{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:N4EHFCMRUF2EMTHBVGK3LP6NJC","short_pith_number":"pith:N4EHFCMR","canonical_record":{"source":{"id":"cond-mat/0601341","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2006-01-16T15:08:55Z","cross_cats_sorted":[],"title_canon_sha256":"6c69c572181678164f9cb8e45d90390dae402d295689b904c538f0db4176b9e0","abstract_canon_sha256":"410a4b7c73b5d5e6f3b061398f408f3e8048898c2c5471365c31fb6b5fa5fc4e"},"schema_version":"1.0"},"canonical_sha256":"6f08728991a174464ce1a995b5bfcd489382dbf52ce425ad90278d6dbcb8a1eb","source":{"kind":"arxiv","id":"cond-mat/0601341","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0601341","created_at":"2026-05-18T03:14:39Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0601341v2","created_at":"2026-05-18T03:14:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0601341","created_at":"2026-05-18T03:14:39Z"},{"alias_kind":"pith_short_12","alias_value":"N4EHFCMRUF2E","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_16","alias_value":"N4EHFCMRUF2EMTHB","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_8","alias_value":"N4EHFCMR","created_at":"2026-05-18T12:25:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:N4EHFCMRUF2EMTHBVGK3LP6NJC","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/0601341","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2006-01-16T15:08:55Z","cross_cats_sorted":[],"title_canon_sha256":"6c69c572181678164f9cb8e45d90390dae402d295689b904c538f0db4176b9e0","abstract_canon_sha256":"410a4b7c73b5d5e6f3b061398f408f3e8048898c2c5471365c31fb6b5fa5fc4e"},"schema_version":"1.0"},"canonical_sha256":"6f08728991a174464ce1a995b5bfcd489382dbf52ce425ad90278d6dbcb8a1eb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:14:39.567898Z","signature_b64":"kO3Kg5jugl0zNET8D7tC9U7xK35cRVwsD+OR+1pOc15Gdy0ZWVbunsRfOve81n5c4KGLrjbt/NU2umySUrnlBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6f08728991a174464ce1a995b5bfcd489382dbf52ce425ad90278d6dbcb8a1eb","last_reissued_at":"2026-05-18T03:14:39.567431Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:14:39.567431Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/0601341","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":"2026-05-18T03:14:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zM8MGizHWW8caAgWwv6xKMpAVwBmBvK0W2eTn+iksGJrliZEVxPnCSrixqIaPkpaPu3LtMs++hntUzO1pYdEBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T08:27:49.592567Z"},"content_sha256":"e102794a59c6d7754762cf2f06b4b9dffdc854f0f9b31bd2888a3df49eb9b1f9","schema_version":"1.0","event_id":"sha256:e102794a59c6d7754762cf2f06b4b9dffdc854f0f9b31bd2888a3df49eb9b1f9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:N4EHFCMRUF2EMTHBVGK3LP6NJC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On a theoretical model for d-wave to mixed s- and d-wave transition in cuprate superconductors","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"A. Mann, Joseph L. Birman, Y. Krivolapov","submitted_at":"2006-01-16T15:08:55Z","abstract_excerpt":"A U(3) model proposed by Iachello for superconductivity in cuprate materials is analyzed. The model consists of s and d pairs (approximated as bosons) in a two-dimensional Fermi system with a surface. The transition occurs between a phase in which the system is a condensate of one of the bosons, and a phase which is a mixture of two types of bosons. In the current work we have investigated the validity of the Bogoliubov approximation, and we used a reduced Hamiltonian to determine a phase diagram, the symmetry of the phases and the temperature dependence of the heat capacity."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0601341","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":"2026-05-18T03:14:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PnNIW1SgE0ijv/zW86umnGcSnLZOnKpJezU+eEYn5gKVGY54vseZqXGjpiO7hTdi6AjI1K0UjyRe63ecXKPIDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T08:27:49.592905Z"},"content_sha256":"92445145034c322decc4821f02b81feabcc2865dc407c8a78f8d535fed61f165","schema_version":"1.0","event_id":"sha256:92445145034c322decc4821f02b81feabcc2865dc407c8a78f8d535fed61f165"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/N4EHFCMRUF2EMTHBVGK3LP6NJC/bundle.json","state_url":"https://pith.science/pith/N4EHFCMRUF2EMTHBVGK3LP6NJC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/N4EHFCMRUF2EMTHBVGK3LP6NJC/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":"2026-06-12T08:27:49Z","links":{"resolver":"https://pith.science/pith/N4EHFCMRUF2EMTHBVGK3LP6NJC","bundle":"https://pith.science/pith/N4EHFCMRUF2EMTHBVGK3LP6NJC/bundle.json","state":"https://pith.science/pith/N4EHFCMRUF2EMTHBVGK3LP6NJC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/N4EHFCMRUF2EMTHBVGK3LP6NJC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:N4EHFCMRUF2EMTHBVGK3LP6NJC","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":"410a4b7c73b5d5e6f3b061398f408f3e8048898c2c5471365c31fb6b5fa5fc4e","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2006-01-16T15:08:55Z","title_canon_sha256":"6c69c572181678164f9cb8e45d90390dae402d295689b904c538f0db4176b9e0"},"schema_version":"1.0","source":{"id":"cond-mat/0601341","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0601341","created_at":"2026-05-18T03:14:39Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0601341v2","created_at":"2026-05-18T03:14:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0601341","created_at":"2026-05-18T03:14:39Z"},{"alias_kind":"pith_short_12","alias_value":"N4EHFCMRUF2E","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_16","alias_value":"N4EHFCMRUF2EMTHB","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_8","alias_value":"N4EHFCMR","created_at":"2026-05-18T12:25:54Z"}],"graph_snapshots":[{"event_id":"sha256:92445145034c322decc4821f02b81feabcc2865dc407c8a78f8d535fed61f165","target":"graph","created_at":"2026-05-18T03:14:39Z","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":"A U(3) model proposed by Iachello for superconductivity in cuprate materials is analyzed. The model consists of s and d pairs (approximated as bosons) in a two-dimensional Fermi system with a surface. The transition occurs between a phase in which the system is a condensate of one of the bosons, and a phase which is a mixture of two types of bosons. In the current work we have investigated the validity of the Bogoliubov approximation, and we used a reduced Hamiltonian to determine a phase diagram, the symmetry of the phases and the temperature dependence of the heat capacity.","authors_text":"A. Mann, Joseph L. Birman, Y. Krivolapov","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2006-01-16T15:08:55Z","title":"On a theoretical model for d-wave to mixed s- and d-wave transition in cuprate superconductors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0601341","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:e102794a59c6d7754762cf2f06b4b9dffdc854f0f9b31bd2888a3df49eb9b1f9","target":"record","created_at":"2026-05-18T03:14:39Z","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":"410a4b7c73b5d5e6f3b061398f408f3e8048898c2c5471365c31fb6b5fa5fc4e","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2006-01-16T15:08:55Z","title_canon_sha256":"6c69c572181678164f9cb8e45d90390dae402d295689b904c538f0db4176b9e0"},"schema_version":"1.0","source":{"id":"cond-mat/0601341","kind":"arxiv","version":2}},"canonical_sha256":"6f08728991a174464ce1a995b5bfcd489382dbf52ce425ad90278d6dbcb8a1eb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6f08728991a174464ce1a995b5bfcd489382dbf52ce425ad90278d6dbcb8a1eb","first_computed_at":"2026-05-18T03:14:39.567431Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:14:39.567431Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kO3Kg5jugl0zNET8D7tC9U7xK35cRVwsD+OR+1pOc15Gdy0ZWVbunsRfOve81n5c4KGLrjbt/NU2umySUrnlBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:14:39.567898Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0601341","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e102794a59c6d7754762cf2f06b4b9dffdc854f0f9b31bd2888a3df49eb9b1f9","sha256:92445145034c322decc4821f02b81feabcc2865dc407c8a78f8d535fed61f165"],"state_sha256":"baed3c80f6fc9ca5e4abc42293f8823a25e821e766134c9029f1a7bfbf3bf9be"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ywyL6YukmbHIy8BgPD9pp/fJfXkQblO1KKiD2mMqPP9jmBbd8GLbsT198UptXzM6rKrCKyIBx/qJZ52ieFU8AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-12T08:27:49.594867Z","bundle_sha256":"c00c71e1769acce0806d5710fab1bd7102b418af93da58bad07502e02c31792b"}}