{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:VYOCIPXT7S6G3LJ5XBTXJXCQFR","short_pith_number":"pith:VYOCIPXT","schema_version":"1.0","canonical_sha256":"ae1c243ef3fcbc6dad3db86774dc502c593772609446e3f59349b9cffb02f828","source":{"kind":"arxiv","id":"1806.06800","version":1},"attestation_state":"computed","paper":{"title":"Macroscopic ground-state degeneracy and magnetocaloric effect in the exactly solvable spin-1/2 Ising-Heisenberg double-tetrahedral chain","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.stat-mech","authors_text":"Dusan Knezo, Lucia Galisova","submitted_at":"2018-06-18T16:10:46Z","abstract_excerpt":"The ground-state degeneracy and magnetocaloric effect in the spin-$1/2$ Ising-Heisenberg double-tetrahedral chain are exactly investigated. It is demonstrated that the zero-temperature phase diagram involves two classical and two quantum chiral phases with distinct degrees of the macroscopic degeneracy. Different macroscopic degeneracies observed in the latter phases and at individual ground-state phase transitions are confirmed by multiple-peak dependencies of the specific heat and entropy on the magnetic field. The cooling capability of the model is well illustrated by the magnetic-field var"},"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":"1806.06800","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2018-06-18T16:10:46Z","cross_cats_sorted":[],"title_canon_sha256":"5493850ead3b810f23104b3700e3346e90e2bf9a2128ce9998c11910d35cd51d","abstract_canon_sha256":"d97e730c37431687c0fd8cd407c40ff6f833af1eb902539de190fe021271a997"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:52:52.867899Z","signature_b64":"Ia4kL90SFdnAwwyjPdqfdzSb6WAnp2nU7MOpWAkNf1urohDI0qF0LiN+htA53+pRpLtUvtJE/kP4daE5ocw7DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ae1c243ef3fcbc6dad3db86774dc502c593772609446e3f59349b9cffb02f828","last_reissued_at":"2026-05-17T23:52:52.867155Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:52:52.867155Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Macroscopic ground-state degeneracy and magnetocaloric effect in the exactly solvable spin-1/2 Ising-Heisenberg double-tetrahedral chain","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.stat-mech","authors_text":"Dusan Knezo, Lucia Galisova","submitted_at":"2018-06-18T16:10:46Z","abstract_excerpt":"The ground-state degeneracy and magnetocaloric effect in the spin-$1/2$ Ising-Heisenberg double-tetrahedral chain are exactly investigated. It is demonstrated that the zero-temperature phase diagram involves two classical and two quantum chiral phases with distinct degrees of the macroscopic degeneracy. Different macroscopic degeneracies observed in the latter phases and at individual ground-state phase transitions are confirmed by multiple-peak dependencies of the specific heat and entropy on the magnetic field. The cooling capability of the model is well illustrated by the magnetic-field var"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.06800","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":""},"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":"1806.06800","created_at":"2026-05-17T23:52:52.867274+00:00"},{"alias_kind":"arxiv_version","alias_value":"1806.06800v1","created_at":"2026-05-17T23:52:52.867274+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.06800","created_at":"2026-05-17T23:52:52.867274+00:00"},{"alias_kind":"pith_short_12","alias_value":"VYOCIPXT7S6G","created_at":"2026-05-18T12:32:59.047623+00:00"},{"alias_kind":"pith_short_16","alias_value":"VYOCIPXT7S6G3LJ5","created_at":"2026-05-18T12:32:59.047623+00:00"},{"alias_kind":"pith_short_8","alias_value":"VYOCIPXT","created_at":"2026-05-18T12:32:59.047623+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/VYOCIPXT7S6G3LJ5XBTXJXCQFR","json":"https://pith.science/pith/VYOCIPXT7S6G3LJ5XBTXJXCQFR.json","graph_json":"https://pith.science/api/pith-number/VYOCIPXT7S6G3LJ5XBTXJXCQFR/graph.json","events_json":"https://pith.science/api/pith-number/VYOCIPXT7S6G3LJ5XBTXJXCQFR/events.json","paper":"https://pith.science/paper/VYOCIPXT"},"agent_actions":{"view_html":"https://pith.science/pith/VYOCIPXT7S6G3LJ5XBTXJXCQFR","download_json":"https://pith.science/pith/VYOCIPXT7S6G3LJ5XBTXJXCQFR.json","view_paper":"https://pith.science/paper/VYOCIPXT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1806.06800&json=true","fetch_graph":"https://pith.science/api/pith-number/VYOCIPXT7S6G3LJ5XBTXJXCQFR/graph.json","fetch_events":"https://pith.science/api/pith-number/VYOCIPXT7S6G3LJ5XBTXJXCQFR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VYOCIPXT7S6G3LJ5XBTXJXCQFR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VYOCIPXT7S6G3LJ5XBTXJXCQFR/action/storage_attestation","attest_author":"https://pith.science/pith/VYOCIPXT7S6G3LJ5XBTXJXCQFR/action/author_attestation","sign_citation":"https://pith.science/pith/VYOCIPXT7S6G3LJ5XBTXJXCQFR/action/citation_signature","submit_replication":"https://pith.science/pith/VYOCIPXT7S6G3LJ5XBTXJXCQFR/action/replication_record"}},"created_at":"2026-05-17T23:52:52.867274+00:00","updated_at":"2026-05-17T23:52:52.867274+00:00"}