{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:QMCI7ZO2EWCSP4WOZAQ2UEQK5X","short_pith_number":"pith:QMCI7ZO2","canonical_record":{"source":{"id":"2502.09924","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2025-02-14T05:25:46Z","cross_cats_sorted":["hep-th","quant-ph"],"title_canon_sha256":"a9c4738270a853dcf5e167ad954c22c98e21783c4752a34677f8f84a461ab211","abstract_canon_sha256":"80a316edb004ebabd911429e981509de18d9f41af2392bf1a59f58ade4d9615e"},"schema_version":"1.0"},"canonical_sha256":"83048fe5da258527f2cec821aa120aedf36f1ec5c1b771307584e61051ad1df8","source":{"kind":"arxiv","id":"2502.09924","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.09924","created_at":"2026-07-05T10:14:14Z"},{"alias_kind":"arxiv_version","alias_value":"2502.09924v1","created_at":"2026-07-05T10:14:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.09924","created_at":"2026-07-05T10:14:14Z"},{"alias_kind":"pith_short_12","alias_value":"QMCI7ZO2EWCS","created_at":"2026-07-05T10:14:14Z"},{"alias_kind":"pith_short_16","alias_value":"QMCI7ZO2EWCSP4WO","created_at":"2026-07-05T10:14:14Z"},{"alias_kind":"pith_short_8","alias_value":"QMCI7ZO2","created_at":"2026-07-05T10:14:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:QMCI7ZO2EWCSP4WOZAQ2UEQK5X","target":"record","payload":{"canonical_record":{"source":{"id":"2502.09924","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2025-02-14T05:25:46Z","cross_cats_sorted":["hep-th","quant-ph"],"title_canon_sha256":"a9c4738270a853dcf5e167ad954c22c98e21783c4752a34677f8f84a461ab211","abstract_canon_sha256":"80a316edb004ebabd911429e981509de18d9f41af2392bf1a59f58ade4d9615e"},"schema_version":"1.0"},"canonical_sha256":"83048fe5da258527f2cec821aa120aedf36f1ec5c1b771307584e61051ad1df8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:14:14.410851Z","signature_b64":"3/CfOPPn7p66CJptSo2ZTfqvWwUtG4BP7FrpJZPOcTBfrEwEdcfHjUH8u1aIQLc4W7LPDOJ5MeZTxi7f2EgCDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"83048fe5da258527f2cec821aa120aedf36f1ec5c1b771307584e61051ad1df8","last_reissued_at":"2026-07-05T10:14:14.410417Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:14:14.410417Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2502.09924","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":"2026-07-05T10:14:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sRWeQHXIx9zWdWfYf1IMM0Zf/zaHG37dsHiHKsvxT5aJovH+RjKEKIwSppKesQom7mEc2pAxcKIWn94n7hMRAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T22:35:15.670804Z"},"content_sha256":"6cbb44a7a8aa623f8a0529b8a40ca55332778b7c1f3e9c3195b8093911f7a169","schema_version":"1.0","event_id":"sha256:6cbb44a7a8aa623f8a0529b8a40ca55332778b7c1f3e9c3195b8093911f7a169"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:QMCI7ZO2EWCSP4WOZAQ2UEQK5X","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The information loss problem and Hawking radiation as tunneling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th","quant-ph"],"primary_cat":"gr-qc","authors_text":"Baocheng Zhang, Christian Corda, Qing-yu Cai","submitted_at":"2025-02-14T05:25:46Z","abstract_excerpt":"In this paper, we review some methods that tried to solve the information loss problem. In particular, we revisit the solution based on Hawking radiation as tunneling, and provide a detailed statistical interpretation on the black hole entropy in terms of the quantum tunneling probability of Hawking radiation from the black hole. In addition, we show that black hole evaporation is governed by a time-dependent Schrodinger equation that sends pure states into pure states rather than into mixed states (Hawking had originally established that the final result would be mixed states). This is furthe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.09924","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/2502.09924/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":"2026-07-05T10:14:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uAjHvcdMIyYvW5WV4ioFuX9/xLN/NS6Si9rf/9ww4pIhfvnUEmzHHZKhMlOZGeCUKoFJ/h2Uepiq+puMJ0eVAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T22:35:15.671398Z"},"content_sha256":"525d16845cd63b8ae576323023c13596c83289e9f7fa01a4103d765886329072","schema_version":"1.0","event_id":"sha256:525d16845cd63b8ae576323023c13596c83289e9f7fa01a4103d765886329072"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QMCI7ZO2EWCSP4WOZAQ2UEQK5X/bundle.json","state_url":"https://pith.science/pith/QMCI7ZO2EWCSP4WOZAQ2UEQK5X/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QMCI7ZO2EWCSP4WOZAQ2UEQK5X/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":"2026-08-10T22:35:15Z","links":{"resolver":"https://pith.science/pith/QMCI7ZO2EWCSP4WOZAQ2UEQK5X","bundle":"https://pith.science/pith/QMCI7ZO2EWCSP4WOZAQ2UEQK5X/bundle.json","state":"https://pith.science/pith/QMCI7ZO2EWCSP4WOZAQ2UEQK5X/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QMCI7ZO2EWCSP4WOZAQ2UEQK5X/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:QMCI7ZO2EWCSP4WOZAQ2UEQK5X","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":"80a316edb004ebabd911429e981509de18d9f41af2392bf1a59f58ade4d9615e","cross_cats_sorted":["hep-th","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2025-02-14T05:25:46Z","title_canon_sha256":"a9c4738270a853dcf5e167ad954c22c98e21783c4752a34677f8f84a461ab211"},"schema_version":"1.0","source":{"id":"2502.09924","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.09924","created_at":"2026-07-05T10:14:14Z"},{"alias_kind":"arxiv_version","alias_value":"2502.09924v1","created_at":"2026-07-05T10:14:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.09924","created_at":"2026-07-05T10:14:14Z"},{"alias_kind":"pith_short_12","alias_value":"QMCI7ZO2EWCS","created_at":"2026-07-05T10:14:14Z"},{"alias_kind":"pith_short_16","alias_value":"QMCI7ZO2EWCSP4WO","created_at":"2026-07-05T10:14:14Z"},{"alias_kind":"pith_short_8","alias_value":"QMCI7ZO2","created_at":"2026-07-05T10:14:14Z"}],"graph_snapshots":[{"event_id":"sha256:525d16845cd63b8ae576323023c13596c83289e9f7fa01a4103d765886329072","target":"graph","created_at":"2026-07-05T10:14:14Z","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/2502.09924/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this paper, we review some methods that tried to solve the information loss problem. In particular, we revisit the solution based on Hawking radiation as tunneling, and provide a detailed statistical interpretation on the black hole entropy in terms of the quantum tunneling probability of Hawking radiation from the black hole. In addition, we show that black hole evaporation is governed by a time-dependent Schrodinger equation that sends pure states into pure states rather than into mixed states (Hawking had originally established that the final result would be mixed states). This is furthe","authors_text":"Baocheng Zhang, Christian Corda, Qing-yu Cai","cross_cats":["hep-th","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2025-02-14T05:25:46Z","title":"The information loss problem and Hawking radiation as tunneling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.09924","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":"sha256:6cbb44a7a8aa623f8a0529b8a40ca55332778b7c1f3e9c3195b8093911f7a169","target":"record","created_at":"2026-07-05T10:14:14Z","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":"80a316edb004ebabd911429e981509de18d9f41af2392bf1a59f58ade4d9615e","cross_cats_sorted":["hep-th","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2025-02-14T05:25:46Z","title_canon_sha256":"a9c4738270a853dcf5e167ad954c22c98e21783c4752a34677f8f84a461ab211"},"schema_version":"1.0","source":{"id":"2502.09924","kind":"arxiv","version":1}},"canonical_sha256":"83048fe5da258527f2cec821aa120aedf36f1ec5c1b771307584e61051ad1df8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"83048fe5da258527f2cec821aa120aedf36f1ec5c1b771307584e61051ad1df8","first_computed_at":"2026-07-05T10:14:14.410417Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:14:14.410417Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3/CfOPPn7p66CJptSo2ZTfqvWwUtG4BP7FrpJZPOcTBfrEwEdcfHjUH8u1aIQLc4W7LPDOJ5MeZTxi7f2EgCDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T10:14:14.410851Z","signed_message":"canonical_sha256_bytes"},"source_id":"2502.09924","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6cbb44a7a8aa623f8a0529b8a40ca55332778b7c1f3e9c3195b8093911f7a169","sha256:525d16845cd63b8ae576323023c13596c83289e9f7fa01a4103d765886329072"],"state_sha256":"9de01cd19d85e4657bc723fdb771f5e0c8ce955d88fb5881860f6d83e16ad984"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5jMMXWn6bOVLC0qwGGcn3Hv5IAz2LAY1hZcMVo3MSPv7mxqY4ZfC5tezil4v799mZ8XsEMSM+WIYflcuid0bCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T22:35:15.676480Z","bundle_sha256":"7f8304fd4aaf69362a5550e936bc9ef17cce0b1fbefdbf0df5cc1d32b65b8254"}}