{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1998:LUU2HMSS4YHE6E5WD4CIJL7XSP","short_pith_number":"pith:LUU2HMSS","canonical_record":{"source":{"id":"gr-qc/9808026","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"1998-08-10T12:22:53Z","cross_cats_sorted":["astro-ph","hep-ph"],"title_canon_sha256":"985aaaf48f8c72c7ffa41c063f609f4d25313459d1968343039e59e2067e09aa","abstract_canon_sha256":"cc153383ef63c25ca4bf9a2866557d3c7d32165e65bfa2841ed47375a42d12bd"},"schema_version":"1.0"},"canonical_sha256":"5d29a3b252e60e4f13b61f0484aff793e278a68cab41e68f37ac81aa30775b99","source":{"kind":"arxiv","id":"gr-qc/9808026","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/9808026","created_at":"2026-07-04T15:29:20Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/9808026v2","created_at":"2026-07-04T15:29:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/9808026","created_at":"2026-07-04T15:29:20Z"},{"alias_kind":"pith_short_12","alias_value":"LUU2HMSS4YHE","created_at":"2026-07-04T15:29:20Z"},{"alias_kind":"pith_short_16","alias_value":"LUU2HMSS4YHE6E5W","created_at":"2026-07-04T15:29:20Z"},{"alias_kind":"pith_short_8","alias_value":"LUU2HMSS","created_at":"2026-07-04T15:29:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1998:LUU2HMSS4YHE6E5WD4CIJL7XSP","target":"record","payload":{"canonical_record":{"source":{"id":"gr-qc/9808026","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"1998-08-10T12:22:53Z","cross_cats_sorted":["astro-ph","hep-ph"],"title_canon_sha256":"985aaaf48f8c72c7ffa41c063f609f4d25313459d1968343039e59e2067e09aa","abstract_canon_sha256":"cc153383ef63c25ca4bf9a2866557d3c7d32165e65bfa2841ed47375a42d12bd"},"schema_version":"1.0"},"canonical_sha256":"5d29a3b252e60e4f13b61f0484aff793e278a68cab41e68f37ac81aa30775b99","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:29:20.983468Z","signature_b64":"Ksji5k56c59A1Q8V/OWJrznXWxBmxko6dq/iVWE5fvykDJCwEgdJbe1UPGOGiI0mGnEqf9V+HsJy9f7q9sC8Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5d29a3b252e60e4f13b61f0484aff793e278a68cab41e68f37ac81aa30775b99","last_reissued_at":"2026-07-04T15:29:20.982998Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:29:20.982998Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"gr-qc/9808026","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":"2026-07-04T15:29:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cTnhsxefZw6SZosfVT7yJ5La5TIzEkljfqHzZzSAAApoN4VSxznrkuK6sOJR5NsWh5Ec4+t8zJonyDwXoR5tBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T05:28:56.893466Z"},"content_sha256":"f20f1f1199e3d0bae0564fd1ba6e9c728b290072e92f2404edf325739a3afe86","schema_version":"1.0","event_id":"sha256:f20f1f1199e3d0bae0564fd1ba6e9c728b290072e92f2404edf325739a3afe86"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1998:LUU2HMSS4YHE6E5WD4CIJL7XSP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Gravitational Collapse of a Shell of Quantized Matter","license":"","headline":"","cross_cats":["astro-ph","hep-ph"],"primary_cat":"gr-qc","authors_text":"G.L. Alberghi, G.P. Vacca, G. Venturi, R. Casadio","submitted_at":"1998-08-10T12:22:53Z","abstract_excerpt":"The semi-classical collapse, including lowest order back-reaction, of a thin shell of self-gravitating quantized matter is illustrated. The conditions for which self-gravitating matter forms a thin shell are first discussed and an effective Lagrangian for such matter is obtained. The matter-gravity system is then quantized, the semi-classical limit for gravitation is taken and the method of adiabatic invariants is applied to the resulting time dependent matter Hamiltonian. The governing equations are integrated numerically, for suitable initial conditions, in order to illustrate the effect of "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/9808026","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/gr-qc/9808026/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":"2026-07-04T15:29:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"u25XMOFw52KVNaI8B/4AudaBP4GMtzyrue8pZCGe5yBdbXYDjw+dcPg3eknHYmuLFQbrA6HllZMSHUSFLQVfCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T05:28:56.893892Z"},"content_sha256":"3de69d1a644e273a27ea7e281d44c266677bc4823b7f90ac47569c7aa94c97f3","schema_version":"1.0","event_id":"sha256:3de69d1a644e273a27ea7e281d44c266677bc4823b7f90ac47569c7aa94c97f3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LUU2HMSS4YHE6E5WD4CIJL7XSP/bundle.json","state_url":"https://pith.science/pith/LUU2HMSS4YHE6E5WD4CIJL7XSP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LUU2HMSS4YHE6E5WD4CIJL7XSP/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":"2026-08-06T05:28:56Z","links":{"resolver":"https://pith.science/pith/LUU2HMSS4YHE6E5WD4CIJL7XSP","bundle":"https://pith.science/pith/LUU2HMSS4YHE6E5WD4CIJL7XSP/bundle.json","state":"https://pith.science/pith/LUU2HMSS4YHE6E5WD4CIJL7XSP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LUU2HMSS4YHE6E5WD4CIJL7XSP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1998:LUU2HMSS4YHE6E5WD4CIJL7XSP","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":"cc153383ef63c25ca4bf9a2866557d3c7d32165e65bfa2841ed47375a42d12bd","cross_cats_sorted":["astro-ph","hep-ph"],"license":"","primary_cat":"gr-qc","submitted_at":"1998-08-10T12:22:53Z","title_canon_sha256":"985aaaf48f8c72c7ffa41c063f609f4d25313459d1968343039e59e2067e09aa"},"schema_version":"1.0","source":{"id":"gr-qc/9808026","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/9808026","created_at":"2026-07-04T15:29:20Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/9808026v2","created_at":"2026-07-04T15:29:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/9808026","created_at":"2026-07-04T15:29:20Z"},{"alias_kind":"pith_short_12","alias_value":"LUU2HMSS4YHE","created_at":"2026-07-04T15:29:20Z"},{"alias_kind":"pith_short_16","alias_value":"LUU2HMSS4YHE6E5W","created_at":"2026-07-04T15:29:20Z"},{"alias_kind":"pith_short_8","alias_value":"LUU2HMSS","created_at":"2026-07-04T15:29:20Z"}],"graph_snapshots":[{"event_id":"sha256:3de69d1a644e273a27ea7e281d44c266677bc4823b7f90ac47569c7aa94c97f3","target":"graph","created_at":"2026-07-04T15:29:20Z","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/gr-qc/9808026/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The semi-classical collapse, including lowest order back-reaction, of a thin shell of self-gravitating quantized matter is illustrated. The conditions for which self-gravitating matter forms a thin shell are first discussed and an effective Lagrangian for such matter is obtained. The matter-gravity system is then quantized, the semi-classical limit for gravitation is taken and the method of adiabatic invariants is applied to the resulting time dependent matter Hamiltonian. The governing equations are integrated numerically, for suitable initial conditions, in order to illustrate the effect of ","authors_text":"G.L. Alberghi, G.P. Vacca, G. Venturi, R. Casadio","cross_cats":["astro-ph","hep-ph"],"headline":"","license":"","primary_cat":"gr-qc","submitted_at":"1998-08-10T12:22:53Z","title":"Gravitational Collapse of a Shell of Quantized Matter"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/9808026","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:f20f1f1199e3d0bae0564fd1ba6e9c728b290072e92f2404edf325739a3afe86","target":"record","created_at":"2026-07-04T15:29:20Z","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":"cc153383ef63c25ca4bf9a2866557d3c7d32165e65bfa2841ed47375a42d12bd","cross_cats_sorted":["astro-ph","hep-ph"],"license":"","primary_cat":"gr-qc","submitted_at":"1998-08-10T12:22:53Z","title_canon_sha256":"985aaaf48f8c72c7ffa41c063f609f4d25313459d1968343039e59e2067e09aa"},"schema_version":"1.0","source":{"id":"gr-qc/9808026","kind":"arxiv","version":2}},"canonical_sha256":"5d29a3b252e60e4f13b61f0484aff793e278a68cab41e68f37ac81aa30775b99","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5d29a3b252e60e4f13b61f0484aff793e278a68cab41e68f37ac81aa30775b99","first_computed_at":"2026-07-04T15:29:20.982998Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:29:20.982998Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ksji5k56c59A1Q8V/OWJrznXWxBmxko6dq/iVWE5fvykDJCwEgdJbe1UPGOGiI0mGnEqf9V+HsJy9f7q9sC8Aw==","signature_status":"signed_v1","signed_at":"2026-07-04T15:29:20.983468Z","signed_message":"canonical_sha256_bytes"},"source_id":"gr-qc/9808026","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f20f1f1199e3d0bae0564fd1ba6e9c728b290072e92f2404edf325739a3afe86","sha256:3de69d1a644e273a27ea7e281d44c266677bc4823b7f90ac47569c7aa94c97f3"],"state_sha256":"b7bd6796ee64ace5c423d79a363e70b106a2a9c4323bd0bc32b24fee2ec26554"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IjB1FkHsJMBh90I8LlR/sNa/j0t2yZGmN7mrhmQqAZ9VYaFK3HBO7Ryo/U6g4w48qtOA+07yTNJiCv42Czf6Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T05:28:56.897815Z","bundle_sha256":"190b80a4a05bf6f95066ab1b9218382da7bd2ca204572690f43402aa6613754a"}}