{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2005:VMA7IKO3LTR4TEFUESGNQGEM33","short_pith_number":"pith:VMA7IKO3","canonical_record":{"source":{"id":"cond-mat/0502223","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2005-02-09T05:53:29Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"f040bfd7ffccc99b5e3587a1b6ce3dc30bc02684d4004bc915c054765791c1f0","abstract_canon_sha256":"e406c6cf3f64ce16296e9cd65c97e9416a1fca3f1e43c965ff25ad549b4995ee"},"schema_version":"1.0"},"canonical_sha256":"ab01f429db5ce3c990b4248cd8188cdef9e4986f34f4b3f9f41677cc6f618a04","source":{"kind":"arxiv","id":"cond-mat/0502223","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0502223","created_at":"2026-05-18T01:39:53Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0502223v2","created_at":"2026-05-18T01:39:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0502223","created_at":"2026-05-18T01:39:53Z"},{"alias_kind":"pith_short_12","alias_value":"VMA7IKO3LTR4","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"VMA7IKO3LTR4TEFU","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"VMA7IKO3","created_at":"2026-05-18T12:25:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2005:VMA7IKO3LTR4TEFUESGNQGEM33","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/0502223","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2005-02-09T05:53:29Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"f040bfd7ffccc99b5e3587a1b6ce3dc30bc02684d4004bc915c054765791c1f0","abstract_canon_sha256":"e406c6cf3f64ce16296e9cd65c97e9416a1fca3f1e43c965ff25ad549b4995ee"},"schema_version":"1.0"},"canonical_sha256":"ab01f429db5ce3c990b4248cd8188cdef9e4986f34f4b3f9f41677cc6f618a04","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:39:53.748935Z","signature_b64":"4UgGzkLSDLdT3UHnhW5Rb1oZeFA/pkWhG/KwSviHUTpyS5m60L0RGz7UeryUB3hK74CzHJMCxoROOv0kcZIrBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ab01f429db5ce3c990b4248cd8188cdef9e4986f34f4b3f9f41677cc6f618a04","last_reissued_at":"2026-05-18T01:39:53.748382Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:39:53.748382Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/0502223","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":"2026-05-18T01:39:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lZhSXD0q66ocs1fnDx2lO4saKujMXTtXsUf7ZlQ95CtTC9jeV1Ov3fVMZM6UbgkYkYbk13sqou+9ZzjJo2opCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T15:10:42.893626Z"},"content_sha256":"4ad5b3a9de97003d011a288e7cf52e74b2d015f52651ec54f41c35b2d2a759d0","schema_version":"1.0","event_id":"sha256:4ad5b3a9de97003d011a288e7cf52e74b2d015f52651ec54f41c35b2d2a759d0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2005:VMA7IKO3LTR4TEFUESGNQGEM33","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Low-temperature nodal-quasiparticle transport in lightly doped YBa_{2}Cu_{3}O_{y} near the edge of the superconducting doping regime","license":"","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"Kouji Segawa, X. F. Sun, Yoichi Ando","submitted_at":"2005-02-09T05:53:29Z","abstract_excerpt":"In-plane transport properties of nonsuperconducting YBa_{2}Cu_{3}O_{y} (y = 6.35) are measured using high-quality untwinned single crystals. We find that both the a- and b-axis resistivities show log(1/T) divergence down to 80 mK, and accordingly the thermal conductivity data indicate that the nodal quasiparticles are progressively localized with lowering temperature. Hence, both the charge and heat transport data do not support the existence of a \"thermal metal\" in nonsuperconducting YBa_{2}Cu_{3}O_{y}, as opposed to a recent report by Sutherland {\\it et al.} [Phys. Rev. Lett. {\\bf 94}, 14700"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0502223","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":"2026-05-18T01:39:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U/luxgTyZPXhdPd67vHEJbTdPhOBIdUihQLTfgWQhTw3I0VzE5IhpznGyYf91FMP7y8+5sUz2QhkinYnrXAODA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T15:10:42.894030Z"},"content_sha256":"b307b314900478273bec459895067d9234f6bbc6443d9e79b923531b887c9741","schema_version":"1.0","event_id":"sha256:b307b314900478273bec459895067d9234f6bbc6443d9e79b923531b887c9741"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VMA7IKO3LTR4TEFUESGNQGEM33/bundle.json","state_url":"https://pith.science/pith/VMA7IKO3LTR4TEFUESGNQGEM33/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VMA7IKO3LTR4TEFUESGNQGEM33/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":"2026-05-29T15:10:42Z","links":{"resolver":"https://pith.science/pith/VMA7IKO3LTR4TEFUESGNQGEM33","bundle":"https://pith.science/pith/VMA7IKO3LTR4TEFUESGNQGEM33/bundle.json","state":"https://pith.science/pith/VMA7IKO3LTR4TEFUESGNQGEM33/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VMA7IKO3LTR4TEFUESGNQGEM33/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:VMA7IKO3LTR4TEFUESGNQGEM33","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":"e406c6cf3f64ce16296e9cd65c97e9416a1fca3f1e43c965ff25ad549b4995ee","cross_cats_sorted":["cond-mat.str-el"],"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2005-02-09T05:53:29Z","title_canon_sha256":"f040bfd7ffccc99b5e3587a1b6ce3dc30bc02684d4004bc915c054765791c1f0"},"schema_version":"1.0","source":{"id":"cond-mat/0502223","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0502223","created_at":"2026-05-18T01:39:53Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0502223v2","created_at":"2026-05-18T01:39:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0502223","created_at":"2026-05-18T01:39:53Z"},{"alias_kind":"pith_short_12","alias_value":"VMA7IKO3LTR4","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"VMA7IKO3LTR4TEFU","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"VMA7IKO3","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:b307b314900478273bec459895067d9234f6bbc6443d9e79b923531b887c9741","target":"graph","created_at":"2026-05-18T01:39:53Z","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":"In-plane transport properties of nonsuperconducting YBa_{2}Cu_{3}O_{y} (y = 6.35) are measured using high-quality untwinned single crystals. We find that both the a- and b-axis resistivities show log(1/T) divergence down to 80 mK, and accordingly the thermal conductivity data indicate that the nodal quasiparticles are progressively localized with lowering temperature. Hence, both the charge and heat transport data do not support the existence of a \"thermal metal\" in nonsuperconducting YBa_{2}Cu_{3}O_{y}, as opposed to a recent report by Sutherland {\\it et al.} [Phys. Rev. Lett. {\\bf 94}, 14700","authors_text":"Kouji Segawa, X. F. Sun, Yoichi Ando","cross_cats":["cond-mat.str-el"],"headline":"","license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2005-02-09T05:53:29Z","title":"Low-temperature nodal-quasiparticle transport in lightly doped YBa_{2}Cu_{3}O_{y} near the edge of the superconducting doping regime"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0502223","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":"sha256:4ad5b3a9de97003d011a288e7cf52e74b2d015f52651ec54f41c35b2d2a759d0","target":"record","created_at":"2026-05-18T01:39:53Z","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":"e406c6cf3f64ce16296e9cd65c97e9416a1fca3f1e43c965ff25ad549b4995ee","cross_cats_sorted":["cond-mat.str-el"],"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2005-02-09T05:53:29Z","title_canon_sha256":"f040bfd7ffccc99b5e3587a1b6ce3dc30bc02684d4004bc915c054765791c1f0"},"schema_version":"1.0","source":{"id":"cond-mat/0502223","kind":"arxiv","version":2}},"canonical_sha256":"ab01f429db5ce3c990b4248cd8188cdef9e4986f34f4b3f9f41677cc6f618a04","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ab01f429db5ce3c990b4248cd8188cdef9e4986f34f4b3f9f41677cc6f618a04","first_computed_at":"2026-05-18T01:39:53.748382Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:39:53.748382Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4UgGzkLSDLdT3UHnhW5Rb1oZeFA/pkWhG/KwSviHUTpyS5m60L0RGz7UeryUB3hK74CzHJMCxoROOv0kcZIrBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:39:53.748935Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0502223","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4ad5b3a9de97003d011a288e7cf52e74b2d015f52651ec54f41c35b2d2a759d0","sha256:b307b314900478273bec459895067d9234f6bbc6443d9e79b923531b887c9741"],"state_sha256":"8b77a66d02d84e0656c546df11213de64055dc9da63f04fa7bbe50a275915d1d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WFEV063gjDe82o1ZbyX41Bg22nUS5LrUtgkX2vrZ1YhAmXGw8G1pvL9qSONfich4cTHxO0l0zZD1IefxA+LUDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T15:10:42.896509Z","bundle_sha256":"105bae4db12a574cc31c3b5b4248e07f897f45368957f875ebeab1277feb792d"}}