{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:VKLIBFFVBOD6PNXGIU6LACHCAY","short_pith_number":"pith:VKLIBFFV","schema_version":"1.0","canonical_sha256":"aa968094b50b87e7b6e6453cb008e20602c1d787b93ecc236f3d65a6e959792b","source":{"kind":"arxiv","id":"2206.00545","version":1},"attestation_state":"computed","paper":{"title":"Grassmann higher-order tensor renormalization group approach for two-dimensional strong-coupling QCD","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech"],"primary_cat":"hep-lat","authors_text":"Jacques Bloch, Robert Lohmayer","submitted_at":"2022-06-01T14:58:14Z","abstract_excerpt":"We present a tensor-network approach for two-dimensional strong-coupling QCD with staggered quarks at nonzero chemical potential. After integrating out the gauge fields at infinite coupling, the partition function can be written as a full contraction of a tensor network consisting of coupled local numeric and Grassmann tensors. To evaluate the partition function and to compute observables, we develop a Grassmann higher-order tensor renormalization group method, specifically tailored for this model. During the coarsening procedure, the blocking of adjacent Grassmann tensors is performed analyti"},"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":"2206.00545","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2022-06-01T14:58:14Z","cross_cats_sorted":["cond-mat.stat-mech"],"title_canon_sha256":"6798269d5b39b125aa97c92081a3abe540eaaa7fb479e3d5a0f96e6fad11af5c","abstract_canon_sha256":"d13e2923a767524d856524b6a555dc4913e770149f3b094abc27249059ddc32f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:28:23.267793Z","signature_b64":"fNQkFQnHw4ADd3+e+yAQ9EhBxYgOq99ZTarA2UtK3+G9dpY+fRXQxhUpI5XyF6pyp2FL2BSwUIYqTVDnjrrvBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aa968094b50b87e7b6e6453cb008e20602c1d787b93ecc236f3d65a6e959792b","last_reissued_at":"2026-07-05T05:28:23.267402Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:28:23.267402Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Grassmann higher-order tensor renormalization group approach for two-dimensional strong-coupling QCD","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech"],"primary_cat":"hep-lat","authors_text":"Jacques Bloch, Robert Lohmayer","submitted_at":"2022-06-01T14:58:14Z","abstract_excerpt":"We present a tensor-network approach for two-dimensional strong-coupling QCD with staggered quarks at nonzero chemical potential. After integrating out the gauge fields at infinite coupling, the partition function can be written as a full contraction of a tensor network consisting of coupled local numeric and Grassmann tensors. To evaluate the partition function and to compute observables, we develop a Grassmann higher-order tensor renormalization group method, specifically tailored for this model. During the coarsening procedure, the blocking of adjacent Grassmann tensors is performed analyti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2206.00545","kind":"arxiv","version":1},"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/2206.00545/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":"2206.00545","created_at":"2026-07-05T05:28:23.267451+00:00"},{"alias_kind":"arxiv_version","alias_value":"2206.00545v1","created_at":"2026-07-05T05:28:23.267451+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2206.00545","created_at":"2026-07-05T05:28:23.267451+00:00"},{"alias_kind":"pith_short_12","alias_value":"VKLIBFFVBOD6","created_at":"2026-07-05T05:28:23.267451+00:00"},{"alias_kind":"pith_short_16","alias_value":"VKLIBFFVBOD6PNXG","created_at":"2026-07-05T05:28:23.267451+00:00"},{"alias_kind":"pith_short_8","alias_value":"VKLIBFFV","created_at":"2026-07-05T05:28:23.267451+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2606.22321","citing_title":"Multi-particle states investigation with tensor renormalization group method","ref_index":57,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/VKLIBFFVBOD6PNXGIU6LACHCAY","json":"https://pith.science/pith/VKLIBFFVBOD6PNXGIU6LACHCAY.json","graph_json":"https://pith.science/api/pith-number/VKLIBFFVBOD6PNXGIU6LACHCAY/graph.json","events_json":"https://pith.science/api/pith-number/VKLIBFFVBOD6PNXGIU6LACHCAY/events.json","paper":"https://pith.science/paper/VKLIBFFV"},"agent_actions":{"view_html":"https://pith.science/pith/VKLIBFFVBOD6PNXGIU6LACHCAY","download_json":"https://pith.science/pith/VKLIBFFVBOD6PNXGIU6LACHCAY.json","view_paper":"https://pith.science/paper/VKLIBFFV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2206.00545&json=true","fetch_graph":"https://pith.science/api/pith-number/VKLIBFFVBOD6PNXGIU6LACHCAY/graph.json","fetch_events":"https://pith.science/api/pith-number/VKLIBFFVBOD6PNXGIU6LACHCAY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VKLIBFFVBOD6PNXGIU6LACHCAY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VKLIBFFVBOD6PNXGIU6LACHCAY/action/storage_attestation","attest_author":"https://pith.science/pith/VKLIBFFVBOD6PNXGIU6LACHCAY/action/author_attestation","sign_citation":"https://pith.science/pith/VKLIBFFVBOD6PNXGIU6LACHCAY/action/citation_signature","submit_replication":"https://pith.science/pith/VKLIBFFVBOD6PNXGIU6LACHCAY/action/replication_record"}},"created_at":"2026-07-05T05:28:23.267451+00:00","updated_at":"2026-07-05T05:28:23.267451+00:00"}