{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:75QWFEEZ7QRETNWXTXZUQ6LJCO","short_pith_number":"pith:75QWFEEZ","canonical_record":{"source":{"id":"1509.05021","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2015-09-16T19:54:25Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"85df1e546f9e99dcf1b86df64124bf144a3d4a787c87d2890f01abd1eb7c0a12","abstract_canon_sha256":"b58c85fa03bb23037ceec30c6d8edd5eed74a72e0870f10777954eb07f55aebd"},"schema_version":"1.0"},"canonical_sha256":"ff61629099fc2249b6d79df348796913afc96b76429962e55bec90665df0b685","source":{"kind":"arxiv","id":"1509.05021","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.05021","created_at":"2026-05-18T01:21:11Z"},{"alias_kind":"arxiv_version","alias_value":"1509.05021v2","created_at":"2026-05-18T01:21:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.05021","created_at":"2026-05-18T01:21:11Z"},{"alias_kind":"pith_short_12","alias_value":"75QWFEEZ7QRE","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_16","alias_value":"75QWFEEZ7QRETNWX","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_8","alias_value":"75QWFEEZ","created_at":"2026-05-18T12:29:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:75QWFEEZ7QRETNWXTXZUQ6LJCO","target":"record","payload":{"canonical_record":{"source":{"id":"1509.05021","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2015-09-16T19:54:25Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"85df1e546f9e99dcf1b86df64124bf144a3d4a787c87d2890f01abd1eb7c0a12","abstract_canon_sha256":"b58c85fa03bb23037ceec30c6d8edd5eed74a72e0870f10777954eb07f55aebd"},"schema_version":"1.0"},"canonical_sha256":"ff61629099fc2249b6d79df348796913afc96b76429962e55bec90665df0b685","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:21:11.415521Z","signature_b64":"bL24+Bk1H3/UgY89LMPR5876wePtTR95KJAMaky/+4sPB0bxb2oLM5vApSc1sOJGKfihydw1VXPm9E6J1aK6DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ff61629099fc2249b6d79df348796913afc96b76429962e55bec90665df0b685","last_reissued_at":"2026-05-18T01:21:11.414463Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:21:11.414463Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1509.05021","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":"2026-05-18T01:21:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lX05XJ8awjWE90zOi7EouQw1LTq/aOhKBIm+OVQAMVPS1skdZFyGMsIdDTc2mE0UEMYNKF45WplNkV7vslFdBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T06:48:04.479279Z"},"content_sha256":"b0df17b2be7b8c5964dcafcbaf8952917e234546787769a009b504041c77b092","schema_version":"1.0","event_id":"sha256:b0df17b2be7b8c5964dcafcbaf8952917e234546787769a009b504041c77b092"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:75QWFEEZ7QRETNWXTXZUQ6LJCO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Coexistence of Clean- and Dirty-limit Superconductivity in LiFeAs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"C. C. Homes, C. Q. Jin, H. Ding, H. Miao, L. Y. Xing, X. C. Wang, Y. M. Dai","submitted_at":"2015-09-16T19:54:25Z","abstract_excerpt":"The optical properties of LiFeAs with $T_c \\simeq$ 18 K have been determined in the normal and superconducting states. The superposition of two Drude components yields a good description of the low-frequency optical response in the normal state. Below $T_c$, the optical conductivity reveals two isotropic superconducting gaps with $\\Delta_{1} \\simeq 2.9$ $\\pm$ 0.2 meV and $\\Delta_{2} \\simeq 5.5$ $\\pm$ 0.4 meV. A comparison between the superconducting-state Mattis-Bardeen and the normal-state Drude components, in combination with a spectral weight analysis, indicates that the spectral weight ass"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.05021","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":"2026-05-18T01:21:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sKlHhQ0lpC2yWRm4SPJk19EQ5F6eV7f58DBmu+joQ9BjlQG6O4XkHY9rjoXwrbxCFknZ4KBc8h1Xe56pmttOBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T06:48:04.479962Z"},"content_sha256":"b72b8497e49756f1ea5ac96fb6ca52b142b7483a615aaedf34816cf219927e4f","schema_version":"1.0","event_id":"sha256:b72b8497e49756f1ea5ac96fb6ca52b142b7483a615aaedf34816cf219927e4f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/75QWFEEZ7QRETNWXTXZUQ6LJCO/bundle.json","state_url":"https://pith.science/pith/75QWFEEZ7QRETNWXTXZUQ6LJCO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/75QWFEEZ7QRETNWXTXZUQ6LJCO/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":"2026-06-06T06:48:04Z","links":{"resolver":"https://pith.science/pith/75QWFEEZ7QRETNWXTXZUQ6LJCO","bundle":"https://pith.science/pith/75QWFEEZ7QRETNWXTXZUQ6LJCO/bundle.json","state":"https://pith.science/pith/75QWFEEZ7QRETNWXTXZUQ6LJCO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/75QWFEEZ7QRETNWXTXZUQ6LJCO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:75QWFEEZ7QRETNWXTXZUQ6LJCO","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":"b58c85fa03bb23037ceec30c6d8edd5eed74a72e0870f10777954eb07f55aebd","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2015-09-16T19:54:25Z","title_canon_sha256":"85df1e546f9e99dcf1b86df64124bf144a3d4a787c87d2890f01abd1eb7c0a12"},"schema_version":"1.0","source":{"id":"1509.05021","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.05021","created_at":"2026-05-18T01:21:11Z"},{"alias_kind":"arxiv_version","alias_value":"1509.05021v2","created_at":"2026-05-18T01:21:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.05021","created_at":"2026-05-18T01:21:11Z"},{"alias_kind":"pith_short_12","alias_value":"75QWFEEZ7QRE","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_16","alias_value":"75QWFEEZ7QRETNWX","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_8","alias_value":"75QWFEEZ","created_at":"2026-05-18T12:29:07Z"}],"graph_snapshots":[{"event_id":"sha256:b72b8497e49756f1ea5ac96fb6ca52b142b7483a615aaedf34816cf219927e4f","target":"graph","created_at":"2026-05-18T01:21:11Z","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":"The optical properties of LiFeAs with $T_c \\simeq$ 18 K have been determined in the normal and superconducting states. The superposition of two Drude components yields a good description of the low-frequency optical response in the normal state. Below $T_c$, the optical conductivity reveals two isotropic superconducting gaps with $\\Delta_{1} \\simeq 2.9$ $\\pm$ 0.2 meV and $\\Delta_{2} \\simeq 5.5$ $\\pm$ 0.4 meV. A comparison between the superconducting-state Mattis-Bardeen and the normal-state Drude components, in combination with a spectral weight analysis, indicates that the spectral weight ass","authors_text":"C. C. Homes, C. Q. Jin, H. Ding, H. Miao, L. Y. Xing, X. C. Wang, Y. M. Dai","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2015-09-16T19:54:25Z","title":"Coexistence of Clean- and Dirty-limit Superconductivity in LiFeAs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.05021","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:b0df17b2be7b8c5964dcafcbaf8952917e234546787769a009b504041c77b092","target":"record","created_at":"2026-05-18T01:21:11Z","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":"b58c85fa03bb23037ceec30c6d8edd5eed74a72e0870f10777954eb07f55aebd","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2015-09-16T19:54:25Z","title_canon_sha256":"85df1e546f9e99dcf1b86df64124bf144a3d4a787c87d2890f01abd1eb7c0a12"},"schema_version":"1.0","source":{"id":"1509.05021","kind":"arxiv","version":2}},"canonical_sha256":"ff61629099fc2249b6d79df348796913afc96b76429962e55bec90665df0b685","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ff61629099fc2249b6d79df348796913afc96b76429962e55bec90665df0b685","first_computed_at":"2026-05-18T01:21:11.414463Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:21:11.414463Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bL24+Bk1H3/UgY89LMPR5876wePtTR95KJAMaky/+4sPB0bxb2oLM5vApSc1sOJGKfihydw1VXPm9E6J1aK6DQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:21:11.415521Z","signed_message":"canonical_sha256_bytes"},"source_id":"1509.05021","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b0df17b2be7b8c5964dcafcbaf8952917e234546787769a009b504041c77b092","sha256:b72b8497e49756f1ea5ac96fb6ca52b142b7483a615aaedf34816cf219927e4f"],"state_sha256":"7b958009257f8ddc27dd57a71619b3bf2b9150fd048281b81b4877020053b759"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FH7aMfSm+8OYzCeard/F5MQ/jkUSjxgL2a3e/1w8syCUu6UX30kolGq5PJeQZQKVzBEHSF0WpdYrXtjq3m98Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T06:48:04.483563Z","bundle_sha256":"baecd32bacaee5f51d39ab7923b82523f9d5c0f17d6fc5ac536d23ffa4507e3c"}}