{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:O2LYGC2QKC3HW3EZ36SGRS45R3","short_pith_number":"pith:O2LYGC2Q","canonical_record":{"source":{"id":"1403.5947","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2014-03-24T13:29:15Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"0d835dd389d00fa2aa28d2deafe4cb454fe8e1dc3ac29457fb209c0ccc1cf7a7","abstract_canon_sha256":"650c82950d3d3ee0688da964dd8bc1d3d5f4ecc471896b31a37e23215c1acd31"},"schema_version":"1.0"},"canonical_sha256":"7697830b5050b67b6c99dfa468cb9d8ee548749f604cdf332f72b029e52c0403","source":{"kind":"arxiv","id":"1403.5947","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1403.5947","created_at":"2026-05-18T01:43:51Z"},{"alias_kind":"arxiv_version","alias_value":"1403.5947v2","created_at":"2026-05-18T01:43:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.5947","created_at":"2026-05-18T01:43:51Z"},{"alias_kind":"pith_short_12","alias_value":"O2LYGC2QKC3H","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"O2LYGC2QKC3HW3EZ","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"O2LYGC2Q","created_at":"2026-05-18T12:28:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:O2LYGC2QKC3HW3EZ36SGRS45R3","target":"record","payload":{"canonical_record":{"source":{"id":"1403.5947","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2014-03-24T13:29:15Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"0d835dd389d00fa2aa28d2deafe4cb454fe8e1dc3ac29457fb209c0ccc1cf7a7","abstract_canon_sha256":"650c82950d3d3ee0688da964dd8bc1d3d5f4ecc471896b31a37e23215c1acd31"},"schema_version":"1.0"},"canonical_sha256":"7697830b5050b67b6c99dfa468cb9d8ee548749f604cdf332f72b029e52c0403","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:43:51.925955Z","signature_b64":"Aql/OfSckZ+GuNeyuQat0JDRpgyZRgFgX8/I8zN34rmzu7W2jzh2AC3hATYQfaUrod2AeUa3Z6pizHvzfKfCCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7697830b5050b67b6c99dfa468cb9d8ee548749f604cdf332f72b029e52c0403","last_reissued_at":"2026-05-18T01:43:51.925287Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:43:51.925287Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1403.5947","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":"2026-05-18T01:43:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nV3Y8aH3nqEbqC1WspiBPxr5mE0Pye/Sci2kYCYU7eNdAzN/ELwXhPL8npTd/+3c7142tmbrDu+UGR+Os4EBCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T18:26:36.223438Z"},"content_sha256":"75721bc201a293324e457dd7e4f8cae9ac8ca75b0e6fabc3af499ca15447b205","schema_version":"1.0","event_id":"sha256:75721bc201a293324e457dd7e4f8cae9ac8ca75b0e6fabc3af499ca15447b205"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:O2LYGC2QKC3HW3EZ36SGRS45R3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Schrodinger's Cat and the Firewall","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"hep-th","authors_text":"Timothy J. Hollowood","submitted_at":"2014-03-24T13:29:15Z","abstract_excerpt":"It has been argued that when black holes are treated as quantum systems there are implications at the horizon and not just the singularity. Infalling observers will meet a firewall of high energy quanta. We argue that the question of whether an observer falling into a black hole experiences a smooth horizon or a firewall is identical to the question of whether Schrodinger's cat is either in a definite state, alive or dead, or in a superposition of the two. Since experience with real macro-systems indicate the former, the black hole state vector is seen to describe a set of decoherent alternati"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.5947","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:43:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/ZSULXAdgcntbVGsSws8S0C1W2QI3KOxMJNqEaN/VwG/XmuAGa81qKe6BoHdduq381KOpFTv544LZx4lYrnJCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T18:26:36.224176Z"},"content_sha256":"97aa5939ccbaf609cdfd2a137d4e2c69c24de95489e5b226f3302f5829950093","schema_version":"1.0","event_id":"sha256:97aa5939ccbaf609cdfd2a137d4e2c69c24de95489e5b226f3302f5829950093"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/O2LYGC2QKC3HW3EZ36SGRS45R3/bundle.json","state_url":"https://pith.science/pith/O2LYGC2QKC3HW3EZ36SGRS45R3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/O2LYGC2QKC3HW3EZ36SGRS45R3/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":"2026-06-09T18:26:36Z","links":{"resolver":"https://pith.science/pith/O2LYGC2QKC3HW3EZ36SGRS45R3","bundle":"https://pith.science/pith/O2LYGC2QKC3HW3EZ36SGRS45R3/bundle.json","state":"https://pith.science/pith/O2LYGC2QKC3HW3EZ36SGRS45R3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/O2LYGC2QKC3HW3EZ36SGRS45R3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:O2LYGC2QKC3HW3EZ36SGRS45R3","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":"650c82950d3d3ee0688da964dd8bc1d3d5f4ecc471896b31a37e23215c1acd31","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2014-03-24T13:29:15Z","title_canon_sha256":"0d835dd389d00fa2aa28d2deafe4cb454fe8e1dc3ac29457fb209c0ccc1cf7a7"},"schema_version":"1.0","source":{"id":"1403.5947","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1403.5947","created_at":"2026-05-18T01:43:51Z"},{"alias_kind":"arxiv_version","alias_value":"1403.5947v2","created_at":"2026-05-18T01:43:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.5947","created_at":"2026-05-18T01:43:51Z"},{"alias_kind":"pith_short_12","alias_value":"O2LYGC2QKC3H","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"O2LYGC2QKC3HW3EZ","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"O2LYGC2Q","created_at":"2026-05-18T12:28:41Z"}],"graph_snapshots":[{"event_id":"sha256:97aa5939ccbaf609cdfd2a137d4e2c69c24de95489e5b226f3302f5829950093","target":"graph","created_at":"2026-05-18T01:43:51Z","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"},"paper":{"abstract_excerpt":"It has been argued that when black holes are treated as quantum systems there are implications at the horizon and not just the singularity. Infalling observers will meet a firewall of high energy quanta. We argue that the question of whether an observer falling into a black hole experiences a smooth horizon or a firewall is identical to the question of whether Schrodinger's cat is either in a definite state, alive or dead, or in a superposition of the two. Since experience with real macro-systems indicate the former, the black hole state vector is seen to describe a set of decoherent alternati","authors_text":"Timothy J. Hollowood","cross_cats":["quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2014-03-24T13:29:15Z","title":"Schrodinger's Cat and the Firewall"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.5947","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":"sha256:75721bc201a293324e457dd7e4f8cae9ac8ca75b0e6fabc3af499ca15447b205","target":"record","created_at":"2026-05-18T01:43:51Z","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":"650c82950d3d3ee0688da964dd8bc1d3d5f4ecc471896b31a37e23215c1acd31","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2014-03-24T13:29:15Z","title_canon_sha256":"0d835dd389d00fa2aa28d2deafe4cb454fe8e1dc3ac29457fb209c0ccc1cf7a7"},"schema_version":"1.0","source":{"id":"1403.5947","kind":"arxiv","version":2}},"canonical_sha256":"7697830b5050b67b6c99dfa468cb9d8ee548749f604cdf332f72b029e52c0403","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7697830b5050b67b6c99dfa468cb9d8ee548749f604cdf332f72b029e52c0403","first_computed_at":"2026-05-18T01:43:51.925287Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:43:51.925287Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Aql/OfSckZ+GuNeyuQat0JDRpgyZRgFgX8/I8zN34rmzu7W2jzh2AC3hATYQfaUrod2AeUa3Z6pizHvzfKfCCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:43:51.925955Z","signed_message":"canonical_sha256_bytes"},"source_id":"1403.5947","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:75721bc201a293324e457dd7e4f8cae9ac8ca75b0e6fabc3af499ca15447b205","sha256:97aa5939ccbaf609cdfd2a137d4e2c69c24de95489e5b226f3302f5829950093"],"state_sha256":"b9b56043cfe9d25bb67bc82486a6485e2d20a6a751a97fe9eec01d6bb9f88ccc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WPqlqSPZBiCVLmIDxiDfeuRJuL4upC2cAoQZnAmFoXxNSzgwz3QzRboKj1FHlx93PUlx0wVOgKTcMex9Da6bCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T18:26:36.228392Z","bundle_sha256":"3da7367a3874fb7601cbd50b110497350f9c449492f62460ebba35b3bb7a1db7"}}