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Phys.10, 625 (1984), DOI:10.1063/10.0031127","work_id":"a6923bcf-716a-4703-9c78-2f99cf026275","year":1984},{"cited_arxiv_id":"","doi":"10.1002/pssb.2221530229","is_internal_anchor":false,"ref_index":2,"title":"Yurishchev, Ising Model Consisting of Central and Three Side Chains, Physica Status Solidi (b)153, 703 (1989), DOI:10.1002/pssb.2221530229","work_id":"88ad9ac5-ca73-483d-b4e0-c4da13e55c11","year":1989},{"cited_arxiv_id":"","doi":"10.1134/s1063776107030120","is_internal_anchor":false,"ref_index":3,"title":"Yurishchev, Ising models on the 2×2× ∞lattices, Journal of Experimental and Theoretical Physics104, 461 (2007), DOI:10.1134/s1063776107030120","work_id":"4704b10d-1b3c-4669-911b-a60413fd3bbf","year":2007},{"cited_arxiv_id":"","doi":"10.1103/physreve.55.r17","is_internal_anchor":false,"ref_index":4,"title":"E. N. Cirillo, G. Gonnella, and A. Pelizzola, Criti- cal behavior of the three-dimensional Ising model with nearest-neighbor, next-nearest-neighbor, and plaque- tte interactions, Physical Review E55, ","work_id":"432683d0-b0ba-4618-8699-4b1f226da765","year":1997},{"cited_arxiv_id":"","doi":"10.1007/bf01315695","is_internal_anchor":false,"ref_index":5,"title":"L. Kalok and L. De Menezes, Competing interac- tions in double-chains: Ising and spherical models, Zeitschrift f¨ ur Physik B Condensed Matter20, 223 (1975), DOI:10.1007/bf01315695","work_id":"5e51a3f6-0584-4821-8502-fc3459ab9b8b","year":1975}],"snapshot_sha256":"865ab1b93d290b0241b9ac9faa1114e57f983ee3f451bc9549f8916246d9506d"},"source":{"id":"2605.17600","kind":"arxiv","version":1},"verdict":{"created_at":"2026-05-19T22:28:55.187112Z","id":"b8b0b11c-234e-449a-a36d-cd07d65a40ba","model_set":{"reader":"grok-4.3"},"one_line_summary":"Exact transfer-matrix solution for a C3-symmetric three-chain Ising tube with general multispin interactions, giving free energy, specific heat, magnetization, and pair correlations in the thermodynamic limit.","pipeline_version":"pith-pipeline@v0.9.0","pith_extraction_headline":"An 8x8 transfer matrix supplies the exact partition function and all thermodynamic quantities in the infinite-length limit for a three-chain Ising tube with 20 independent couplings.","strongest_claim":"Using an 8×8 transfer matrix, the authors obtain the exact partition function of the finite-length system and the free energy, internal energy, specific heat, magnetization, susceptibility, and entropy in the thermodynamic limit L→∞ for the most general C3-invariant Hamiltonian containing 20 independent couplings.","weakest_assumption":"The assumption that the 8×8 transfer matrix fully captures all Boltzmann weights of the C3-symmetric prism Hamiltonian without additional constraints or reductions that would invalidate the eigenvalue extraction for arbitrary values of the twenty couplings."}},"verdict_id":"b8b0b11c-234e-449a-a36d-cd07d65a40ba"}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:4d6aa387cc505c0f3190152bd0a0cf6a7c5e636cd71ad215cb399fedc03e8ae4","target":"record","created_at":"2026-05-20T00:04:47Z","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":"d2f640b921f96f67d083414823a5519101099d427f4147e07fcdbfe0acc776be","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2026-05-17T18:52:55Z","title_canon_sha256":"ed31596a2699d8ba598554d566296eeb3832de2441a4dcbf945ffcf6dfd24936"},"schema_version":"1.0","source":{"id":"2605.17600","kind":"arxiv","version":1}},"canonical_sha256":"c18e70be17a17212a347663d66ac256204807ddd770019b671c0af9d24691842","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c18e70be17a17212a347663d66ac256204807ddd770019b671c0af9d24691842","first_computed_at":"2026-05-20T00:04:47.945725Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-20T00:04:47.945725Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"D2hZ0mP2I43tiHtVf794Cw4PRJbfEGR8c7JvTDt8P2sUM4L2R0U3tdnrqShO2etDKsUt65wyqUZO0O8qUaSbBA==","signature_status":"signed_v1","signed_at":"2026-05-20T00:04:47.946650Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.17600","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5b8161aaaf5af233c9cba83fa058afbe33bdde247f7d66167c6b540669a8ac20","sha256:4d6aa387cc505c0f3190152bd0a0cf6a7c5e636cd71ad215cb399fedc03e8ae4","sha256:27fefad5975d1379c294849564564e1682cb6100022d55ddf98018cb8e03efe4"],"state_sha256":"f4d640629fae2b93fdccc467e113b12cc73d924b83f07f7b3976e58c9a87825d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KMst0eR5zkjbV/AZ9ctn1qWu8GmdXtYt+zZLQuxc/iIryAWb8VCLt1tUiSccr9qQR1n0gdxexAlKhJfu1ER5Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T19:50:08.186872Z","bundle_sha256":"a1bc2ee72c3239f9cb02f43e0bf143b8835e9263a776169b0dbf4ec3935f2e56"}}