{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:SWWKTZKPXJ5DP7LM3PVBAWCU3L","short_pith_number":"pith:SWWKTZKP","canonical_record":{"source":{"id":"1304.6327","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2013-04-23T15:36:13Z","cross_cats_sorted":[],"title_canon_sha256":"03a378d581678a646d54e2e077144599413094d3db1c5c59eac33ee72c7ab49b","abstract_canon_sha256":"1fce39df42d9a5941922cf5aaad65dd79d583c8ea84588b6a955951d485a52b3"},"schema_version":"1.0"},"canonical_sha256":"95aca9e54fba7a37fd6cdbea105854dae99a45416d9d91760debb851b1c10fbc","source":{"kind":"arxiv","id":"1304.6327","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1304.6327","created_at":"2026-05-18T03:22:07Z"},{"alias_kind":"arxiv_version","alias_value":"1304.6327v1","created_at":"2026-05-18T03:22:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.6327","created_at":"2026-05-18T03:22:07Z"},{"alias_kind":"pith_short_12","alias_value":"SWWKTZKPXJ5D","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_16","alias_value":"SWWKTZKPXJ5DP7LM","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_8","alias_value":"SWWKTZKP","created_at":"2026-05-18T12:27:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:SWWKTZKPXJ5DP7LM3PVBAWCU3L","target":"record","payload":{"canonical_record":{"source":{"id":"1304.6327","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2013-04-23T15:36:13Z","cross_cats_sorted":[],"title_canon_sha256":"03a378d581678a646d54e2e077144599413094d3db1c5c59eac33ee72c7ab49b","abstract_canon_sha256":"1fce39df42d9a5941922cf5aaad65dd79d583c8ea84588b6a955951d485a52b3"},"schema_version":"1.0"},"canonical_sha256":"95aca9e54fba7a37fd6cdbea105854dae99a45416d9d91760debb851b1c10fbc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:22:07.577812Z","signature_b64":"xp9ccrqcOKQs1AXFSOGGtOg8vFQCUx68j/7a2lhrfwGo7dy/mmCd1zyYkHEUcEWnQ2YH03Z5VDm8hifIqkH2Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"95aca9e54fba7a37fd6cdbea105854dae99a45416d9d91760debb851b1c10fbc","last_reissued_at":"2026-05-18T03:22:07.577186Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:22:07.577186Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1304.6327","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:22:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KxatZRzK2HoSwGAcKVknS9EFFEwR9PpuulQ27gAZ8A27GFEUU4/PUSrXglWpDxIJa0qES1cF4BvfzJZodptqBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T12:37:56.556279Z"},"content_sha256":"13ad2cdc413f21eb98ab6c8841e3654504e445410d9bfde9017edd1f2f2c6869","schema_version":"1.0","event_id":"sha256:13ad2cdc413f21eb98ab6c8841e3654504e445410d9bfde9017edd1f2f2c6869"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:SWWKTZKPXJ5DP7LM3PVBAWCU3L","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evidence of a full gap in LaFeAsO$_{1-x}$F$_x$ thin films from infrared spectroscopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"C. C. Homes, G. L. Carr, M. Kidszun, S. Haindl, Xiaoxiang Xi, Y. M. Dai","submitted_at":"2013-04-23T15:36:13Z","abstract_excerpt":"We report conventional and time-resolved infrared spectroscopy on LaFeAsO$_{1-x}$F$_x$ superconducting thin films. The far-infrared transmission can be quantitatively explained by a two-component model including a conventional s-wave superconducting term and a Drude term, suggesting at least one carrier system has a full superconducting gap. Photo-induced studies of excess quasiparticle dynamics reveal a nanosecond effective recombination time and temperature dependence that agree with a recombination bottleneck in the presence of a full gap. The two experiments provide consistent evidence of "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.6327","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:22:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"K4xJ05LBD1A2kDnZrggE8mpJchLbfSQSiHcy/1Z7R6XyZI0mrrKgs2zUI5bpkqnRXgdUg1aGXDvfV26eF6KFBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T12:37:56.556800Z"},"content_sha256":"cdf1fc185e20e79a9aeb05a074e84a9250fa049814a0f2b0e4d797c307fc90e5","schema_version":"1.0","event_id":"sha256:cdf1fc185e20e79a9aeb05a074e84a9250fa049814a0f2b0e4d797c307fc90e5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SWWKTZKPXJ5DP7LM3PVBAWCU3L/bundle.json","state_url":"https://pith.science/pith/SWWKTZKPXJ5DP7LM3PVBAWCU3L/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SWWKTZKPXJ5DP7LM3PVBAWCU3L/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":"2026-05-25T12:37:56Z","links":{"resolver":"https://pith.science/pith/SWWKTZKPXJ5DP7LM3PVBAWCU3L","bundle":"https://pith.science/pith/SWWKTZKPXJ5DP7LM3PVBAWCU3L/bundle.json","state":"https://pith.science/pith/SWWKTZKPXJ5DP7LM3PVBAWCU3L/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SWWKTZKPXJ5DP7LM3PVBAWCU3L/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:SWWKTZKPXJ5DP7LM3PVBAWCU3L","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":"1fce39df42d9a5941922cf5aaad65dd79d583c8ea84588b6a955951d485a52b3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2013-04-23T15:36:13Z","title_canon_sha256":"03a378d581678a646d54e2e077144599413094d3db1c5c59eac33ee72c7ab49b"},"schema_version":"1.0","source":{"id":"1304.6327","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1304.6327","created_at":"2026-05-18T03:22:07Z"},{"alias_kind":"arxiv_version","alias_value":"1304.6327v1","created_at":"2026-05-18T03:22:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.6327","created_at":"2026-05-18T03:22:07Z"},{"alias_kind":"pith_short_12","alias_value":"SWWKTZKPXJ5D","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_16","alias_value":"SWWKTZKPXJ5DP7LM","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_8","alias_value":"SWWKTZKP","created_at":"2026-05-18T12:27:59Z"}],"graph_snapshots":[{"event_id":"sha256:cdf1fc185e20e79a9aeb05a074e84a9250fa049814a0f2b0e4d797c307fc90e5","target":"graph","created_at":"2026-05-18T03:22:07Z","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":"We report conventional and time-resolved infrared spectroscopy on LaFeAsO$_{1-x}$F$_x$ superconducting thin films. The far-infrared transmission can be quantitatively explained by a two-component model including a conventional s-wave superconducting term and a Drude term, suggesting at least one carrier system has a full superconducting gap. Photo-induced studies of excess quasiparticle dynamics reveal a nanosecond effective recombination time and temperature dependence that agree with a recombination bottleneck in the presence of a full gap. The two experiments provide consistent evidence of ","authors_text":"C. C. Homes, G. L. Carr, M. Kidszun, S. Haindl, Xiaoxiang Xi, Y. M. Dai","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2013-04-23T15:36:13Z","title":"Evidence of a full gap in LaFeAsO$_{1-x}$F$_x$ thin films from infrared spectroscopy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.6327","kind":"arxiv","version":1},"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":"sha256:13ad2cdc413f21eb98ab6c8841e3654504e445410d9bfde9017edd1f2f2c6869","target":"record","created_at":"2026-05-18T03:22:07Z","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":"1fce39df42d9a5941922cf5aaad65dd79d583c8ea84588b6a955951d485a52b3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2013-04-23T15:36:13Z","title_canon_sha256":"03a378d581678a646d54e2e077144599413094d3db1c5c59eac33ee72c7ab49b"},"schema_version":"1.0","source":{"id":"1304.6327","kind":"arxiv","version":1}},"canonical_sha256":"95aca9e54fba7a37fd6cdbea105854dae99a45416d9d91760debb851b1c10fbc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"95aca9e54fba7a37fd6cdbea105854dae99a45416d9d91760debb851b1c10fbc","first_computed_at":"2026-05-18T03:22:07.577186Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:22:07.577186Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xp9ccrqcOKQs1AXFSOGGtOg8vFQCUx68j/7a2lhrfwGo7dy/mmCd1zyYkHEUcEWnQ2YH03Z5VDm8hifIqkH2Cw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:22:07.577812Z","signed_message":"canonical_sha256_bytes"},"source_id":"1304.6327","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:13ad2cdc413f21eb98ab6c8841e3654504e445410d9bfde9017edd1f2f2c6869","sha256:cdf1fc185e20e79a9aeb05a074e84a9250fa049814a0f2b0e4d797c307fc90e5"],"state_sha256":"b6e4409fde675e9fa58cc3777a59def23472f1e3b7f40aee72e9f298aa561005"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nkPmn1JULUeYdaSZeC5ZgomfSJzyVC0jTKxen2IFXvsI5KJ7X94N8s7WuGE1jBRxKYH8PjrOHYRpbzgjpkLyBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T12:37:56.560020Z","bundle_sha256":"b4b05e3fbad91057c3b755e99b63fcaefa417f7f8a49546c71571784bf1a48ff"}}