{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:EN7WZQPEERAIGNIAONES77BLSB","short_pith_number":"pith:EN7WZQPE","schema_version":"1.0","canonical_sha256":"237f6cc1e4244083350073492ffc2b906aba754a6bd7eafd3da89615f9e222ec","source":{"kind":"arxiv","id":"1302.6141","version":2},"attestation_state":"computed","paper":{"title":"Negative Entropy and Black Hole Information","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.gen-ph","authors_text":"Daegene Song","submitted_at":"2013-01-28T14:25:39Z","abstract_excerpt":"Based on negative entropy in entanglement, it is shown that a single-system Copenhagen measurement protocol is equivalent to the two-system von Neumann scheme with the memory filling up the system with negative information similar to the Dirac sea of negative energy. After equating the two quantum measurement protocols, we then apply this equivalence to the black hole radiation. That is, the black hole evaporation corresponds to the quantum measurement process and the two evaporation approaches, the observable-based single-system and the two-system entanglement-based protocols, can be made equ"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1302.6141","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.gen-ph","submitted_at":"2013-01-28T14:25:39Z","cross_cats_sorted":[],"title_canon_sha256":"09bdda5a6b3fde98141cf83ff94766c64ff14e2f301934b36d037f6c046e34e4","abstract_canon_sha256":"e2f95c9609c1ecda916472c35236c7178664a5b7444cde56e9f73c5f5e163989"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:51:28.824216Z","signature_b64":"6jsUlUUvDLPw4brRNXf3OO87hI/5YcVYvKD96tTqNN/DFffNAeP+YzqNEtv2oA/4r/8UkQ/vXrfwqnN9QjcCAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"237f6cc1e4244083350073492ffc2b906aba754a6bd7eafd3da89615f9e222ec","last_reissued_at":"2026-05-18T01:51:28.823657Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:51:28.823657Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Negative Entropy and Black Hole Information","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.gen-ph","authors_text":"Daegene Song","submitted_at":"2013-01-28T14:25:39Z","abstract_excerpt":"Based on negative entropy in entanglement, it is shown that a single-system Copenhagen measurement protocol is equivalent to the two-system von Neumann scheme with the memory filling up the system with negative information similar to the Dirac sea of negative energy. After equating the two quantum measurement protocols, we then apply this equivalence to the black hole radiation. That is, the black hole evaporation corresponds to the quantum measurement process and the two evaporation approaches, the observable-based single-system and the two-system entanglement-based protocols, can be made equ"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.6141","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":""},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1302.6141","created_at":"2026-05-18T01:51:28.823745+00:00"},{"alias_kind":"arxiv_version","alias_value":"1302.6141v2","created_at":"2026-05-18T01:51:28.823745+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.6141","created_at":"2026-05-18T01:51:28.823745+00:00"},{"alias_kind":"pith_short_12","alias_value":"EN7WZQPEERAI","created_at":"2026-05-18T12:27:43.054852+00:00"},{"alias_kind":"pith_short_16","alias_value":"EN7WZQPEERAIGNIA","created_at":"2026-05-18T12:27:43.054852+00:00"},{"alias_kind":"pith_short_8","alias_value":"EN7WZQPE","created_at":"2026-05-18T12:27:43.054852+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/EN7WZQPEERAIGNIAONES77BLSB","json":"https://pith.science/pith/EN7WZQPEERAIGNIAONES77BLSB.json","graph_json":"https://pith.science/api/pith-number/EN7WZQPEERAIGNIAONES77BLSB/graph.json","events_json":"https://pith.science/api/pith-number/EN7WZQPEERAIGNIAONES77BLSB/events.json","paper":"https://pith.science/paper/EN7WZQPE"},"agent_actions":{"view_html":"https://pith.science/pith/EN7WZQPEERAIGNIAONES77BLSB","download_json":"https://pith.science/pith/EN7WZQPEERAIGNIAONES77BLSB.json","view_paper":"https://pith.science/paper/EN7WZQPE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1302.6141&json=true","fetch_graph":"https://pith.science/api/pith-number/EN7WZQPEERAIGNIAONES77BLSB/graph.json","fetch_events":"https://pith.science/api/pith-number/EN7WZQPEERAIGNIAONES77BLSB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/EN7WZQPEERAIGNIAONES77BLSB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/EN7WZQPEERAIGNIAONES77BLSB/action/storage_attestation","attest_author":"https://pith.science/pith/EN7WZQPEERAIGNIAONES77BLSB/action/author_attestation","sign_citation":"https://pith.science/pith/EN7WZQPEERAIGNIAONES77BLSB/action/citation_signature","submit_replication":"https://pith.science/pith/EN7WZQPEERAIGNIAONES77BLSB/action/replication_record"}},"created_at":"2026-05-18T01:51:28.823745+00:00","updated_at":"2026-05-18T01:51:28.823745+00:00"}