{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:XKTUWCZLRHZRX75VHWHRAAMLA7","short_pith_number":"pith:XKTUWCZL","canonical_record":{"source":{"id":"1112.4636","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-12-20T10:22:06Z","cross_cats_sorted":[],"title_canon_sha256":"99cb9082fcb71d4d27eba2ebf87868db445c49ee345ab77951e1461b6bc13455","abstract_canon_sha256":"d307438336ad276e6aeee1e757da026fd702f184c38e5767caeb488d98b6ffa5"},"schema_version":"1.0"},"canonical_sha256":"baa74b0b2b89f31bffb53d8f10018b07f920831020dd228496ec999a0aee6ef5","source":{"kind":"arxiv","id":"1112.4636","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1112.4636","created_at":"2026-05-18T04:04:44Z"},{"alias_kind":"arxiv_version","alias_value":"1112.4636v2","created_at":"2026-05-18T04:04:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1112.4636","created_at":"2026-05-18T04:04:44Z"},{"alias_kind":"pith_short_12","alias_value":"XKTUWCZLRHZR","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_16","alias_value":"XKTUWCZLRHZRX75V","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_8","alias_value":"XKTUWCZL","created_at":"2026-05-18T12:26:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:XKTUWCZLRHZRX75VHWHRAAMLA7","target":"record","payload":{"canonical_record":{"source":{"id":"1112.4636","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-12-20T10:22:06Z","cross_cats_sorted":[],"title_canon_sha256":"99cb9082fcb71d4d27eba2ebf87868db445c49ee345ab77951e1461b6bc13455","abstract_canon_sha256":"d307438336ad276e6aeee1e757da026fd702f184c38e5767caeb488d98b6ffa5"},"schema_version":"1.0"},"canonical_sha256":"baa74b0b2b89f31bffb53d8f10018b07f920831020dd228496ec999a0aee6ef5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:04:44.561909Z","signature_b64":"FM+yqnBDfdDNvc77m4tpXx6xjiurwPQg/f2BruFIyV4UpgHrCY9Q+5jtzhK2FbpYtxV0S39TNR9dhsAsXRmeDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"baa74b0b2b89f31bffb53d8f10018b07f920831020dd228496ec999a0aee6ef5","last_reissued_at":"2026-05-18T04:04:44.561295Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:04:44.561295Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1112.4636","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":"2026-05-18T04:04:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sgd6DwBD3XAXGI8OKmQrJjhmKqh14GlMShPk7g5wiOQWLRUCXWsCKHws8iYVtOlN3/+LIwufG3bmdWfssK1hCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T02:31:08.233584Z"},"content_sha256":"1bdef736ff4661614aa401a28bc65510edd9e835e93e7a6d46be0586f8f66352","schema_version":"1.0","event_id":"sha256:1bdef736ff4661614aa401a28bc65510edd9e835e93e7a6d46be0586f8f66352"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:XKTUWCZLRHZRX75VHWHRAAMLA7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Observation of Multiple Superconducting Gaps in the Infrared Reflectivity Spectra of Ba(Fe0.9Co0.1)2As2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"A. V. Muratov, B. P. Gorshunov, E. S. Zhukova, F. Kurth, K. lida, V. M. Pudalov, Yu. A. Aleshchenko","submitted_at":"2011-12-20T10:22:06Z","abstract_excerpt":"The results of infrared reflectivity measurements for the iron-based high-temperature superconductor Ba(Fe0.9Co0.1)2As2 are reported. The reflectivity is found to be close to unity at frequencies w lower than 2Delta/h (2Delta is the superconducting gap and h is Planck's constant). This is evidence for the s+/- or s+/+ symmetry of the superconducting order parameter in the studied compound. The infrared reflectivity spectra of Ba(Fe0.9Co0.1)2As2 manifest opening of several superconducting gaps at temperatures lower than critical Tc."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1112.4636","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":"2026-05-18T04:04:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CvYUUs5GmpBEuFskA1NXA6OyhHnqL0S1XNycsxQuFwcgBxq1WbgKWZVPhFGTIHf6CRH7ubBLD6IgeZ6PdmdcCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T02:31:08.234142Z"},"content_sha256":"24cbf426904d645fc3f1ad2efff1909e209bfaf6e91f6d2373c366a08059f474","schema_version":"1.0","event_id":"sha256:24cbf426904d645fc3f1ad2efff1909e209bfaf6e91f6d2373c366a08059f474"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XKTUWCZLRHZRX75VHWHRAAMLA7/bundle.json","state_url":"https://pith.science/pith/XKTUWCZLRHZRX75VHWHRAAMLA7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XKTUWCZLRHZRX75VHWHRAAMLA7/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":"2026-05-27T02:31:08Z","links":{"resolver":"https://pith.science/pith/XKTUWCZLRHZRX75VHWHRAAMLA7","bundle":"https://pith.science/pith/XKTUWCZLRHZRX75VHWHRAAMLA7/bundle.json","state":"https://pith.science/pith/XKTUWCZLRHZRX75VHWHRAAMLA7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XKTUWCZLRHZRX75VHWHRAAMLA7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:XKTUWCZLRHZRX75VHWHRAAMLA7","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":"d307438336ad276e6aeee1e757da026fd702f184c38e5767caeb488d98b6ffa5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-12-20T10:22:06Z","title_canon_sha256":"99cb9082fcb71d4d27eba2ebf87868db445c49ee345ab77951e1461b6bc13455"},"schema_version":"1.0","source":{"id":"1112.4636","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1112.4636","created_at":"2026-05-18T04:04:44Z"},{"alias_kind":"arxiv_version","alias_value":"1112.4636v2","created_at":"2026-05-18T04:04:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1112.4636","created_at":"2026-05-18T04:04:44Z"},{"alias_kind":"pith_short_12","alias_value":"XKTUWCZLRHZR","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_16","alias_value":"XKTUWCZLRHZRX75V","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_8","alias_value":"XKTUWCZL","created_at":"2026-05-18T12:26:47Z"}],"graph_snapshots":[{"event_id":"sha256:24cbf426904d645fc3f1ad2efff1909e209bfaf6e91f6d2373c366a08059f474","target":"graph","created_at":"2026-05-18T04:04:44Z","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 results of infrared reflectivity measurements for the iron-based high-temperature superconductor Ba(Fe0.9Co0.1)2As2 are reported. The reflectivity is found to be close to unity at frequencies w lower than 2Delta/h (2Delta is the superconducting gap and h is Planck's constant). This is evidence for the s+/- or s+/+ symmetry of the superconducting order parameter in the studied compound. The infrared reflectivity spectra of Ba(Fe0.9Co0.1)2As2 manifest opening of several superconducting gaps at temperatures lower than critical Tc.","authors_text":"A. V. Muratov, B. P. Gorshunov, E. S. Zhukova, F. Kurth, K. lida, V. M. Pudalov, Yu. A. Aleshchenko","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-12-20T10:22:06Z","title":"Observation of Multiple Superconducting Gaps in the Infrared Reflectivity Spectra of Ba(Fe0.9Co0.1)2As2"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1112.4636","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":"sha256:1bdef736ff4661614aa401a28bc65510edd9e835e93e7a6d46be0586f8f66352","target":"record","created_at":"2026-05-18T04:04:44Z","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":"d307438336ad276e6aeee1e757da026fd702f184c38e5767caeb488d98b6ffa5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-12-20T10:22:06Z","title_canon_sha256":"99cb9082fcb71d4d27eba2ebf87868db445c49ee345ab77951e1461b6bc13455"},"schema_version":"1.0","source":{"id":"1112.4636","kind":"arxiv","version":2}},"canonical_sha256":"baa74b0b2b89f31bffb53d8f10018b07f920831020dd228496ec999a0aee6ef5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"baa74b0b2b89f31bffb53d8f10018b07f920831020dd228496ec999a0aee6ef5","first_computed_at":"2026-05-18T04:04:44.561295Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:04:44.561295Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FM+yqnBDfdDNvc77m4tpXx6xjiurwPQg/f2BruFIyV4UpgHrCY9Q+5jtzhK2FbpYtxV0S39TNR9dhsAsXRmeDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:04:44.561909Z","signed_message":"canonical_sha256_bytes"},"source_id":"1112.4636","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1bdef736ff4661614aa401a28bc65510edd9e835e93e7a6d46be0586f8f66352","sha256:24cbf426904d645fc3f1ad2efff1909e209bfaf6e91f6d2373c366a08059f474"],"state_sha256":"ebf36ee906a92cc2ca0de7ed5ced9fdc4747e6ac64d6c1252b0a7f10193b240b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"O/rylpufNfqBWV+LrCFKgMlc9hglSucRh/ICyxi1WMVN/oPJUDeo9EqWxnQ9EiyXJCdxlrIIa192jsNerCVJCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T02:31:08.236962Z","bundle_sha256":"dafab922ba7556bbfe7f8558bfabdc03d9aa2ae03d17a2309fbcd42c145334c0"}}