{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:CUPZPS7VS5RAJGJZZT7DALGAQC","short_pith_number":"pith:CUPZPS7V","canonical_record":{"source":{"id":"1001.2338","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2010-01-13T23:38:48Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"d8eec0c5392aab6196e3747a8478f700d3045e870651ec19616a7f839b80f0f7","abstract_canon_sha256":"cae2d9a37fb04c15664039b6bc75ae1cde4d54a2582616bb16931cb857be321f"},"schema_version":"1.0"},"canonical_sha256":"151f97cbf59762049939ccfe302cc08090630cd013f390c8a8feb7d9c576ca48","source":{"kind":"arxiv","id":"1001.2338","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1001.2338","created_at":"2026-05-18T02:09:52Z"},{"alias_kind":"arxiv_version","alias_value":"1001.2338v2","created_at":"2026-05-18T02:09:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.2338","created_at":"2026-05-18T02:09:52Z"},{"alias_kind":"pith_short_12","alias_value":"CUPZPS7VS5RA","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_16","alias_value":"CUPZPS7VS5RAJGJZ","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_8","alias_value":"CUPZPS7V","created_at":"2026-05-18T12:26:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:CUPZPS7VS5RAJGJZZT7DALGAQC","target":"record","payload":{"canonical_record":{"source":{"id":"1001.2338","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2010-01-13T23:38:48Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"d8eec0c5392aab6196e3747a8478f700d3045e870651ec19616a7f839b80f0f7","abstract_canon_sha256":"cae2d9a37fb04c15664039b6bc75ae1cde4d54a2582616bb16931cb857be321f"},"schema_version":"1.0"},"canonical_sha256":"151f97cbf59762049939ccfe302cc08090630cd013f390c8a8feb7d9c576ca48","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:09:52.399464Z","signature_b64":"K83y+THo2Bml5A9KYl/4TWep7AZP1FONElIcuc/7JzfLWVhuTbHFkZ6eHaSsZvkKhBJr8ZdmkjSo2OoiSwiJAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"151f97cbf59762049939ccfe302cc08090630cd013f390c8a8feb7d9c576ca48","last_reissued_at":"2026-05-18T02:09:52.398686Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:09:52.398686Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1001.2338","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":"2026-05-18T02:09:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6ICgTZFK1MOjwZW9mJPSoZTGSPgSDi1vK/KTJdqDNDmy/G2cMnNlFhUF5unh8M347soZv8vOB3k0HhUxEz4UBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T13:25:51.173459Z"},"content_sha256":"2db446748284f717d6be538bbaf91807de08059b1554b56573ff7a2ddd5d49c2","schema_version":"1.0","event_id":"sha256:2db446748284f717d6be538bbaf91807de08059b1554b56573ff7a2ddd5d49c2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:CUPZPS7VS5RAJGJZZT7DALGAQC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dirac's method for constraints - an application to quantum wires,the 0.7 conductance anomaly","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.str-el","authors_text":"D.Schmeltzer","submitted_at":"2010-01-13T23:38:48Z","abstract_excerpt":"We investigate the Hubbard model in the limit $U=\\infty$, which is equivalent to the statistical condition of exclusion of double occupancy. We solve this problem using Dirac's method for constraints. The constraints are solved within the Bosonization method. We find that the constraints modify the anomalous commutator.\n  We apply this theory to quantum wires at finite temperatures where the Hubbard interaction is $U=\\infty$. We find that the anomalous commutator induced by the constraints gives rise to the 0.7 anomalous conductance."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.2338","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":"2026-05-18T02:09:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"//IQTxqvML9toVRvT/+rKZUnnCxqlRwUySePXxQBfizRC4398zHJE7vV+XOQLRzx4rjE2Z7FeYJ2bFVYvvarAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T13:25:51.173804Z"},"content_sha256":"9fa09fd89de718eb63e55ac0e07eafaa746cc674c63668ad74dec92c0c514af1","schema_version":"1.0","event_id":"sha256:9fa09fd89de718eb63e55ac0e07eafaa746cc674c63668ad74dec92c0c514af1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CUPZPS7VS5RAJGJZZT7DALGAQC/bundle.json","state_url":"https://pith.science/pith/CUPZPS7VS5RAJGJZZT7DALGAQC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CUPZPS7VS5RAJGJZZT7DALGAQC/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":"2026-06-01T13:25:51Z","links":{"resolver":"https://pith.science/pith/CUPZPS7VS5RAJGJZZT7DALGAQC","bundle":"https://pith.science/pith/CUPZPS7VS5RAJGJZZT7DALGAQC/bundle.json","state":"https://pith.science/pith/CUPZPS7VS5RAJGJZZT7DALGAQC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CUPZPS7VS5RAJGJZZT7DALGAQC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:CUPZPS7VS5RAJGJZZT7DALGAQC","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":"cae2d9a37fb04c15664039b6bc75ae1cde4d54a2582616bb16931cb857be321f","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2010-01-13T23:38:48Z","title_canon_sha256":"d8eec0c5392aab6196e3747a8478f700d3045e870651ec19616a7f839b80f0f7"},"schema_version":"1.0","source":{"id":"1001.2338","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1001.2338","created_at":"2026-05-18T02:09:52Z"},{"alias_kind":"arxiv_version","alias_value":"1001.2338v2","created_at":"2026-05-18T02:09:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.2338","created_at":"2026-05-18T02:09:52Z"},{"alias_kind":"pith_short_12","alias_value":"CUPZPS7VS5RA","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_16","alias_value":"CUPZPS7VS5RAJGJZ","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_8","alias_value":"CUPZPS7V","created_at":"2026-05-18T12:26:06Z"}],"graph_snapshots":[{"event_id":"sha256:9fa09fd89de718eb63e55ac0e07eafaa746cc674c63668ad74dec92c0c514af1","target":"graph","created_at":"2026-05-18T02:09:52Z","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 investigate the Hubbard model in the limit $U=\\infty$, which is equivalent to the statistical condition of exclusion of double occupancy. We solve this problem using Dirac's method for constraints. The constraints are solved within the Bosonization method. We find that the constraints modify the anomalous commutator.\n  We apply this theory to quantum wires at finite temperatures where the Hubbard interaction is $U=\\infty$. We find that the anomalous commutator induced by the constraints gives rise to the 0.7 anomalous conductance.","authors_text":"D.Schmeltzer","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2010-01-13T23:38:48Z","title":"Dirac's method for constraints - an application to quantum wires,the 0.7 conductance anomaly"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.2338","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":"sha256:2db446748284f717d6be538bbaf91807de08059b1554b56573ff7a2ddd5d49c2","target":"record","created_at":"2026-05-18T02:09:52Z","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":"cae2d9a37fb04c15664039b6bc75ae1cde4d54a2582616bb16931cb857be321f","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2010-01-13T23:38:48Z","title_canon_sha256":"d8eec0c5392aab6196e3747a8478f700d3045e870651ec19616a7f839b80f0f7"},"schema_version":"1.0","source":{"id":"1001.2338","kind":"arxiv","version":2}},"canonical_sha256":"151f97cbf59762049939ccfe302cc08090630cd013f390c8a8feb7d9c576ca48","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"151f97cbf59762049939ccfe302cc08090630cd013f390c8a8feb7d9c576ca48","first_computed_at":"2026-05-18T02:09:52.398686Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:09:52.398686Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"K83y+THo2Bml5A9KYl/4TWep7AZP1FONElIcuc/7JzfLWVhuTbHFkZ6eHaSsZvkKhBJr8ZdmkjSo2OoiSwiJAA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:09:52.399464Z","signed_message":"canonical_sha256_bytes"},"source_id":"1001.2338","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2db446748284f717d6be538bbaf91807de08059b1554b56573ff7a2ddd5d49c2","sha256:9fa09fd89de718eb63e55ac0e07eafaa746cc674c63668ad74dec92c0c514af1"],"state_sha256":"060d7d6cf50f6d930d8192d2d5b0efde64498cc31b23e2ea4e16b46aecf271e7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kSXgITV6o45RjBBiZUKPePJUIut94RT9f1NxE+dI0GaixMjT8poJm++8z5MVIW0vcUa78J1WkXfT/8eCrUh9Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T13:25:51.175828Z","bundle_sha256":"577696693372fc69b8cdb92898c70df0e4ec4cd17b10be4c76ce815db9723d2b"}}