{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:Z7ZBGJNEUAR6TQ6XY5CBOSNQAU","short_pith_number":"pith:Z7ZBGJNE","canonical_record":{"source":{"id":"1509.08950","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2015-09-29T21:01:13Z","cross_cats_sorted":[],"title_canon_sha256":"06d1b9d6882911b81ad874fe9d00e155865dd8f6433e8ea609e98d1951388685","abstract_canon_sha256":"7eafed6f318680bb5f4f0c2fa801cdb417063377ea8ee870f576f2754b0d685a"},"schema_version":"1.0"},"canonical_sha256":"cff21325a4a023e9c3d7c7441749b00531d659b15b206248554e1ff79adb7d6e","source":{"kind":"arxiv","id":"1509.08950","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.08950","created_at":"2026-05-18T01:24:06Z"},{"alias_kind":"arxiv_version","alias_value":"1509.08950v1","created_at":"2026-05-18T01:24:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.08950","created_at":"2026-05-18T01:24:06Z"},{"alias_kind":"pith_short_12","alias_value":"Z7ZBGJNEUAR6","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_16","alias_value":"Z7ZBGJNEUAR6TQ6X","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_8","alias_value":"Z7ZBGJNE","created_at":"2026-05-18T12:29:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:Z7ZBGJNEUAR6TQ6XY5CBOSNQAU","target":"record","payload":{"canonical_record":{"source":{"id":"1509.08950","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2015-09-29T21:01:13Z","cross_cats_sorted":[],"title_canon_sha256":"06d1b9d6882911b81ad874fe9d00e155865dd8f6433e8ea609e98d1951388685","abstract_canon_sha256":"7eafed6f318680bb5f4f0c2fa801cdb417063377ea8ee870f576f2754b0d685a"},"schema_version":"1.0"},"canonical_sha256":"cff21325a4a023e9c3d7c7441749b00531d659b15b206248554e1ff79adb7d6e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:24:06.453582Z","signature_b64":"jg/oUOwGTv8OfskPQqzr25MlYRbVUiLgLehKAEhw0pi0AGwvolSoPZ0LLZzdxBsChrX0Gu7yXN3Syj3qEeLkCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cff21325a4a023e9c3d7c7441749b00531d659b15b206248554e1ff79adb7d6e","last_reissued_at":"2026-05-18T01:24:06.452895Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:24:06.452895Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1509.08950","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":"2026-05-18T01:24:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Sd8upEFdBfqKyTmEf3OCFFz8I6/Y67McBeg/D6VlQFNwU5riSJ0Z0IQBtiD+pxBNfxmBJMgCQbkOyunhBnz8Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T11:10:14.585156Z"},"content_sha256":"fcddd949b4145403c41f2131d9b87e65dff39cb5b7c75746ea7e9af101916bca","schema_version":"1.0","event_id":"sha256:fcddd949b4145403c41f2131d9b87e65dff39cb5b7c75746ea7e9af101916bca"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:Z7ZBGJNEUAR6TQ6XY5CBOSNQAU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Superconductivity dichotomy in K-coated single and double unit cell FeSe films on SrTiO3","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Canli Song, Cheng Zheng, Chenjia Tang, Chong Liu, Ding Zhang, Guanyu Zhou, Ke He, Lili Wang, Qi-Kun Xue, Shuaihua Ji, Xiaopeng Hu, Xi Chen, Xucun Ma, Yunyi Zang, Zheng Li","submitted_at":"2015-09-29T21:01:13Z","abstract_excerpt":"We report the superconductivity evolution of one unit cell (1-UC) and 2-UC FeSe films on SrTiO3(001) substrates with potassium (K) adsorption. By in situ scanning tunneling spectroscopy measurement, we find that the superconductivity in 1-UC FeSe films is continuously suppressed with increasing K coverage, whereas non-superconducting 2-UC FeSe films become superconducting with a gap of ~17 meV or ~11 meV depending on whether the underlying 1-UC films are superconducting or not. This work explicitly reveals that the interface electron-phonon coupling is strongly related to the charge transfer a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.08950","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":"2026-05-18T01:24:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KN63+Z5tWQzM8AgtfYWOpqo1mgxHfS17Cn341Sng983mrEdd7LOCYT4OJsW2pIYpWxE/x//Vj2hek4SnRhlOAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T11:10:14.585512Z"},"content_sha256":"26227b40b3536b8d2dd79ba3636666c36138cb3ec0e18bfbece326d09d35bb4d","schema_version":"1.0","event_id":"sha256:26227b40b3536b8d2dd79ba3636666c36138cb3ec0e18bfbece326d09d35bb4d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Z7ZBGJNEUAR6TQ6XY5CBOSNQAU/bundle.json","state_url":"https://pith.science/pith/Z7ZBGJNEUAR6TQ6XY5CBOSNQAU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Z7ZBGJNEUAR6TQ6XY5CBOSNQAU/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":"2026-06-04T11:10:14Z","links":{"resolver":"https://pith.science/pith/Z7ZBGJNEUAR6TQ6XY5CBOSNQAU","bundle":"https://pith.science/pith/Z7ZBGJNEUAR6TQ6XY5CBOSNQAU/bundle.json","state":"https://pith.science/pith/Z7ZBGJNEUAR6TQ6XY5CBOSNQAU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Z7ZBGJNEUAR6TQ6XY5CBOSNQAU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:Z7ZBGJNEUAR6TQ6XY5CBOSNQAU","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":"7eafed6f318680bb5f4f0c2fa801cdb417063377ea8ee870f576f2754b0d685a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2015-09-29T21:01:13Z","title_canon_sha256":"06d1b9d6882911b81ad874fe9d00e155865dd8f6433e8ea609e98d1951388685"},"schema_version":"1.0","source":{"id":"1509.08950","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.08950","created_at":"2026-05-18T01:24:06Z"},{"alias_kind":"arxiv_version","alias_value":"1509.08950v1","created_at":"2026-05-18T01:24:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.08950","created_at":"2026-05-18T01:24:06Z"},{"alias_kind":"pith_short_12","alias_value":"Z7ZBGJNEUAR6","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_16","alias_value":"Z7ZBGJNEUAR6TQ6X","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_8","alias_value":"Z7ZBGJNE","created_at":"2026-05-18T12:29:52Z"}],"graph_snapshots":[{"event_id":"sha256:26227b40b3536b8d2dd79ba3636666c36138cb3ec0e18bfbece326d09d35bb4d","target":"graph","created_at":"2026-05-18T01:24:06Z","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 the superconductivity evolution of one unit cell (1-UC) and 2-UC FeSe films on SrTiO3(001) substrates with potassium (K) adsorption. By in situ scanning tunneling spectroscopy measurement, we find that the superconductivity in 1-UC FeSe films is continuously suppressed with increasing K coverage, whereas non-superconducting 2-UC FeSe films become superconducting with a gap of ~17 meV or ~11 meV depending on whether the underlying 1-UC films are superconducting or not. This work explicitly reveals that the interface electron-phonon coupling is strongly related to the charge transfer a","authors_text":"Canli Song, Cheng Zheng, Chenjia Tang, Chong Liu, Ding Zhang, Guanyu Zhou, Ke He, Lili Wang, Qi-Kun Xue, Shuaihua Ji, Xiaopeng Hu, Xi Chen, Xucun Ma, Yunyi Zang, Zheng Li","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2015-09-29T21:01:13Z","title":"Superconductivity dichotomy in K-coated single and double unit cell FeSe films on SrTiO3"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.08950","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:fcddd949b4145403c41f2131d9b87e65dff39cb5b7c75746ea7e9af101916bca","target":"record","created_at":"2026-05-18T01:24:06Z","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":"7eafed6f318680bb5f4f0c2fa801cdb417063377ea8ee870f576f2754b0d685a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2015-09-29T21:01:13Z","title_canon_sha256":"06d1b9d6882911b81ad874fe9d00e155865dd8f6433e8ea609e98d1951388685"},"schema_version":"1.0","source":{"id":"1509.08950","kind":"arxiv","version":1}},"canonical_sha256":"cff21325a4a023e9c3d7c7441749b00531d659b15b206248554e1ff79adb7d6e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cff21325a4a023e9c3d7c7441749b00531d659b15b206248554e1ff79adb7d6e","first_computed_at":"2026-05-18T01:24:06.452895Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:24:06.452895Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jg/oUOwGTv8OfskPQqzr25MlYRbVUiLgLehKAEhw0pi0AGwvolSoPZ0LLZzdxBsChrX0Gu7yXN3Syj3qEeLkCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:24:06.453582Z","signed_message":"canonical_sha256_bytes"},"source_id":"1509.08950","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fcddd949b4145403c41f2131d9b87e65dff39cb5b7c75746ea7e9af101916bca","sha256:26227b40b3536b8d2dd79ba3636666c36138cb3ec0e18bfbece326d09d35bb4d"],"state_sha256":"07d342fc868ab0081df07231f47b9d61ef0dd8d72ddff5cf791a5bc089d60ecb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"N1ohjdHJl3LmmbGF9gy4YgVSWrIPMNgdRKteVxMMfFnr52jyJi5mmuBnfD81p+dTaxrBlMPHPZgWx/z0cg9VCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T11:10:14.587446Z","bundle_sha256":"d7a8b173ea2d76de5c64217183019ea710bbfbebea77ab6180c09660709ada71"}}