{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:T4VZ5553YL4QLIURTYBXVFRZPE","short_pith_number":"pith:T4VZ5553","canonical_record":{"source":{"id":"2307.13218","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2023-07-25T03:10:53Z","cross_cats_sorted":["physics.hist-ph"],"title_canon_sha256":"58e8f11d22b332a5fa1bfa7f2afa0e363a522754b3f982b1001697a60d2fdbfa","abstract_canon_sha256":"f1707f503a5f7c994fd5db9d52fc3093313e0829f81d9a7bb20917630cd2142e"},"schema_version":"1.0"},"canonical_sha256":"9f2b9ef7bbc2f905a2919e037a96397916b4ab79c5af5d10e82e46b90406b50c","source":{"kind":"arxiv","id":"2307.13218","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.13218","created_at":"2026-07-05T10:49:42Z"},{"alias_kind":"arxiv_version","alias_value":"2307.13218v2","created_at":"2026-07-05T10:49:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.13218","created_at":"2026-07-05T10:49:42Z"},{"alias_kind":"pith_short_12","alias_value":"T4VZ5553YL4Q","created_at":"2026-07-05T10:49:42Z"},{"alias_kind":"pith_short_16","alias_value":"T4VZ5553YL4QLIUR","created_at":"2026-07-05T10:49:42Z"},{"alias_kind":"pith_short_8","alias_value":"T4VZ5553","created_at":"2026-07-05T10:49:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:T4VZ5553YL4QLIURTYBXVFRZPE","target":"record","payload":{"canonical_record":{"source":{"id":"2307.13218","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2023-07-25T03:10:53Z","cross_cats_sorted":["physics.hist-ph"],"title_canon_sha256":"58e8f11d22b332a5fa1bfa7f2afa0e363a522754b3f982b1001697a60d2fdbfa","abstract_canon_sha256":"f1707f503a5f7c994fd5db9d52fc3093313e0829f81d9a7bb20917630cd2142e"},"schema_version":"1.0"},"canonical_sha256":"9f2b9ef7bbc2f905a2919e037a96397916b4ab79c5af5d10e82e46b90406b50c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:49:42.509584Z","signature_b64":"SoQ+AYIJq5YlrmFqKq1HCeZeWpeLeB6Ornbmd9PWM/LkLpt1ns7g6A/2jpiD764BdoMzXTWGHlb1XFBO0uVfCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9f2b9ef7bbc2f905a2919e037a96397916b4ab79c5af5d10e82e46b90406b50c","last_reissued_at":"2026-07-05T10:49:42.509227Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:49:42.509227Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2307.13218","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":"2026-07-05T10:49:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vV5pY+7QyTsHpxcrgW9ta8Ebnpzah1APeAG3U/4zSOxYbE+FNyMAY3+cj4e1HVGmaKfXTnEZqJX2ri1r0HBgCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T21:20:16.806433Z"},"content_sha256":"a903031772990766acba336d6670770c0a181e2555108755a294e36474c8465c","schema_version":"1.0","event_id":"sha256:a903031772990766acba336d6670770c0a181e2555108755a294e36474c8465c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:T4VZ5553YL4QLIURTYBXVFRZPE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Decoherence, Branching, and the Born Rule in a Mixed-State Everettian Multiverse","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.hist-ph"],"primary_cat":"quant-ph","authors_text":"Eddy Keming Chen, Eugene Y. S. Chua","submitted_at":"2023-07-25T03:10:53Z","abstract_excerpt":"In Everettian quantum mechanics, justifications for the Born rule appeal to self-locating uncertainty or decision theory. Such justifications have focused exclusively on a pure-state Everettian multiverse, represented by a wave function. Recent works in quantum foundations suggest that it is viable to consider a mixed-state Everettian multiverse, represented by a (mixed-state) density matrix. Here, we develop the conceptual foundations for decoherence and branching in a mixed-state multiverse, and extend arguments for the Born rule to this setting. This extended framework provides a unificatio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.13218","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/2307.13218/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":"2026-07-05T10:49:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mhSmty93Qod0l9sontYPZ5dI/sAEm4vFggNjvqpL5+bXe5tpR+oos5Y5uejVQHmklcdrsAVRmEcnJsQjyM07Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T21:20:16.807036Z"},"content_sha256":"fe89260e5feee192b75b5958f1b0790227482629f57d61075dd18a57164535a0","schema_version":"1.0","event_id":"sha256:fe89260e5feee192b75b5958f1b0790227482629f57d61075dd18a57164535a0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/T4VZ5553YL4QLIURTYBXVFRZPE/bundle.json","state_url":"https://pith.science/pith/T4VZ5553YL4QLIURTYBXVFRZPE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/T4VZ5553YL4QLIURTYBXVFRZPE/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":"2026-08-14T21:20:16Z","links":{"resolver":"https://pith.science/pith/T4VZ5553YL4QLIURTYBXVFRZPE","bundle":"https://pith.science/pith/T4VZ5553YL4QLIURTYBXVFRZPE/bundle.json","state":"https://pith.science/pith/T4VZ5553YL4QLIURTYBXVFRZPE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/T4VZ5553YL4QLIURTYBXVFRZPE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:T4VZ5553YL4QLIURTYBXVFRZPE","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":"f1707f503a5f7c994fd5db9d52fc3093313e0829f81d9a7bb20917630cd2142e","cross_cats_sorted":["physics.hist-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2023-07-25T03:10:53Z","title_canon_sha256":"58e8f11d22b332a5fa1bfa7f2afa0e363a522754b3f982b1001697a60d2fdbfa"},"schema_version":"1.0","source":{"id":"2307.13218","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.13218","created_at":"2026-07-05T10:49:42Z"},{"alias_kind":"arxiv_version","alias_value":"2307.13218v2","created_at":"2026-07-05T10:49:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.13218","created_at":"2026-07-05T10:49:42Z"},{"alias_kind":"pith_short_12","alias_value":"T4VZ5553YL4Q","created_at":"2026-07-05T10:49:42Z"},{"alias_kind":"pith_short_16","alias_value":"T4VZ5553YL4QLIUR","created_at":"2026-07-05T10:49:42Z"},{"alias_kind":"pith_short_8","alias_value":"T4VZ5553","created_at":"2026-07-05T10:49:42Z"}],"graph_snapshots":[{"event_id":"sha256:fe89260e5feee192b75b5958f1b0790227482629f57d61075dd18a57164535a0","target":"graph","created_at":"2026-07-05T10:49:42Z","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/2307.13218/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In Everettian quantum mechanics, justifications for the Born rule appeal to self-locating uncertainty or decision theory. Such justifications have focused exclusively on a pure-state Everettian multiverse, represented by a wave function. Recent works in quantum foundations suggest that it is viable to consider a mixed-state Everettian multiverse, represented by a (mixed-state) density matrix. Here, we develop the conceptual foundations for decoherence and branching in a mixed-state multiverse, and extend arguments for the Born rule to this setting. This extended framework provides a unificatio","authors_text":"Eddy Keming Chen, Eugene Y. S. Chua","cross_cats":["physics.hist-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2023-07-25T03:10:53Z","title":"Decoherence, Branching, and the Born Rule in a Mixed-State Everettian Multiverse"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.13218","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:a903031772990766acba336d6670770c0a181e2555108755a294e36474c8465c","target":"record","created_at":"2026-07-05T10:49:42Z","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":"f1707f503a5f7c994fd5db9d52fc3093313e0829f81d9a7bb20917630cd2142e","cross_cats_sorted":["physics.hist-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2023-07-25T03:10:53Z","title_canon_sha256":"58e8f11d22b332a5fa1bfa7f2afa0e363a522754b3f982b1001697a60d2fdbfa"},"schema_version":"1.0","source":{"id":"2307.13218","kind":"arxiv","version":2}},"canonical_sha256":"9f2b9ef7bbc2f905a2919e037a96397916b4ab79c5af5d10e82e46b90406b50c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9f2b9ef7bbc2f905a2919e037a96397916b4ab79c5af5d10e82e46b90406b50c","first_computed_at":"2026-07-05T10:49:42.509227Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:49:42.509227Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SoQ+AYIJq5YlrmFqKq1HCeZeWpeLeB6Ornbmd9PWM/LkLpt1ns7g6A/2jpiD764BdoMzXTWGHlb1XFBO0uVfCg==","signature_status":"signed_v1","signed_at":"2026-07-05T10:49:42.509584Z","signed_message":"canonical_sha256_bytes"},"source_id":"2307.13218","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a903031772990766acba336d6670770c0a181e2555108755a294e36474c8465c","sha256:fe89260e5feee192b75b5958f1b0790227482629f57d61075dd18a57164535a0"],"state_sha256":"26909d3ccaf69ea7c9c18765ab1d8d587d0d8c3928f945d0067c0d904f95fd5c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0RwlrQmbhsZNyKTAvT5xTOWBC7jzwjFSNm3KOtcfj/A0uvEBZlBILBjElbs+AqCPX/v6GchDdzYxcBL8S7URCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T21:20:16.814420Z","bundle_sha256":"24cdec1fefc390548cb67a258c6356336202fc15ddb62850ddde1e5f8ea26a25"}}