{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:6WNIJ7QQUP7SEBRUBX3OBXLXFO","short_pith_number":"pith:6WNIJ7QQ","canonical_record":{"source":{"id":"1206.5354","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-06-23T03:13:09Z","cross_cats_sorted":[],"title_canon_sha256":"60aed116acad9400352b7a68f6be282f4d2d4adf59a4c6cc0ebce0dffffe1a9f","abstract_canon_sha256":"3059f30c527ee0222ac81fbe50ad9916c6ad5f290ea2b557d67a9a50662c5a1c"},"schema_version":"1.0"},"canonical_sha256":"f59a84fe10a3ff2206340df6e0dd772b9f70eb2ea02b67849c17c1609ff66a02","source":{"kind":"arxiv","id":"1206.5354","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.5354","created_at":"2026-05-18T03:51:01Z"},{"alias_kind":"arxiv_version","alias_value":"1206.5354v1","created_at":"2026-05-18T03:51:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.5354","created_at":"2026-05-18T03:51:01Z"},{"alias_kind":"pith_short_12","alias_value":"6WNIJ7QQUP7S","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"6WNIJ7QQUP7SEBRU","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"6WNIJ7QQ","created_at":"2026-05-18T12:26:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:6WNIJ7QQUP7SEBRUBX3OBXLXFO","target":"record","payload":{"canonical_record":{"source":{"id":"1206.5354","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-06-23T03:13:09Z","cross_cats_sorted":[],"title_canon_sha256":"60aed116acad9400352b7a68f6be282f4d2d4adf59a4c6cc0ebce0dffffe1a9f","abstract_canon_sha256":"3059f30c527ee0222ac81fbe50ad9916c6ad5f290ea2b557d67a9a50662c5a1c"},"schema_version":"1.0"},"canonical_sha256":"f59a84fe10a3ff2206340df6e0dd772b9f70eb2ea02b67849c17c1609ff66a02","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:51:01.574695Z","signature_b64":"ufPQ/+ssRoiUAKH/KmLUP1t+k48T1xn57kLE5Pm0QPApPsn9d3QDd8Lvft6tccxMjNCo7Z5/btAqQL11yFuXDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f59a84fe10a3ff2206340df6e0dd772b9f70eb2ea02b67849c17c1609ff66a02","last_reissued_at":"2026-05-18T03:51:01.573964Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:51:01.573964Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1206.5354","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":"2026-05-18T03:51:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Mc3Wu0BfTOTu4xU18CqbWOlz5KFTknr199zs97E0ZfKzFguj6Bg8AV6Q+QguozFpQw4TqRd5Rx+3YU7BJ/36Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T15:39:53.885709Z"},"content_sha256":"73a05997f8ea4fd5c6aa2f508ccd12f29cf364f5dee7cc97f7691ceccf4b025f","schema_version":"1.0","event_id":"sha256:73a05997f8ea4fd5c6aa2f508ccd12f29cf364f5dee7cc97f7691ceccf4b025f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:6WNIJ7QQUP7SEBRUBX3OBXLXFO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Specific Heat To Hc2: Evidence for Nodes or Deep Minima in the Superconducting Gap of Under- and Overdoped Ba(Fe1-xCox)2As2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"A. S. Sefat, B. D. Faeth, F. Ronning, G. R. Stewart, J. S. Kim, K. Gofryk, K. H. Kim, K. Y. Choi, P.J. Hirschfeld, Y. Wang","submitted_at":"2012-06-23T03:13:09Z","abstract_excerpt":"Low temperature specific heat, C, in magnetic fields up to Hc2 is reported for underdoped Ba(Fe0.955Co0.045)2As2 (Tc=8 K) and for three overdoped samples Ba(Fe1-xCox)2As2 (x=0.103, 0.13, and 0.15, Tc=17.2, 16.5, and 11.7 K respectively). Previous measurements of thermal conductivity (as a function of temperature and field) and penetration depth on comparable composition samples gave some disagreement as to whether there was fully gapped/nodal behavior in the under-/overdoped materials respectively. The present work shows that the measured behavior of the specific heat gamma (proportional to C/"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.5354","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":"2026-05-18T03:51:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iCoSTq4Sx3ZQbGA2TFp+8+YjY7Gi6rciCQpQLmDbNE9ZU1ngkci5jASPt9i+DJOSUPzwvqhEpZ+MrWS8pVRIAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T15:39:53.886470Z"},"content_sha256":"c34127ba0d788bdfbf2f847a983d78d40193c916572a20b229ef87260bb4e480","schema_version":"1.0","event_id":"sha256:c34127ba0d788bdfbf2f847a983d78d40193c916572a20b229ef87260bb4e480"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6WNIJ7QQUP7SEBRUBX3OBXLXFO/bundle.json","state_url":"https://pith.science/pith/6WNIJ7QQUP7SEBRUBX3OBXLXFO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6WNIJ7QQUP7SEBRUBX3OBXLXFO/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":"2026-06-11T15:39:53Z","links":{"resolver":"https://pith.science/pith/6WNIJ7QQUP7SEBRUBX3OBXLXFO","bundle":"https://pith.science/pith/6WNIJ7QQUP7SEBRUBX3OBXLXFO/bundle.json","state":"https://pith.science/pith/6WNIJ7QQUP7SEBRUBX3OBXLXFO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6WNIJ7QQUP7SEBRUBX3OBXLXFO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:6WNIJ7QQUP7SEBRUBX3OBXLXFO","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":"3059f30c527ee0222ac81fbe50ad9916c6ad5f290ea2b557d67a9a50662c5a1c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-06-23T03:13:09Z","title_canon_sha256":"60aed116acad9400352b7a68f6be282f4d2d4adf59a4c6cc0ebce0dffffe1a9f"},"schema_version":"1.0","source":{"id":"1206.5354","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.5354","created_at":"2026-05-18T03:51:01Z"},{"alias_kind":"arxiv_version","alias_value":"1206.5354v1","created_at":"2026-05-18T03:51:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.5354","created_at":"2026-05-18T03:51:01Z"},{"alias_kind":"pith_short_12","alias_value":"6WNIJ7QQUP7S","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"6WNIJ7QQUP7SEBRU","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"6WNIJ7QQ","created_at":"2026-05-18T12:26:56Z"}],"graph_snapshots":[{"event_id":"sha256:c34127ba0d788bdfbf2f847a983d78d40193c916572a20b229ef87260bb4e480","target":"graph","created_at":"2026-05-18T03:51:01Z","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":"Low temperature specific heat, C, in magnetic fields up to Hc2 is reported for underdoped Ba(Fe0.955Co0.045)2As2 (Tc=8 K) and for three overdoped samples Ba(Fe1-xCox)2As2 (x=0.103, 0.13, and 0.15, Tc=17.2, 16.5, and 11.7 K respectively). Previous measurements of thermal conductivity (as a function of temperature and field) and penetration depth on comparable composition samples gave some disagreement as to whether there was fully gapped/nodal behavior in the under-/overdoped materials respectively. The present work shows that the measured behavior of the specific heat gamma (proportional to C/","authors_text":"A. S. Sefat, B. D. Faeth, F. Ronning, G. R. Stewart, J. S. Kim, K. Gofryk, K. H. Kim, K. Y. Choi, P.J. Hirschfeld, Y. Wang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-06-23T03:13:09Z","title":"Specific Heat To Hc2: Evidence for Nodes or Deep Minima in the Superconducting Gap of Under- and Overdoped Ba(Fe1-xCox)2As2"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.5354","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":"sha256:73a05997f8ea4fd5c6aa2f508ccd12f29cf364f5dee7cc97f7691ceccf4b025f","target":"record","created_at":"2026-05-18T03:51:01Z","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":"3059f30c527ee0222ac81fbe50ad9916c6ad5f290ea2b557d67a9a50662c5a1c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2012-06-23T03:13:09Z","title_canon_sha256":"60aed116acad9400352b7a68f6be282f4d2d4adf59a4c6cc0ebce0dffffe1a9f"},"schema_version":"1.0","source":{"id":"1206.5354","kind":"arxiv","version":1}},"canonical_sha256":"f59a84fe10a3ff2206340df6e0dd772b9f70eb2ea02b67849c17c1609ff66a02","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f59a84fe10a3ff2206340df6e0dd772b9f70eb2ea02b67849c17c1609ff66a02","first_computed_at":"2026-05-18T03:51:01.573964Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:51:01.573964Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ufPQ/+ssRoiUAKH/KmLUP1t+k48T1xn57kLE5Pm0QPApPsn9d3QDd8Lvft6tccxMjNCo7Z5/btAqQL11yFuXDg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:51:01.574695Z","signed_message":"canonical_sha256_bytes"},"source_id":"1206.5354","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:73a05997f8ea4fd5c6aa2f508ccd12f29cf364f5dee7cc97f7691ceccf4b025f","sha256:c34127ba0d788bdfbf2f847a983d78d40193c916572a20b229ef87260bb4e480"],"state_sha256":"579271af3cf9aa8cdef87a615455b7993f70a141dc6f5f28d73cd7dca6649703"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JnS77XsyzXaX7jZ5E2qHmG+ZRilKvKxfnuBycyVTsweoKoJxvrmnTY0X++oUgp1YODxNuLby0hoDiHzNX7cdBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T15:39:53.890379Z","bundle_sha256":"df25d303a3fa87e81f5cfe2ddbf3e7f85c1d1b474de4e8fb6be5b109a2e34551"}}