{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:NXYIK4MZCTFH2YTAZ4HJYN65NZ","short_pith_number":"pith:NXYIK4MZ","canonical_record":{"source":{"id":"1912.13280","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-12-31T12:07:56Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"d3fb43e67f5871c5c760b9aef3f5cee02252dbc40a0699269bbe1d9e6bc64757","abstract_canon_sha256":"bbc3ad2370d0a9ccbca38cee315adcbdaad9743d478dbf2631aac9439c3d48fd"},"schema_version":"1.0"},"canonical_sha256":"6df085719914ca7d6260cf0e9c37dd6e4cc96680b32c5f1bf637be4b903c39d6","source":{"kind":"arxiv","id":"1912.13280","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1912.13280","created_at":"2026-07-05T01:29:48Z"},{"alias_kind":"arxiv_version","alias_value":"1912.13280v1","created_at":"2026-07-05T01:29:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.13280","created_at":"2026-07-05T01:29:48Z"},{"alias_kind":"pith_short_12","alias_value":"NXYIK4MZCTFH","created_at":"2026-07-05T01:29:48Z"},{"alias_kind":"pith_short_16","alias_value":"NXYIK4MZCTFH2YTA","created_at":"2026-07-05T01:29:48Z"},{"alias_kind":"pith_short_8","alias_value":"NXYIK4MZ","created_at":"2026-07-05T01:29:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:NXYIK4MZCTFH2YTAZ4HJYN65NZ","target":"record","payload":{"canonical_record":{"source":{"id":"1912.13280","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-12-31T12:07:56Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"d3fb43e67f5871c5c760b9aef3f5cee02252dbc40a0699269bbe1d9e6bc64757","abstract_canon_sha256":"bbc3ad2370d0a9ccbca38cee315adcbdaad9743d478dbf2631aac9439c3d48fd"},"schema_version":"1.0"},"canonical_sha256":"6df085719914ca7d6260cf0e9c37dd6e4cc96680b32c5f1bf637be4b903c39d6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:29:48.273101Z","signature_b64":"aC2hTEJynf3d1768hWejiY74GOms1TvyuFMxqJsFm+7Dd9yE9tD7r2oPY5oTwv8OXsyyonVPJMPlR5ulTxDSCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6df085719914ca7d6260cf0e9c37dd6e4cc96680b32c5f1bf637be4b903c39d6","last_reissued_at":"2026-07-05T01:29:48.272654Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:29:48.272654Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1912.13280","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":"2026-07-05T01:29:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uUD9qmizA4DlhrZSQRVoSBcgtGg5Syp/4hl57CyLPNi0cdIFehu/Ex1w7LxLDgLK18us24oADMkNS3ASfE/zAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-26T06:38:15.209200Z"},"content_sha256":"3d417925a0e8d88611e3bd172029778d09b0f37a7235fef314c1555c78d9bb0f","schema_version":"1.0","event_id":"sha256:3d417925a0e8d88611e3bd172029778d09b0f37a7235fef314c1555c78d9bb0f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:NXYIK4MZCTFH2YTAZ4HJYN65NZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Step-edge assisted large scale FeSe monolayer growth on epitaxial Bi2Se3 thin films","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Gunther Springholz, Jan Fik\\'a\\v{c}ek, Jan Honolka, Jan \\v{C}echal, Karel Carva, Lukas Kormo\\v{s}, Martin Vondr\\'a\\v{c}ek, Ondrej Caha, Pavel Proch\\'azka, Petru Vlaic, Stanislav Pr\\r{u}\\v{s}a, Tom\\'a\\v{s} Sk\\'ala, Vitalii Stetsovych","submitted_at":"2019-12-31T12:07:56Z","abstract_excerpt":"The interest in Fe-chalcogenide unconventional superconductors is intense after the critical temperature of FeSe was reported enhanced by more than one order of magnitude in the monolayer limit at the interface to an insulating oxide substrate. In heterostructures comprising interfaces of FeSe with topological insulators, additional interesting physical phenomena is predicted to arise e.g. in form of {\\it topological superconductivity}. So far superconductive properties of Fe-chalcogenide monolayers were mostly studied by local scanning tunneling spectroscopy experiments, which can detect pseu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.13280","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/1912.13280/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":"2026-07-05T01:29:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"u8ykFJYifs8xe8eaBB48hrHT6WVtoVB6YUimNq4jZHZpzBUxP35WmTYY38vtNctWXcMHwLA9tZiTTqA0MMAaAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-26T06:38:15.209596Z"},"content_sha256":"20396e91082013c1b5d68ea809083189f957dd5814eee97f9bb6b91ed9764abd","schema_version":"1.0","event_id":"sha256:20396e91082013c1b5d68ea809083189f957dd5814eee97f9bb6b91ed9764abd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NXYIK4MZCTFH2YTAZ4HJYN65NZ/bundle.json","state_url":"https://pith.science/pith/NXYIK4MZCTFH2YTAZ4HJYN65NZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NXYIK4MZCTFH2YTAZ4HJYN65NZ/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":"2026-07-26T06:38:15Z","links":{"resolver":"https://pith.science/pith/NXYIK4MZCTFH2YTAZ4HJYN65NZ","bundle":"https://pith.science/pith/NXYIK4MZCTFH2YTAZ4HJYN65NZ/bundle.json","state":"https://pith.science/pith/NXYIK4MZCTFH2YTAZ4HJYN65NZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NXYIK4MZCTFH2YTAZ4HJYN65NZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:NXYIK4MZCTFH2YTAZ4HJYN65NZ","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":"bbc3ad2370d0a9ccbca38cee315adcbdaad9743d478dbf2631aac9439c3d48fd","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-12-31T12:07:56Z","title_canon_sha256":"d3fb43e67f5871c5c760b9aef3f5cee02252dbc40a0699269bbe1d9e6bc64757"},"schema_version":"1.0","source":{"id":"1912.13280","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1912.13280","created_at":"2026-07-05T01:29:48Z"},{"alias_kind":"arxiv_version","alias_value":"1912.13280v1","created_at":"2026-07-05T01:29:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.13280","created_at":"2026-07-05T01:29:48Z"},{"alias_kind":"pith_short_12","alias_value":"NXYIK4MZCTFH","created_at":"2026-07-05T01:29:48Z"},{"alias_kind":"pith_short_16","alias_value":"NXYIK4MZCTFH2YTA","created_at":"2026-07-05T01:29:48Z"},{"alias_kind":"pith_short_8","alias_value":"NXYIK4MZ","created_at":"2026-07-05T01:29:48Z"}],"graph_snapshots":[{"event_id":"sha256:20396e91082013c1b5d68ea809083189f957dd5814eee97f9bb6b91ed9764abd","target":"graph","created_at":"2026-07-05T01:29:48Z","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/1912.13280/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The interest in Fe-chalcogenide unconventional superconductors is intense after the critical temperature of FeSe was reported enhanced by more than one order of magnitude in the monolayer limit at the interface to an insulating oxide substrate. In heterostructures comprising interfaces of FeSe with topological insulators, additional interesting physical phenomena is predicted to arise e.g. in form of {\\it topological superconductivity}. So far superconductive properties of Fe-chalcogenide monolayers were mostly studied by local scanning tunneling spectroscopy experiments, which can detect pseu","authors_text":"Gunther Springholz, Jan Fik\\'a\\v{c}ek, Jan Honolka, Jan \\v{C}echal, Karel Carva, Lukas Kormo\\v{s}, Martin Vondr\\'a\\v{c}ek, Ondrej Caha, Pavel Proch\\'azka, Petru Vlaic, Stanislav Pr\\r{u}\\v{s}a, Tom\\'a\\v{s} Sk\\'ala, Vitalii Stetsovych","cross_cats":["cond-mat.supr-con"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-12-31T12:07:56Z","title":"Step-edge assisted large scale FeSe monolayer growth on epitaxial Bi2Se3 thin films"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.13280","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":"sha256:3d417925a0e8d88611e3bd172029778d09b0f37a7235fef314c1555c78d9bb0f","target":"record","created_at":"2026-07-05T01:29:48Z","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":"bbc3ad2370d0a9ccbca38cee315adcbdaad9743d478dbf2631aac9439c3d48fd","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-12-31T12:07:56Z","title_canon_sha256":"d3fb43e67f5871c5c760b9aef3f5cee02252dbc40a0699269bbe1d9e6bc64757"},"schema_version":"1.0","source":{"id":"1912.13280","kind":"arxiv","version":1}},"canonical_sha256":"6df085719914ca7d6260cf0e9c37dd6e4cc96680b32c5f1bf637be4b903c39d6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6df085719914ca7d6260cf0e9c37dd6e4cc96680b32c5f1bf637be4b903c39d6","first_computed_at":"2026-07-05T01:29:48.272654Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:29:48.272654Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aC2hTEJynf3d1768hWejiY74GOms1TvyuFMxqJsFm+7Dd9yE9tD7r2oPY5oTwv8OXsyyonVPJMPlR5ulTxDSCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T01:29:48.273101Z","signed_message":"canonical_sha256_bytes"},"source_id":"1912.13280","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3d417925a0e8d88611e3bd172029778d09b0f37a7235fef314c1555c78d9bb0f","sha256:20396e91082013c1b5d68ea809083189f957dd5814eee97f9bb6b91ed9764abd"],"state_sha256":"89d4c71ea6b0fcd4e22387c7cb85e98d71a5786af692c747feca4dbdc047c054"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uVfcaw2aAHJqDhOpNMzm5O4ANGshr10u3V3K0k1fHusTYYhJbnuWllXPeiVRxjLAZt1Oi7kD9Z8tZNEwTxGcAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-26T06:38:15.212179Z","bundle_sha256":"4ec9a77b6ee8a73c8cecc54acee9af6d835c29526c22a0592b0769a9b517c3ca"}}