{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:3KYBVCXVZ6BTN6VZTJ2QYMBDHD","short_pith_number":"pith:3KYBVCXV","canonical_record":{"source":{"id":"1306.3042","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2013-06-13T07:36:09Z","cross_cats_sorted":[],"title_canon_sha256":"f0c1c977a0093efc46bf2d5028548071c6a00524719ebee7a6bf84a035ae7260","abstract_canon_sha256":"5c96fa72429f59fc767905a6140f71c92d4119b1dd9b44500e8eec447970a08e"},"schema_version":"1.0"},"canonical_sha256":"dab01a8af5cf8336fab99a750c302338db9d579365df92a57d10c75b012daa2e","source":{"kind":"arxiv","id":"1306.3042","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.3042","created_at":"2026-05-18T03:20:59Z"},{"alias_kind":"arxiv_version","alias_value":"1306.3042v1","created_at":"2026-05-18T03:20:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.3042","created_at":"2026-05-18T03:20:59Z"},{"alias_kind":"pith_short_12","alias_value":"3KYBVCXVZ6BT","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"3KYBVCXVZ6BTN6VZ","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"3KYBVCXV","created_at":"2026-05-18T12:27:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:3KYBVCXVZ6BTN6VZTJ2QYMBDHD","target":"record","payload":{"canonical_record":{"source":{"id":"1306.3042","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2013-06-13T07:36:09Z","cross_cats_sorted":[],"title_canon_sha256":"f0c1c977a0093efc46bf2d5028548071c6a00524719ebee7a6bf84a035ae7260","abstract_canon_sha256":"5c96fa72429f59fc767905a6140f71c92d4119b1dd9b44500e8eec447970a08e"},"schema_version":"1.0"},"canonical_sha256":"dab01a8af5cf8336fab99a750c302338db9d579365df92a57d10c75b012daa2e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:20:59.760232Z","signature_b64":"eP3KRyIUJm26lMllCbrv8n1xb2r6vVuF5uld8vo7Z7S9VqEHToMCQnBMTIqgDyzTBk2emdThcST7XHn6qS7WBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dab01a8af5cf8336fab99a750c302338db9d579365df92a57d10c75b012daa2e","last_reissued_at":"2026-05-18T03:20:59.759612Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:20:59.759612Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1306.3042","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":"2026-05-18T03:20:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PxS78TR9W7I4VvioVlRpINpz2R0XSNkh5phydnmFrfY9n9R8xloPen0GZ3YqVZUPK1KGojcxrQzjNRrwUVjDCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T06:34:48.834350Z"},"content_sha256":"adf5bd44696c9bf9b8d917cc0d525e9d785ea58aa07dcfe2ffa914f113a212a1","schema_version":"1.0","event_id":"sha256:adf5bd44696c9bf9b8d917cc0d525e9d785ea58aa07dcfe2ffa914f113a212a1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:3KYBVCXVZ6BTN6VZTJ2QYMBDHD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Scanning Tunneling Microscopy in the superconductor LaSb2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"H. Suderow, J.A. Galvis, P.C. Canfield, S.L. Bud'ko, S. Vieira","submitted_at":"2013-06-13T07:36:09Z","abstract_excerpt":"We present very low temperature (0.15 K) scanning tunneling microscopy and spectroscopy experiments in the layered superconductor LaSb$_2$. We obtain topographic microscopy images with surfaces showing hexagonal and square atomic size patterns, and observe in the tunneling conductance a superconducting gap. We find well defined quasiparticle peaks located at a bias voltage comparable to the weak coupling s-wave BCS expected gap value (0.17 meV). The amount of states at the Fermi level is however large and the curves are significantly broadened. We find T$_c$ of 1.2 K by following the tunneling"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.3042","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":"2026-05-18T03:20:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eG36E8m+VPTJ8EdZKC+pQ2ESjbHK2lZ+7Cm95qBV9wxKfXDsT6IXmAmuwOdj/G9pCyHg0s41LBnNQWUTJclFDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T06:34:48.835114Z"},"content_sha256":"4224c4491dce6abc221bcfd834ad0acc1d79d1dfdbd194f3b6fdf49bee459c11","schema_version":"1.0","event_id":"sha256:4224c4491dce6abc221bcfd834ad0acc1d79d1dfdbd194f3b6fdf49bee459c11"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3KYBVCXVZ6BTN6VZTJ2QYMBDHD/bundle.json","state_url":"https://pith.science/pith/3KYBVCXVZ6BTN6VZTJ2QYMBDHD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3KYBVCXVZ6BTN6VZTJ2QYMBDHD/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":"2026-05-30T06:34:48Z","links":{"resolver":"https://pith.science/pith/3KYBVCXVZ6BTN6VZTJ2QYMBDHD","bundle":"https://pith.science/pith/3KYBVCXVZ6BTN6VZTJ2QYMBDHD/bundle.json","state":"https://pith.science/pith/3KYBVCXVZ6BTN6VZTJ2QYMBDHD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3KYBVCXVZ6BTN6VZTJ2QYMBDHD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:3KYBVCXVZ6BTN6VZTJ2QYMBDHD","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":"5c96fa72429f59fc767905a6140f71c92d4119b1dd9b44500e8eec447970a08e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2013-06-13T07:36:09Z","title_canon_sha256":"f0c1c977a0093efc46bf2d5028548071c6a00524719ebee7a6bf84a035ae7260"},"schema_version":"1.0","source":{"id":"1306.3042","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.3042","created_at":"2026-05-18T03:20:59Z"},{"alias_kind":"arxiv_version","alias_value":"1306.3042v1","created_at":"2026-05-18T03:20:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.3042","created_at":"2026-05-18T03:20:59Z"},{"alias_kind":"pith_short_12","alias_value":"3KYBVCXVZ6BT","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"3KYBVCXVZ6BTN6VZ","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"3KYBVCXV","created_at":"2026-05-18T12:27:32Z"}],"graph_snapshots":[{"event_id":"sha256:4224c4491dce6abc221bcfd834ad0acc1d79d1dfdbd194f3b6fdf49bee459c11","target":"graph","created_at":"2026-05-18T03:20:59Z","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 present very low temperature (0.15 K) scanning tunneling microscopy and spectroscopy experiments in the layered superconductor LaSb$_2$. We obtain topographic microscopy images with surfaces showing hexagonal and square atomic size patterns, and observe in the tunneling conductance a superconducting gap. We find well defined quasiparticle peaks located at a bias voltage comparable to the weak coupling s-wave BCS expected gap value (0.17 meV). The amount of states at the Fermi level is however large and the curves are significantly broadened. We find T$_c$ of 1.2 K by following the tunneling","authors_text":"H. Suderow, J.A. Galvis, P.C. Canfield, S.L. Bud'ko, S. Vieira","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2013-06-13T07:36:09Z","title":"Scanning Tunneling Microscopy in the superconductor LaSb2"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.3042","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:adf5bd44696c9bf9b8d917cc0d525e9d785ea58aa07dcfe2ffa914f113a212a1","target":"record","created_at":"2026-05-18T03:20:59Z","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":"5c96fa72429f59fc767905a6140f71c92d4119b1dd9b44500e8eec447970a08e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2013-06-13T07:36:09Z","title_canon_sha256":"f0c1c977a0093efc46bf2d5028548071c6a00524719ebee7a6bf84a035ae7260"},"schema_version":"1.0","source":{"id":"1306.3042","kind":"arxiv","version":1}},"canonical_sha256":"dab01a8af5cf8336fab99a750c302338db9d579365df92a57d10c75b012daa2e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dab01a8af5cf8336fab99a750c302338db9d579365df92a57d10c75b012daa2e","first_computed_at":"2026-05-18T03:20:59.759612Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:20:59.759612Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"eP3KRyIUJm26lMllCbrv8n1xb2r6vVuF5uld8vo7Z7S9VqEHToMCQnBMTIqgDyzTBk2emdThcST7XHn6qS7WBA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:20:59.760232Z","signed_message":"canonical_sha256_bytes"},"source_id":"1306.3042","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:adf5bd44696c9bf9b8d917cc0d525e9d785ea58aa07dcfe2ffa914f113a212a1","sha256:4224c4491dce6abc221bcfd834ad0acc1d79d1dfdbd194f3b6fdf49bee459c11"],"state_sha256":"5384f4d93df0bf430a68ee7e38324fcc21d1a936ca4e15e16d34603e5ffd68d5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jbmhO/BGdS3AhPMCFHtsvgnJFl2g1iMPlU5ub1AcP2P9IpTZPnnSY6lfNBNg/7vrl64b1qK7eEw3jB4vLqsiDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T06:34:48.838929Z","bundle_sha256":"cc9ad95cc0a8b4cff1d1019cb42ee8df96b1cd93c75e72cd27cbf3ecb663a67e"}}