{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:JNWH5275YZUVBRKQQRHEZDX2RF","short_pith_number":"pith:JNWH5275","canonical_record":{"source":{"id":"1803.04700","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-03-13T09:36:00Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"d58696f1feae5b2cffbb39f4e9567781073c93d9ae33a3d99f6139791b953a4a","abstract_canon_sha256":"fb9aa2fc318f2c5da697b7ee0548b1255ed1eb0ccc812154d1b3caca701a09cb"},"schema_version":"1.0"},"canonical_sha256":"4b6c7eebfdc66950c550844e4c8efa894e99b77130925d7594e4d477c2834fca","source":{"kind":"arxiv","id":"1803.04700","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.04700","created_at":"2026-05-18T00:17:59Z"},{"alias_kind":"arxiv_version","alias_value":"1803.04700v2","created_at":"2026-05-18T00:17:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.04700","created_at":"2026-05-18T00:17:59Z"},{"alias_kind":"pith_short_12","alias_value":"JNWH5275YZUV","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"JNWH5275YZUVBRKQ","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"JNWH5275","created_at":"2026-05-18T12:32:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:JNWH5275YZUVBRKQQRHEZDX2RF","target":"record","payload":{"canonical_record":{"source":{"id":"1803.04700","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-03-13T09:36:00Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"d58696f1feae5b2cffbb39f4e9567781073c93d9ae33a3d99f6139791b953a4a","abstract_canon_sha256":"fb9aa2fc318f2c5da697b7ee0548b1255ed1eb0ccc812154d1b3caca701a09cb"},"schema_version":"1.0"},"canonical_sha256":"4b6c7eebfdc66950c550844e4c8efa894e99b77130925d7594e4d477c2834fca","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:17:59.525979Z","signature_b64":"++cEGEN4mzolQcAZR0k2hfNaXeyVNAOkUexEQC5vAyD3xSRQh7jasAlLMFK0pJWlDSi1NybK+VMPG9anU3U6DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4b6c7eebfdc66950c550844e4c8efa894e99b77130925d7594e4d477c2834fca","last_reissued_at":"2026-05-18T00:17:59.525263Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:17:59.525263Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1803.04700","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":"2026-05-18T00:17:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DlttaSLI2Vq53ahHBQyEBbo8CPiNqDowK2+jpAapl+UsqISfQJ+N8HKb8//tJ01pcS1Dp1UTiAq/3qJPTTcoCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T16:04:45.066088Z"},"content_sha256":"7967050ea231ff7a0215b600096e22ed6251afa206b5236e1c147aa719a17354","schema_version":"1.0","event_id":"sha256:7967050ea231ff7a0215b600096e22ed6251afa206b5236e1c147aa719a17354"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:JNWH5275YZUVBRKQQRHEZDX2RF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Classical from Quantum","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"quant-ph","authors_text":"Timothy J. Hollowood","submitted_at":"2018-03-13T09:36:00Z","abstract_excerpt":"We consider the quantum-to-classical transition for macroscopic systems coupled to their environments. By applying Born's Rule, we are led to a particular set of quantum trajectories, or an unravelling, that describes the state of the system from the frame of reference of the subsystem. The unravelling involves a branch dependent Schmidt decomposition of the total state vector. The state in the subsystem frame, the conditioned state, is described by a Poisson process that involves a non-linear deterministic effective Schrodinger equation interspersed with quantum jumps into orthogonal states. "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.04700","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":"2026-05-18T00:17:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uTiJiRY6w0t+m042xckNKENGsFBM46NoS4IGMdxhxSEPtpM0fiRG685KDlknzXDQ7IN2hk07X7YaQKVHTDF8Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T16:04:45.066901Z"},"content_sha256":"afdc3c52e3659ab76aad6b30cf6e7b780b32f909bb279dea16f92355fbf03817","schema_version":"1.0","event_id":"sha256:afdc3c52e3659ab76aad6b30cf6e7b780b32f909bb279dea16f92355fbf03817"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JNWH5275YZUVBRKQQRHEZDX2RF/bundle.json","state_url":"https://pith.science/pith/JNWH5275YZUVBRKQQRHEZDX2RF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JNWH5275YZUVBRKQQRHEZDX2RF/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":"2026-06-09T16:04:45Z","links":{"resolver":"https://pith.science/pith/JNWH5275YZUVBRKQQRHEZDX2RF","bundle":"https://pith.science/pith/JNWH5275YZUVBRKQQRHEZDX2RF/bundle.json","state":"https://pith.science/pith/JNWH5275YZUVBRKQQRHEZDX2RF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JNWH5275YZUVBRKQQRHEZDX2RF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:JNWH5275YZUVBRKQQRHEZDX2RF","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":"fb9aa2fc318f2c5da697b7ee0548b1255ed1eb0ccc812154d1b3caca701a09cb","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-03-13T09:36:00Z","title_canon_sha256":"d58696f1feae5b2cffbb39f4e9567781073c93d9ae33a3d99f6139791b953a4a"},"schema_version":"1.0","source":{"id":"1803.04700","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.04700","created_at":"2026-05-18T00:17:59Z"},{"alias_kind":"arxiv_version","alias_value":"1803.04700v2","created_at":"2026-05-18T00:17:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.04700","created_at":"2026-05-18T00:17:59Z"},{"alias_kind":"pith_short_12","alias_value":"JNWH5275YZUV","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"JNWH5275YZUVBRKQ","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"JNWH5275","created_at":"2026-05-18T12:32:31Z"}],"graph_snapshots":[{"event_id":"sha256:afdc3c52e3659ab76aad6b30cf6e7b780b32f909bb279dea16f92355fbf03817","target":"graph","created_at":"2026-05-18T00:17:59Z","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":"We consider the quantum-to-classical transition for macroscopic systems coupled to their environments. By applying Born's Rule, we are led to a particular set of quantum trajectories, or an unravelling, that describes the state of the system from the frame of reference of the subsystem. The unravelling involves a branch dependent Schmidt decomposition of the total state vector. The state in the subsystem frame, the conditioned state, is described by a Poisson process that involves a non-linear deterministic effective Schrodinger equation interspersed with quantum jumps into orthogonal states. ","authors_text":"Timothy J. Hollowood","cross_cats":["hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-03-13T09:36:00Z","title":"Classical from Quantum"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.04700","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":"sha256:7967050ea231ff7a0215b600096e22ed6251afa206b5236e1c147aa719a17354","target":"record","created_at":"2026-05-18T00:17:59Z","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":"fb9aa2fc318f2c5da697b7ee0548b1255ed1eb0ccc812154d1b3caca701a09cb","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-03-13T09:36:00Z","title_canon_sha256":"d58696f1feae5b2cffbb39f4e9567781073c93d9ae33a3d99f6139791b953a4a"},"schema_version":"1.0","source":{"id":"1803.04700","kind":"arxiv","version":2}},"canonical_sha256":"4b6c7eebfdc66950c550844e4c8efa894e99b77130925d7594e4d477c2834fca","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4b6c7eebfdc66950c550844e4c8efa894e99b77130925d7594e4d477c2834fca","first_computed_at":"2026-05-18T00:17:59.525263Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:17:59.525263Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"++cEGEN4mzolQcAZR0k2hfNaXeyVNAOkUexEQC5vAyD3xSRQh7jasAlLMFK0pJWlDSi1NybK+VMPG9anU3U6DA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:17:59.525979Z","signed_message":"canonical_sha256_bytes"},"source_id":"1803.04700","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7967050ea231ff7a0215b600096e22ed6251afa206b5236e1c147aa719a17354","sha256:afdc3c52e3659ab76aad6b30cf6e7b780b32f909bb279dea16f92355fbf03817"],"state_sha256":"fdd39e96f8c9c316b64dde64958a9670c8769cfd5178577d6e2be485d88504e4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nsGOLyzHFJjDHw78hZF09eEAiheCvOJ+wEacWGAOPYholveezAnyG7cTvbp3Vp3l29iq6rYvztu9msezqXqpDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T16:04:45.071408Z","bundle_sha256":"3e4b918cbff353a7278b9c3960442cb710255a447752535a74046b7ea62664c9"}}