{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:NIHIFHKF3HFA4F533RWNJ4GAPF","short_pith_number":"pith:NIHIFHKF","schema_version":"1.0","canonical_sha256":"6a0e829d45d9ca0e17bbdc6cd4f0c07979e543e03533283f3df7a3f470876a23","source":{"kind":"arxiv","id":"2403.10895","version":4},"attestation_state":"computed","paper":{"title":"A Search for Classical Subsystems in Quantum Worlds","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-th"],"primary_cat":"quant-ph","authors_text":"Andreas Albrecht, Andrew Arrasmith, Andrew Sornborger, Arsalan Adil, Manuel S. Rudolph, Zo\\\"e Holmes","submitted_at":"2024-03-16T11:12:31Z","abstract_excerpt":"Decoherence and einselection have been effective in explaining several features of an emergent classical world from an underlying quantum theory. However, the theory assumes a particular factorization of the global Hilbert space into constituent system and environment subsystems, as well as specially constructed Hamiltonians. In this work, we take a systematic approach to discover, given a fixed Hamiltonian, (potentially) several factorizations (or tensor product structures) of a global Hilbert space that admit a quasi-classical description of subsystems in the sense that certain states (the \""},"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":"2403.10895","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-03-16T11:12:31Z","cross_cats_sorted":["gr-qc","hep-th"],"title_canon_sha256":"6d1c8f00ef43a771db2d6a6aa11632a0ffce24d5108eee9728f8e106ac57a2a0","abstract_canon_sha256":"6dc52fd4da98e4056fcf0889bf2a8daf1d653d292fcbddc3e9cd5344d5370b78"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-28T02:04:38.870415Z","signature_b64":"mqUOvn4Yp8vcJbIB+FimC2PryNAUL9TSs6C3ho9Rdn0zokuOBcc2T8hT9fwIDMdGLIsHaLo+0K9Ja6wkCIZpCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6a0e829d45d9ca0e17bbdc6cd4f0c07979e543e03533283f3df7a3f470876a23","last_reissued_at":"2026-05-28T02:04:38.869772Z","signature_status":"signed_v1","first_computed_at":"2026-05-28T02:04:38.869772Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Search for Classical Subsystems in Quantum Worlds","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-th"],"primary_cat":"quant-ph","authors_text":"Andreas Albrecht, Andrew Arrasmith, Andrew Sornborger, Arsalan Adil, Manuel S. Rudolph, Zo\\\"e Holmes","submitted_at":"2024-03-16T11:12:31Z","abstract_excerpt":"Decoherence and einselection have been effective in explaining several features of an emergent classical world from an underlying quantum theory. However, the theory assumes a particular factorization of the global Hilbert space into constituent system and environment subsystems, as well as specially constructed Hamiltonians. In this work, we take a systematic approach to discover, given a fixed Hamiltonian, (potentially) several factorizations (or tensor product structures) of a global Hilbert space that admit a quasi-classical description of subsystems in the sense that certain states (the \""},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.10895","kind":"arxiv","version":4},"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/2403.10895/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2403.10895","created_at":"2026-05-28T02:04:38.869851+00:00"},{"alias_kind":"arxiv_version","alias_value":"2403.10895v4","created_at":"2026-05-28T02:04:38.869851+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2403.10895","created_at":"2026-05-28T02:04:38.869851+00:00"},{"alias_kind":"pith_short_12","alias_value":"NIHIFHKF3HFA","created_at":"2026-05-28T02:04:38.869851+00:00"},{"alias_kind":"pith_short_16","alias_value":"NIHIFHKF3HFA4F53","created_at":"2026-05-28T02:04:38.869851+00:00"},{"alias_kind":"pith_short_8","alias_value":"NIHIFHKF","created_at":"2026-05-28T02:04:38.869851+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/NIHIFHKF3HFA4F533RWNJ4GAPF","json":"https://pith.science/pith/NIHIFHKF3HFA4F533RWNJ4GAPF.json","graph_json":"https://pith.science/api/pith-number/NIHIFHKF3HFA4F533RWNJ4GAPF/graph.json","events_json":"https://pith.science/api/pith-number/NIHIFHKF3HFA4F533RWNJ4GAPF/events.json","paper":"https://pith.science/paper/NIHIFHKF"},"agent_actions":{"view_html":"https://pith.science/pith/NIHIFHKF3HFA4F533RWNJ4GAPF","download_json":"https://pith.science/pith/NIHIFHKF3HFA4F533RWNJ4GAPF.json","view_paper":"https://pith.science/paper/NIHIFHKF","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2403.10895&json=true","fetch_graph":"https://pith.science/api/pith-number/NIHIFHKF3HFA4F533RWNJ4GAPF/graph.json","fetch_events":"https://pith.science/api/pith-number/NIHIFHKF3HFA4F533RWNJ4GAPF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NIHIFHKF3HFA4F533RWNJ4GAPF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NIHIFHKF3HFA4F533RWNJ4GAPF/action/storage_attestation","attest_author":"https://pith.science/pith/NIHIFHKF3HFA4F533RWNJ4GAPF/action/author_attestation","sign_citation":"https://pith.science/pith/NIHIFHKF3HFA4F533RWNJ4GAPF/action/citation_signature","submit_replication":"https://pith.science/pith/NIHIFHKF3HFA4F533RWNJ4GAPF/action/replication_record"}},"created_at":"2026-05-28T02:04:38.869851+00:00","updated_at":"2026-05-28T02:04:38.869851+00:00"}