{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:B666CNNH64B54CTKVZQZ4YSZUE","short_pith_number":"pith:B666CNNH","canonical_record":{"source":{"id":"1310.1373","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-10-04T18:54:24Z","cross_cats_sorted":[],"title_canon_sha256":"e7f6bca431673159c75ebad57f6c1e5cb7fba9286613314b936cf4d7d854fd18","abstract_canon_sha256":"8d4697d66cb1f93269b11f0a6bf7962bca5b0b031e152876c1ebc4fca915d8e6"},"schema_version":"1.0"},"canonical_sha256":"0fbde135a7f703de0a6aae619e6259a11c098d5ccd0c295dd763d1763dfb910d","source":{"kind":"arxiv","id":"1310.1373","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.1373","created_at":"2026-05-18T03:08:06Z"},{"alias_kind":"arxiv_version","alias_value":"1310.1373v1","created_at":"2026-05-18T03:08:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.1373","created_at":"2026-05-18T03:08:06Z"},{"alias_kind":"pith_short_12","alias_value":"B666CNNH64B5","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_16","alias_value":"B666CNNH64B54CTK","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_8","alias_value":"B666CNNH","created_at":"2026-05-18T12:27:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:B666CNNH64B54CTKVZQZ4YSZUE","target":"record","payload":{"canonical_record":{"source":{"id":"1310.1373","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-10-04T18:54:24Z","cross_cats_sorted":[],"title_canon_sha256":"e7f6bca431673159c75ebad57f6c1e5cb7fba9286613314b936cf4d7d854fd18","abstract_canon_sha256":"8d4697d66cb1f93269b11f0a6bf7962bca5b0b031e152876c1ebc4fca915d8e6"},"schema_version":"1.0"},"canonical_sha256":"0fbde135a7f703de0a6aae619e6259a11c098d5ccd0c295dd763d1763dfb910d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:08:06.559382Z","signature_b64":"+aWECQiVvhViDl5JMzf1ZaxNLoaAbw1+d806VFrwyAGK4nr5fz5n8Nu3WqQ6VnoomrNmIv1CkvFTH+8/JpIPAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0fbde135a7f703de0a6aae619e6259a11c098d5ccd0c295dd763d1763dfb910d","last_reissued_at":"2026-05-18T03:08:06.558877Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:08:06.558877Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1310.1373","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":"2026-05-18T03:08:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HWR8QpOFoOIUm80GU8Wv9ul23DyBRLH4p6SsIqSgQiJG5nWUGVMB14o7HG0kLpqECYO7XTERSx9ln8pzxpREBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T00:02:22.311812Z"},"content_sha256":"1877fad2bf625fb108c38e9c0ede2300797bdb26160a4ba9b4a0c83f5f75b82d","schema_version":"1.0","event_id":"sha256:1877fad2bf625fb108c38e9c0ede2300797bdb26160a4ba9b4a0c83f5f75b82d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:B666CNNH64B54CTKVZQZ4YSZUE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Real Space Imaging of the Verwey Transition at the (100) Surface of Magnetite","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Alpha T. N'Diaye, Andreas K. Schmid, Gareth S. Parkinson, Gong Chen, Juan de la Figuera, Martin Setvin, Michael Schmid, Tijiang Liu, Ulrike Diebold, Zbynek Novotny, Zhiqiang Mao","submitted_at":"2013-10-04T18:54:24Z","abstract_excerpt":"Effects of the Verwey transition on the (100) surface of magnetite were studied using scanning tunelling microscopy and spin polarized low-energy electron microsccopy. On cooling through the transition temperature Tv, the initially flat surface undergoes a roof-like distortion with a periodicity of ~0.5 um due to ferroelastic twinning within monoclinic domains of the low-temperature monoclinic structure. The monoclinic c axis orients in the surface plane, along the [001]c directions. At the atomic scale, the charge-ordered sqrt2xsqrt2R45 reconstruction of the (100) surface is unperturbed by th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.1373","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":"2026-05-18T03:08:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TARzlopAqQXuzA1rbGOeTxUVWLpghop/A2NmQCql31d5OAe1SEO2yislUGwQ6caotZMEMT07izH3ijNeZJPxDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T00:02:22.312406Z"},"content_sha256":"f17fcc3e72c428d1e67183924757bfdd3ff9abf118ed003111b61a48ce8fe76e","schema_version":"1.0","event_id":"sha256:f17fcc3e72c428d1e67183924757bfdd3ff9abf118ed003111b61a48ce8fe76e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/B666CNNH64B54CTKVZQZ4YSZUE/bundle.json","state_url":"https://pith.science/pith/B666CNNH64B54CTKVZQZ4YSZUE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/B666CNNH64B54CTKVZQZ4YSZUE/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":"2026-05-20T00:02:22Z","links":{"resolver":"https://pith.science/pith/B666CNNH64B54CTKVZQZ4YSZUE","bundle":"https://pith.science/pith/B666CNNH64B54CTKVZQZ4YSZUE/bundle.json","state":"https://pith.science/pith/B666CNNH64B54CTKVZQZ4YSZUE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/B666CNNH64B54CTKVZQZ4YSZUE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:B666CNNH64B54CTKVZQZ4YSZUE","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":"8d4697d66cb1f93269b11f0a6bf7962bca5b0b031e152876c1ebc4fca915d8e6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-10-04T18:54:24Z","title_canon_sha256":"e7f6bca431673159c75ebad57f6c1e5cb7fba9286613314b936cf4d7d854fd18"},"schema_version":"1.0","source":{"id":"1310.1373","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.1373","created_at":"2026-05-18T03:08:06Z"},{"alias_kind":"arxiv_version","alias_value":"1310.1373v1","created_at":"2026-05-18T03:08:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.1373","created_at":"2026-05-18T03:08:06Z"},{"alias_kind":"pith_short_12","alias_value":"B666CNNH64B5","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_16","alias_value":"B666CNNH64B54CTK","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_8","alias_value":"B666CNNH","created_at":"2026-05-18T12:27:38Z"}],"graph_snapshots":[{"event_id":"sha256:f17fcc3e72c428d1e67183924757bfdd3ff9abf118ed003111b61a48ce8fe76e","target":"graph","created_at":"2026-05-18T03:08:06Z","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":"Effects of the Verwey transition on the (100) surface of magnetite were studied using scanning tunelling microscopy and spin polarized low-energy electron microsccopy. On cooling through the transition temperature Tv, the initially flat surface undergoes a roof-like distortion with a periodicity of ~0.5 um due to ferroelastic twinning within monoclinic domains of the low-temperature monoclinic structure. The monoclinic c axis orients in the surface plane, along the [001]c directions. At the atomic scale, the charge-ordered sqrt2xsqrt2R45 reconstruction of the (100) surface is unperturbed by th","authors_text":"Alpha T. N'Diaye, Andreas K. Schmid, Gareth S. Parkinson, Gong Chen, Juan de la Figuera, Martin Setvin, Michael Schmid, Tijiang Liu, Ulrike Diebold, Zbynek Novotny, Zhiqiang Mao","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-10-04T18:54:24Z","title":"Real Space Imaging of the Verwey Transition at the (100) Surface of Magnetite"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.1373","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":"sha256:1877fad2bf625fb108c38e9c0ede2300797bdb26160a4ba9b4a0c83f5f75b82d","target":"record","created_at":"2026-05-18T03:08:06Z","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":"8d4697d66cb1f93269b11f0a6bf7962bca5b0b031e152876c1ebc4fca915d8e6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-10-04T18:54:24Z","title_canon_sha256":"e7f6bca431673159c75ebad57f6c1e5cb7fba9286613314b936cf4d7d854fd18"},"schema_version":"1.0","source":{"id":"1310.1373","kind":"arxiv","version":1}},"canonical_sha256":"0fbde135a7f703de0a6aae619e6259a11c098d5ccd0c295dd763d1763dfb910d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0fbde135a7f703de0a6aae619e6259a11c098d5ccd0c295dd763d1763dfb910d","first_computed_at":"2026-05-18T03:08:06.558877Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:08:06.558877Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+aWECQiVvhViDl5JMzf1ZaxNLoaAbw1+d806VFrwyAGK4nr5fz5n8Nu3WqQ6VnoomrNmIv1CkvFTH+8/JpIPAw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:08:06.559382Z","signed_message":"canonical_sha256_bytes"},"source_id":"1310.1373","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1877fad2bf625fb108c38e9c0ede2300797bdb26160a4ba9b4a0c83f5f75b82d","sha256:f17fcc3e72c428d1e67183924757bfdd3ff9abf118ed003111b61a48ce8fe76e"],"state_sha256":"6358b1c586c72b13b2c7be4a1b67c393c41357289545212bbe68f632dd84b268"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uR173kNLJwAWO+EHkJUEkuVm0xDqxPpPIJaLuY+Objabj64lYOjYh4HOu8DJM/UXK+OJId9nVW7dI5dPgsA2Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T00:02:22.315846Z","bundle_sha256":"dacc289af1663896a7c49acf1c2b9fa47374241b857c5eb454b4532b8f207323"}}