{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:6MWZIQUSFQJCF54IGDOPSHGTSR","short_pith_number":"pith:6MWZIQUS","schema_version":"1.0","canonical_sha256":"f32d9442922c1222f78830dcf91cd39466afb54a9e38051f99e886d18f9621fd","source":{"kind":"arxiv","id":"2603.14677","version":2},"attestation_state":"computed","paper":{"title":"Stochastic Collision Theory of Magnetism in Radical Fluids","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","cond-mat.stat-mech","quant-ph"],"primary_cat":"physics.chem-ph","authors_text":"Ryohei Kishi, Yoshiaki Uchida","submitted_at":"2026-03-16T00:24:26Z","abstract_excerpt":"How stochastic, microscopic events generate deterministic, macroscopic properties is a fundamental question in physics. We address this question by developing a quantum master equation model for concentrated radical solutions, where random molecular collisions govern the magnetic properties of the system. Our theory reveals a simple mechanism: the first-order exchange contribution averages to zero over collisions, while the second-order term survives as an effective ferromagnetic coupling that enhances magnetization. The model captures the experimentally observed trends in magnetic behavior th"},"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":"2603.14677","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.chem-ph","submitted_at":"2026-03-16T00:24:26Z","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.stat-mech","quant-ph"],"title_canon_sha256":"ceaeb2aa00feb4b3886443e052359af36b8969ccfb795f65cf7fcbf16de52e33","abstract_canon_sha256":"2ffd471b2c828468f698c9f71de47670fc73315a98c427eb3fdf44aa09c0c73f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-26T01:02:33.330246Z","signature_b64":"9Mzk1D7x7mxdnCX742ukfbZhniF/2v/HWKYYJIlQJjwJgA19fEtKqIkwt6Vx3/mG0wylBG5edkbDs1SMmGw8BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f32d9442922c1222f78830dcf91cd39466afb54a9e38051f99e886d18f9621fd","last_reissued_at":"2026-05-26T01:02:33.329330Z","signature_status":"signed_v1","first_computed_at":"2026-05-26T01:02:33.329330Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Stochastic Collision Theory of Magnetism in Radical Fluids","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","cond-mat.stat-mech","quant-ph"],"primary_cat":"physics.chem-ph","authors_text":"Ryohei Kishi, Yoshiaki Uchida","submitted_at":"2026-03-16T00:24:26Z","abstract_excerpt":"How stochastic, microscopic events generate deterministic, macroscopic properties is a fundamental question in physics. We address this question by developing a quantum master equation model for concentrated radical solutions, where random molecular collisions govern the magnetic properties of the system. Our theory reveals a simple mechanism: the first-order exchange contribution averages to zero over collisions, while the second-order term survives as an effective ferromagnetic coupling that enhances magnetization. The model captures the experimentally observed trends in magnetic behavior th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2603.14677","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/2603.14677/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":"2603.14677","created_at":"2026-05-26T01:02:33.329452+00:00"},{"alias_kind":"arxiv_version","alias_value":"2603.14677v2","created_at":"2026-05-26T01:02:33.329452+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2603.14677","created_at":"2026-05-26T01:02:33.329452+00:00"},{"alias_kind":"pith_short_12","alias_value":"6MWZIQUSFQJC","created_at":"2026-05-26T01:02:33.329452+00:00"},{"alias_kind":"pith_short_16","alias_value":"6MWZIQUSFQJCF54I","created_at":"2026-05-26T01:02:33.329452+00:00"},{"alias_kind":"pith_short_8","alias_value":"6MWZIQUS","created_at":"2026-05-26T01:02:33.329452+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/6MWZIQUSFQJCF54IGDOPSHGTSR","json":"https://pith.science/pith/6MWZIQUSFQJCF54IGDOPSHGTSR.json","graph_json":"https://pith.science/api/pith-number/6MWZIQUSFQJCF54IGDOPSHGTSR/graph.json","events_json":"https://pith.science/api/pith-number/6MWZIQUSFQJCF54IGDOPSHGTSR/events.json","paper":"https://pith.science/paper/6MWZIQUS"},"agent_actions":{"view_html":"https://pith.science/pith/6MWZIQUSFQJCF54IGDOPSHGTSR","download_json":"https://pith.science/pith/6MWZIQUSFQJCF54IGDOPSHGTSR.json","view_paper":"https://pith.science/paper/6MWZIQUS","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2603.14677&json=true","fetch_graph":"https://pith.science/api/pith-number/6MWZIQUSFQJCF54IGDOPSHGTSR/graph.json","fetch_events":"https://pith.science/api/pith-number/6MWZIQUSFQJCF54IGDOPSHGTSR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6MWZIQUSFQJCF54IGDOPSHGTSR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6MWZIQUSFQJCF54IGDOPSHGTSR/action/storage_attestation","attest_author":"https://pith.science/pith/6MWZIQUSFQJCF54IGDOPSHGTSR/action/author_attestation","sign_citation":"https://pith.science/pith/6MWZIQUSFQJCF54IGDOPSHGTSR/action/citation_signature","submit_replication":"https://pith.science/pith/6MWZIQUSFQJCF54IGDOPSHGTSR/action/replication_record"}},"created_at":"2026-05-26T01:02:33.329452+00:00","updated_at":"2026-05-26T01:02:33.329452+00:00"}