{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1997:XE4HLMA7ANV4RQSERM55CWKBJ7","short_pith_number":"pith:XE4HLMA7","canonical_record":{"source":{"id":"cond-mat/9712100","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"1997-12-09T18:35:44Z","cross_cats_sorted":[],"title_canon_sha256":"fa92c8f6f19569f6add5ba3734d542376b630123cb57dc28d9fccae6d11fe52c","abstract_canon_sha256":"ad5751778326e73befcde7bab781b1eb9c1d3ff6e38495f2186b8d9246efa61d"},"schema_version":"1.0"},"canonical_sha256":"b93875b01f036bc8c2448b3bd159414ffc6d149d62681865cde1e03b0d69cb23","source":{"kind":"arxiv","id":"cond-mat/9712100","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/9712100","created_at":"2026-07-04T16:04:27Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9712100v1","created_at":"2026-07-04T16:04:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9712100","created_at":"2026-07-04T16:04:27Z"},{"alias_kind":"pith_short_12","alias_value":"XE4HLMA7ANV4","created_at":"2026-07-04T16:04:27Z"},{"alias_kind":"pith_short_16","alias_value":"XE4HLMA7ANV4RQSE","created_at":"2026-07-04T16:04:27Z"},{"alias_kind":"pith_short_8","alias_value":"XE4HLMA7","created_at":"2026-07-04T16:04:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1997:XE4HLMA7ANV4RQSERM55CWKBJ7","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/9712100","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"1997-12-09T18:35:44Z","cross_cats_sorted":[],"title_canon_sha256":"fa92c8f6f19569f6add5ba3734d542376b630123cb57dc28d9fccae6d11fe52c","abstract_canon_sha256":"ad5751778326e73befcde7bab781b1eb9c1d3ff6e38495f2186b8d9246efa61d"},"schema_version":"1.0"},"canonical_sha256":"b93875b01f036bc8c2448b3bd159414ffc6d149d62681865cde1e03b0d69cb23","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:04:27.227425Z","signature_b64":"443H3TydIjMYQHUe61qews/Sr+7lmL/yi9SDlEy75H6uH0+Oj3Th69KiUn8TgqWc7ij3QVBY68L3GN9zbWHRCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b93875b01f036bc8c2448b3bd159414ffc6d149d62681865cde1e03b0d69cb23","last_reissued_at":"2026-07-04T16:04:27.227068Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:04:27.227068Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/9712100","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":"2026-07-04T16:04:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lcmfzqlXKqssBpzpxj9g3emwBncJyn8nqluhDgCoUd+HdlL2arfk3MJcotD2bq3eWgn62qgGFBPnmh6pAqlsAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T17:08:16.236053Z"},"content_sha256":"1880dba12bf8dac799c7db98851d133f7b8c83274f1c4b8a933d8d3514899286","schema_version":"1.0","event_id":"sha256:1880dba12bf8dac799c7db98851d133f7b8c83274f1c4b8a933d8d3514899286"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1997:XE4HLMA7ANV4RQSERM55CWKBJ7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"ARPES study of the superconducting gap and pseudogap in Bi2Sr2CaCu2O8+x","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"D. G. Hinks, H. Ding, J. C. Campuzano, K. Kadowaki, M. Randeria, M. R. Norman, P. Guptasarma, T. Mochiku, T. Takahashi, T. Takeuchi, T. Yokoya","submitted_at":"1997-12-09T18:35:44Z","abstract_excerpt":"In this paper, we review some of our ARPES results on the superconducting and pseudo gaps in Bi2Sr2CaCu2O8+x. We find that optimally and overdoped samples exhibit a d-wave gap, which closes at the same temperature, Tc, for all k points. In underdoped samples, a leading edge gap is found up to a temperature T* > Tc. We find that T* scales with the maximum low temperature gap, increasing as the doping is reduced. The momentum dependence of the pseudogap is similar to that of the superconducting gap; however, the pseudogap closes at different temperatures for different k points."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9712100","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/cond-mat/9712100/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T16:04:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"M8JLq+xqn4YMJk1/BAfWsR30osxVXjgVs4/H8myuzoKyLF37NAZ2mfEvRRnqSwXsmULhlVOh1NRoZ2iKGprADA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T17:08:16.236557Z"},"content_sha256":"3527c72367823ad4021de60944142e1fc8f1a3ab2a2fd2ae5198839c466d34fa","schema_version":"1.0","event_id":"sha256:3527c72367823ad4021de60944142e1fc8f1a3ab2a2fd2ae5198839c466d34fa"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XE4HLMA7ANV4RQSERM55CWKBJ7/bundle.json","state_url":"https://pith.science/pith/XE4HLMA7ANV4RQSERM55CWKBJ7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XE4HLMA7ANV4RQSERM55CWKBJ7/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":"2026-08-06T17:08:16Z","links":{"resolver":"https://pith.science/pith/XE4HLMA7ANV4RQSERM55CWKBJ7","bundle":"https://pith.science/pith/XE4HLMA7ANV4RQSERM55CWKBJ7/bundle.json","state":"https://pith.science/pith/XE4HLMA7ANV4RQSERM55CWKBJ7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XE4HLMA7ANV4RQSERM55CWKBJ7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1997:XE4HLMA7ANV4RQSERM55CWKBJ7","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":"ad5751778326e73befcde7bab781b1eb9c1d3ff6e38495f2186b8d9246efa61d","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"1997-12-09T18:35:44Z","title_canon_sha256":"fa92c8f6f19569f6add5ba3734d542376b630123cb57dc28d9fccae6d11fe52c"},"schema_version":"1.0","source":{"id":"cond-mat/9712100","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/9712100","created_at":"2026-07-04T16:04:27Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9712100v1","created_at":"2026-07-04T16:04:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9712100","created_at":"2026-07-04T16:04:27Z"},{"alias_kind":"pith_short_12","alias_value":"XE4HLMA7ANV4","created_at":"2026-07-04T16:04:27Z"},{"alias_kind":"pith_short_16","alias_value":"XE4HLMA7ANV4RQSE","created_at":"2026-07-04T16:04:27Z"},{"alias_kind":"pith_short_8","alias_value":"XE4HLMA7","created_at":"2026-07-04T16:04:27Z"}],"graph_snapshots":[{"event_id":"sha256:3527c72367823ad4021de60944142e1fc8f1a3ab2a2fd2ae5198839c466d34fa","target":"graph","created_at":"2026-07-04T16:04:27Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/cond-mat/9712100/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this paper, we review some of our ARPES results on the superconducting and pseudo gaps in Bi2Sr2CaCu2O8+x. We find that optimally and overdoped samples exhibit a d-wave gap, which closes at the same temperature, Tc, for all k points. In underdoped samples, a leading edge gap is found up to a temperature T* > Tc. We find that T* scales with the maximum low temperature gap, increasing as the doping is reduced. The momentum dependence of the pseudogap is similar to that of the superconducting gap; however, the pseudogap closes at different temperatures for different k points.","authors_text":"D. G. Hinks, H. Ding, J. C. Campuzano, K. Kadowaki, M. Randeria, M. R. Norman, P. Guptasarma, T. Mochiku, T. Takahashi, T. Takeuchi, T. Yokoya","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.supr-con","submitted_at":"1997-12-09T18:35:44Z","title":"ARPES study of the superconducting gap and pseudogap in Bi2Sr2CaCu2O8+x"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9712100","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":"sha256:1880dba12bf8dac799c7db98851d133f7b8c83274f1c4b8a933d8d3514899286","target":"record","created_at":"2026-07-04T16:04:27Z","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":"ad5751778326e73befcde7bab781b1eb9c1d3ff6e38495f2186b8d9246efa61d","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"1997-12-09T18:35:44Z","title_canon_sha256":"fa92c8f6f19569f6add5ba3734d542376b630123cb57dc28d9fccae6d11fe52c"},"schema_version":"1.0","source":{"id":"cond-mat/9712100","kind":"arxiv","version":1}},"canonical_sha256":"b93875b01f036bc8c2448b3bd159414ffc6d149d62681865cde1e03b0d69cb23","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b93875b01f036bc8c2448b3bd159414ffc6d149d62681865cde1e03b0d69cb23","first_computed_at":"2026-07-04T16:04:27.227068Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:04:27.227068Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"443H3TydIjMYQHUe61qews/Sr+7lmL/yi9SDlEy75H6uH0+Oj3Th69KiUn8TgqWc7ij3QVBY68L3GN9zbWHRCQ==","signature_status":"signed_v1","signed_at":"2026-07-04T16:04:27.227425Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/9712100","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1880dba12bf8dac799c7db98851d133f7b8c83274f1c4b8a933d8d3514899286","sha256:3527c72367823ad4021de60944142e1fc8f1a3ab2a2fd2ae5198839c466d34fa"],"state_sha256":"0a4d224597ae03b1435623bca72378e85ec60176469a829ade659684c1c7f797"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LfbOPGIbtFaLAt+UPnM/m9YWRqDDCnpV2mB4hfvsfnoV6AGXniHv3qyp8pq0LDMgH5vvCxO9W5pky6Ij2eGaBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T17:08:16.242349Z","bundle_sha256":"1ff2ab704ddcad179eaa93b2c2bfc53678f9182b9cfc86a16881fccf280853aa"}}