{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:E5KIJV2LIBUDXB6EHPRVPZFUFG","short_pith_number":"pith:E5KIJV2L","canonical_record":{"source":{"id":"1009.4236","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2010-09-22T00:05:01Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"4aef9c7e5c90c9f0ae0381c7d53bab5a692b184b4ff6df4a07d7f44817fe0930","abstract_canon_sha256":"bfcf8f6825dc9ac0adb0868ea45d3e8af5e1ee14159909108dc1fa50ae86f7b1"},"schema_version":"1.0"},"canonical_sha256":"275484d74b40683b87c43be357e4b429b8937334aa3a429cfb5052d046c55874","source":{"kind":"arxiv","id":"1009.4236","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1009.4236","created_at":"2026-05-18T04:31:42Z"},{"alias_kind":"arxiv_version","alias_value":"1009.4236v2","created_at":"2026-05-18T04:31:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.4236","created_at":"2026-05-18T04:31:42Z"},{"alias_kind":"pith_short_12","alias_value":"E5KIJV2LIBUD","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_16","alias_value":"E5KIJV2LIBUDXB6E","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_8","alias_value":"E5KIJV2L","created_at":"2026-05-18T12:26:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:E5KIJV2LIBUDXB6EHPRVPZFUFG","target":"record","payload":{"canonical_record":{"source":{"id":"1009.4236","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2010-09-22T00:05:01Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"4aef9c7e5c90c9f0ae0381c7d53bab5a692b184b4ff6df4a07d7f44817fe0930","abstract_canon_sha256":"bfcf8f6825dc9ac0adb0868ea45d3e8af5e1ee14159909108dc1fa50ae86f7b1"},"schema_version":"1.0"},"canonical_sha256":"275484d74b40683b87c43be357e4b429b8937334aa3a429cfb5052d046c55874","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:31:42.114974Z","signature_b64":"gmxY0DF7KftkFpYCj3U5UtmrpWa6kzlblo6rrRqSG3VOu/MkzbYSCT9XhV3Beb9Muf44DPXfTd4SkjcmwL79BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"275484d74b40683b87c43be357e4b429b8937334aa3a429cfb5052d046c55874","last_reissued_at":"2026-05-18T04:31:42.114421Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:31:42.114421Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1009.4236","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":"2026-05-18T04:31:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QlWmJYObGXOI/ZwNx43h9+6mgxZgF15SD1xVvGe7Oh7vPEV5Dy9h8EWxtFiwLgC2hLVqleMkFcTlHFYFZthMAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T05:03:43.078977Z"},"content_sha256":"89a5b7939d53e9533f18aff1bb33afb83bdecdd90259643b451fc14c8e7d3a6f","schema_version":"1.0","event_id":"sha256:89a5b7939d53e9533f18aff1bb33afb83bdecdd90259643b451fc14c8e7d3a6f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:E5KIJV2LIBUDXB6EHPRVPZFUFG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Universality of superconducting gaps in overdoped Ba0.3K0.7Fe2As2 observed by angle-resolved photoemission spectroscopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"G. F. Chen, H. Ding, K. Nakayama, K. Umezawa, M. Neupane, P. Richard, T. Kawahara, T. Qian, T. Sato, T. Takahashi, Y.-M. Xu","submitted_at":"2010-09-22T00:05:01Z","abstract_excerpt":"We have performed angle-resolved photoemission spectroscopy on the overdoped Ba$_{0.3}$K$_{0.7}$Fe$_2$As$_2$ superconductor ($T_c$ = 22 K). We demonstrate that the superconducting (SC) gap on each Fermi surface (FS) is nearly isotropic whereas the gap value varies from 4.4 to 7.9 meV on different FSs. By comparing with under- and optimally-doped Ba$_{1-x}$K$_x$Fe$_2$As$_2$, we find that the gap value on each FS nearly scales with $T_c$ over a wide doping range (0.25 $\\textyen leq$ $x$ $\\textyen leq$ 0.7). Although the FS volume and the SC gap magnitude are strongly doping dependent, the multip"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.4236","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":"2026-05-18T04:31:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hyDo5N2sKp8yPloOfeGtRza+0803Id82UI8yxfIAQzjrPU66xhySW8m7l6ZMGaJjHk67cBjfJEIsM879y/zFDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T05:03:43.079366Z"},"content_sha256":"863b9f3544660665430c7c3c314e32c2a5c7c067a732101ade3cf1c8aaf85880","schema_version":"1.0","event_id":"sha256:863b9f3544660665430c7c3c314e32c2a5c7c067a732101ade3cf1c8aaf85880"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/E5KIJV2LIBUDXB6EHPRVPZFUFG/bundle.json","state_url":"https://pith.science/pith/E5KIJV2LIBUDXB6EHPRVPZFUFG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/E5KIJV2LIBUDXB6EHPRVPZFUFG/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":"2026-05-31T05:03:43Z","links":{"resolver":"https://pith.science/pith/E5KIJV2LIBUDXB6EHPRVPZFUFG","bundle":"https://pith.science/pith/E5KIJV2LIBUDXB6EHPRVPZFUFG/bundle.json","state":"https://pith.science/pith/E5KIJV2LIBUDXB6EHPRVPZFUFG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/E5KIJV2LIBUDXB6EHPRVPZFUFG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:E5KIJV2LIBUDXB6EHPRVPZFUFG","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":"bfcf8f6825dc9ac0adb0868ea45d3e8af5e1ee14159909108dc1fa50ae86f7b1","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2010-09-22T00:05:01Z","title_canon_sha256":"4aef9c7e5c90c9f0ae0381c7d53bab5a692b184b4ff6df4a07d7f44817fe0930"},"schema_version":"1.0","source":{"id":"1009.4236","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1009.4236","created_at":"2026-05-18T04:31:42Z"},{"alias_kind":"arxiv_version","alias_value":"1009.4236v2","created_at":"2026-05-18T04:31:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.4236","created_at":"2026-05-18T04:31:42Z"},{"alias_kind":"pith_short_12","alias_value":"E5KIJV2LIBUD","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_16","alias_value":"E5KIJV2LIBUDXB6E","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_8","alias_value":"E5KIJV2L","created_at":"2026-05-18T12:26:06Z"}],"graph_snapshots":[{"event_id":"sha256:863b9f3544660665430c7c3c314e32c2a5c7c067a732101ade3cf1c8aaf85880","target":"graph","created_at":"2026-05-18T04:31:42Z","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 have performed angle-resolved photoemission spectroscopy on the overdoped Ba$_{0.3}$K$_{0.7}$Fe$_2$As$_2$ superconductor ($T_c$ = 22 K). We demonstrate that the superconducting (SC) gap on each Fermi surface (FS) is nearly isotropic whereas the gap value varies from 4.4 to 7.9 meV on different FSs. By comparing with under- and optimally-doped Ba$_{1-x}$K$_x$Fe$_2$As$_2$, we find that the gap value on each FS nearly scales with $T_c$ over a wide doping range (0.25 $\\textyen leq$ $x$ $\\textyen leq$ 0.7). Although the FS volume and the SC gap magnitude are strongly doping dependent, the multip","authors_text":"G. F. Chen, H. Ding, K. Nakayama, K. Umezawa, M. Neupane, P. Richard, T. Kawahara, T. Qian, T. Sato, T. Takahashi, Y.-M. Xu","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2010-09-22T00:05:01Z","title":"Universality of superconducting gaps in overdoped Ba0.3K0.7Fe2As2 observed by angle-resolved photoemission spectroscopy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.4236","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":"sha256:89a5b7939d53e9533f18aff1bb33afb83bdecdd90259643b451fc14c8e7d3a6f","target":"record","created_at":"2026-05-18T04:31:42Z","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":"bfcf8f6825dc9ac0adb0868ea45d3e8af5e1ee14159909108dc1fa50ae86f7b1","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2010-09-22T00:05:01Z","title_canon_sha256":"4aef9c7e5c90c9f0ae0381c7d53bab5a692b184b4ff6df4a07d7f44817fe0930"},"schema_version":"1.0","source":{"id":"1009.4236","kind":"arxiv","version":2}},"canonical_sha256":"275484d74b40683b87c43be357e4b429b8937334aa3a429cfb5052d046c55874","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"275484d74b40683b87c43be357e4b429b8937334aa3a429cfb5052d046c55874","first_computed_at":"2026-05-18T04:31:42.114421Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:31:42.114421Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gmxY0DF7KftkFpYCj3U5UtmrpWa6kzlblo6rrRqSG3VOu/MkzbYSCT9XhV3Beb9Muf44DPXfTd4SkjcmwL79BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:31:42.114974Z","signed_message":"canonical_sha256_bytes"},"source_id":"1009.4236","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:89a5b7939d53e9533f18aff1bb33afb83bdecdd90259643b451fc14c8e7d3a6f","sha256:863b9f3544660665430c7c3c314e32c2a5c7c067a732101ade3cf1c8aaf85880"],"state_sha256":"0401fadeb834d72c69b4232a34970eeb8f9d7c0473ea033c54acdab08d4c2ce3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pkC+Vq5aG05CuBid8RJ7H53uEYuvUTvY8zChizgG+nm7qpVacW6kUGfV3wcALA2+wc/wEDzN110c1AhZYQ+XAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T05:03:43.082355Z","bundle_sha256":"8ddf14d0b02e6d509766d22b722f86421e5ea427e6988052b563a2c38d6e87f4"}}