e468c14b0e8925ff3e7889fbebaa097935b7113fb8d878a8dc","schema_version":"1.0","event_id":"sha256:b3cb2602fb1395e468c14b0e8925ff3e7889fbebaa097935b7113fb8d878a8dc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DGHFO26WIN4SN6S5AHIOAMZGOK/bundle.json","state_url":"https://pith.science/pith/DGHFO26WIN4SN6S5AHIOAMZGOK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DGHFO26WIN4SN6S5AHIOAMZGOK/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":"2026-08-07T13:19:41Z","links":{"resolver":"https://pith.science/pith/DGHFO26WIN4SN6S5AHIOAMZGOK","bundle":"https://pith.science/pith/DGHFO26WIN4SN6S5AHIOAMZGOK/bundle.json","state":"https://pith.science/pith/DGHFO26WIN4SN6S5AHIOAMZGOK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DGHFO26WIN4SN6S5AHIOAMZGOK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:DGHFO26WIN4SN6S5AHIOAMZGOK","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":"192f79a07fd062706e0b6a9af69ee98aadfe2079e3822274e2ac792d958bad53","cross_cats_sorted":["hep-th"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2023-04-13T20:53:05Z","title_canon_sha256":"27a307ea06cc5c28991d452efc1d7a412fd6cfe90e04fe0aa58d55e89e662979"},"schema_version":"1.0","source":{"id":"2304.06816","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2304.06816","created_at":"2026-07-05T06:38:53Z"},{"alias_kind":"arxiv_version","alias_value":"2304.06816v2","created_at":"2026-07-05T06:38:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2304.06816","created_at":"2026-07-05T06:38:53Z"},{"alias_kind":"pith_short_12","alias_value":"DGHFO26WIN4S","created_at":"2026-07-05T06:38:53Z"},{"alias_kind":"pith_short_16","alias_value":"DGHFO26WIN4SN6S5","created_at":"2026-07-05T06:38:53Z"},{"alias_kind":"pith_short_8","alias_value":"DGHFO26W","created_at":"2026-07-05T06:38:53Z"}],"graph_snapshots":[{"event_id":"sha256:b3cb2602fb1395e468c14b0e8925ff3e7889fbebaa097935b7113fb8d878a8dc","target":"graph","created_at":"2026-07-05T06:38:53Z","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/2304.06816/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We describe the ground state for a gravitationally collapsed ball of dust as the direct product of wavefunctions for dust particles distributed over an arbitrary number of nested layers. This allows us to estimate the expectation value of the global radius as well as the effective energy density and pressures for the dust core of quantum black holes. In particular, the size of the quantum core does not depend on the number of layers and the mass function is shown to grow linearly with the areal radius up to the outermost layer.","authors_text":"Roberto Casadio","cross_cats":["hep-th"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2023-04-13T20:53:05Z","title":"Quantum dust cores of black holes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2304.06816","kind":"arxiv","version":2},"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:b12386eb6e2673b06b8d4464a0967c7f340c87f3b5d95e08baa39ac1f0066a63","target":"record","created_at":"2026-07-05T06:38:53Z","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":"192f79a07fd062706e0b6a9af69ee98aadfe2079e3822274e2ac792d958bad53","cross_cats_sorted":["hep-th"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2023-04-13T20:53:05Z","title_canon_sha256":"27a307ea06cc5c28991d452efc1d7a412fd6cfe90e04fe0aa58d55e89e662979"},"schema_version":"1.0","source":{"id":"2304.06816","kind":"arxiv","version":2}},"canonical_sha256":"198e576bd6437926fa5d01d0e0332672abc9aa20ae4b28f772150d11e3a5e97a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"198e576bd6437926fa5d01d0e0332672abc9aa20ae4b28f772150d11e3a5e97a","first_computed_at":"2026-07-05T06:38:53.244662Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:38:53.244662Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"I00e00pUaOjFBLsC6Z6PhOsLt9VFgZfBPOxuOqFm8rdCrazjyqVQ1I04e4tcwQcRWkVj71bq10hnAcAoqOhaAg==","signature_status":"signed_v1","signed_at":"2026-07-05T06:38:53.245162Z","signed_message":"canonical_sha256_bytes"},"source_id":"2304.06816","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b12386eb6e2673b06b8d4464a0967c7f340c87f3b5d95e08baa39ac1f0066a63","sha256:b3cb2602fb1395e468c14b0e8925ff3e7889fbebaa097935b7113fb8d878a8dc"],"state_sha256":"f2ffc5dfaee4a42592545c2aaba4f239a35b4a877bc662a8bc1ae0b3d4542177"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IaHeVanCU0s9px4cq/DNgRsM0N3//gc2UC4EHpH3c9HTGKiq+hljMPZi2fSUedBc7LYMwJ8TI245pxotlckdBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T13:19:41.149295Z","bundle_sha256":"52290b1b390b3c492e710bec460303906c98db99b5eb042824102ca3600cb3f3"}}