{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:YM7ZF75KJ4EBURERA7GXO2NQUB","short_pith_number":"pith:YM7ZF75K","canonical_record":{"source":{"id":"1502.01239","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-02-04T15:46:18Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"4a7ea6a1a28918630367dadff41f8cf15f9418b5fa70083e480600e1499e09ad","abstract_canon_sha256":"89cceda4513504a4fe3b8d9bb11e47eeb2501681724dc65f900a3d938f21fb69"},"schema_version":"1.0"},"canonical_sha256":"c33f92ffaa4f081a449107cd7769b0a06a1427d7f8d78d62e8ea601c30f7c3b5","source":{"kind":"arxiv","id":"1502.01239","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.01239","created_at":"2026-05-18T02:27:57Z"},{"alias_kind":"arxiv_version","alias_value":"1502.01239v1","created_at":"2026-05-18T02:27:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.01239","created_at":"2026-05-18T02:27:57Z"},{"alias_kind":"pith_short_12","alias_value":"YM7ZF75KJ4EB","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_16","alias_value":"YM7ZF75KJ4EBURER","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_8","alias_value":"YM7ZF75K","created_at":"2026-05-18T12:29:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:YM7ZF75KJ4EBURERA7GXO2NQUB","target":"record","payload":{"canonical_record":{"source":{"id":"1502.01239","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-02-04T15:46:18Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"4a7ea6a1a28918630367dadff41f8cf15f9418b5fa70083e480600e1499e09ad","abstract_canon_sha256":"89cceda4513504a4fe3b8d9bb11e47eeb2501681724dc65f900a3d938f21fb69"},"schema_version":"1.0"},"canonical_sha256":"c33f92ffaa4f081a449107cd7769b0a06a1427d7f8d78d62e8ea601c30f7c3b5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:27:57.683855Z","signature_b64":"O9+DMrVY792vgsL8/AL+6GZH0QrqD/Jf3uE7qL75u21Djy+oMNPmYTO5pHUuCu8WLeZh0ueEtYrl1Z7jLjwMCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c33f92ffaa4f081a449107cd7769b0a06a1427d7f8d78d62e8ea601c30f7c3b5","last_reissued_at":"2026-05-18T02:27:57.683424Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:27:57.683424Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1502.01239","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":"2026-05-18T02:27:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Dv/BnytD84a3U3QRV/DQJh03KYQi+yzLGf9f9ewpP07t3ctM2HVgSEeWwX2IMu8RL8c67n/K2dkfdBt9K4cuAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T23:55:24.301626Z"},"content_sha256":"1e67e44a11ca1382a0cef3e353dac7c629998396ea3060a4e6fc44c6e45cabb8","schema_version":"1.0","event_id":"sha256:1e67e44a11ca1382a0cef3e353dac7c629998396ea3060a4e6fc44c6e45cabb8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:YM7ZF75KJ4EBURERA7GXO2NQUB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Pathway between Bernal and Rhombohedral Stacked Graphene Layers with Scanning Tunneling Microscopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"D. Qi, J.K. Schoelz, L. Bellaiche, M.L. Ackerman, P.M. Thibado, P. Xu, S. Barraza-Lopez, S.D. Barber, T.B. Bothwell, Y. Yang","submitted_at":"2015-02-04T15:46:18Z","abstract_excerpt":"Horizontal shifts in the top layer of highly oriented pyrolytic graphite, induced by a scanning tunneling microscope (STM) tip, are presented. Excellent agreement is found between STM images and those simulated using density functional theory. First-principle calculations identify that the low-energy barrier direction of the top layer displacement is toward a structure where none of the carbon pz orbitals overlap, while the high-energy barrier direction is toward AA stacking. Each directional shift yields a real-space surface charge density similar to graphene; however the low-energy barrier d"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.01239","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":"2026-05-18T02:27:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ccvI7yxCiOD18krBH6+kKD6n/H3sECA2W2hLBTD9/Ac9whEzDnFzKjQAGjF1usJNpbLPOUkRzn/JhAnwtjwgAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T23:55:24.302352Z"},"content_sha256":"f90d92742e57c9a843f3f191102bf69eda0e7b5374836f7bcdff20d2fa85603b","schema_version":"1.0","event_id":"sha256:f90d92742e57c9a843f3f191102bf69eda0e7b5374836f7bcdff20d2fa85603b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YM7ZF75KJ4EBURERA7GXO2NQUB/bundle.json","state_url":"https://pith.science/pith/YM7ZF75KJ4EBURERA7GXO2NQUB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YM7ZF75KJ4EBURERA7GXO2NQUB/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":"2026-05-29T23:55:24Z","links":{"resolver":"https://pith.science/pith/YM7ZF75KJ4EBURERA7GXO2NQUB","bundle":"https://pith.science/pith/YM7ZF75KJ4EBURERA7GXO2NQUB/bundle.json","state":"https://pith.science/pith/YM7ZF75KJ4EBURERA7GXO2NQUB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YM7ZF75KJ4EBURERA7GXO2NQUB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:YM7ZF75KJ4EBURERA7GXO2NQUB","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":"89cceda4513504a4fe3b8d9bb11e47eeb2501681724dc65f900a3d938f21fb69","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-02-04T15:46:18Z","title_canon_sha256":"4a7ea6a1a28918630367dadff41f8cf15f9418b5fa70083e480600e1499e09ad"},"schema_version":"1.0","source":{"id":"1502.01239","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.01239","created_at":"2026-05-18T02:27:57Z"},{"alias_kind":"arxiv_version","alias_value":"1502.01239v1","created_at":"2026-05-18T02:27:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.01239","created_at":"2026-05-18T02:27:57Z"},{"alias_kind":"pith_short_12","alias_value":"YM7ZF75KJ4EB","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_16","alias_value":"YM7ZF75KJ4EBURER","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_8","alias_value":"YM7ZF75K","created_at":"2026-05-18T12:29:50Z"}],"graph_snapshots":[{"event_id":"sha256:f90d92742e57c9a843f3f191102bf69eda0e7b5374836f7bcdff20d2fa85603b","target":"graph","created_at":"2026-05-18T02:27:57Z","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":"Horizontal shifts in the top layer of highly oriented pyrolytic graphite, induced by a scanning tunneling microscope (STM) tip, are presented. Excellent agreement is found between STM images and those simulated using density functional theory. First-principle calculations identify that the low-energy barrier direction of the top layer displacement is toward a structure where none of the carbon pz orbitals overlap, while the high-energy barrier direction is toward AA stacking. Each directional shift yields a real-space surface charge density similar to graphene; however the low-energy barrier d","authors_text":"D. Qi, J.K. Schoelz, L. Bellaiche, M.L. Ackerman, P.M. Thibado, P. Xu, S. Barraza-Lopez, S.D. Barber, T.B. Bothwell, Y. Yang","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-02-04T15:46:18Z","title":"A Pathway between Bernal and Rhombohedral Stacked Graphene Layers with Scanning Tunneling Microscopy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.01239","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":"sha256:1e67e44a11ca1382a0cef3e353dac7c629998396ea3060a4e6fc44c6e45cabb8","target":"record","created_at":"2026-05-18T02:27:57Z","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":"89cceda4513504a4fe3b8d9bb11e47eeb2501681724dc65f900a3d938f21fb69","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-02-04T15:46:18Z","title_canon_sha256":"4a7ea6a1a28918630367dadff41f8cf15f9418b5fa70083e480600e1499e09ad"},"schema_version":"1.0","source":{"id":"1502.01239","kind":"arxiv","version":1}},"canonical_sha256":"c33f92ffaa4f081a449107cd7769b0a06a1427d7f8d78d62e8ea601c30f7c3b5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c33f92ffaa4f081a449107cd7769b0a06a1427d7f8d78d62e8ea601c30f7c3b5","first_computed_at":"2026-05-18T02:27:57.683424Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:27:57.683424Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"O9+DMrVY792vgsL8/AL+6GZH0QrqD/Jf3uE7qL75u21Djy+oMNPmYTO5pHUuCu8WLeZh0ueEtYrl1Z7jLjwMCA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:27:57.683855Z","signed_message":"canonical_sha256_bytes"},"source_id":"1502.01239","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1e67e44a11ca1382a0cef3e353dac7c629998396ea3060a4e6fc44c6e45cabb8","sha256:f90d92742e57c9a843f3f191102bf69eda0e7b5374836f7bcdff20d2fa85603b"],"state_sha256":"b6586a2efa15788fc07513238da0bc3655d5b66191df7165cd6cff180455b9e0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TZYIugZsjRLjIAu2cSjkr4tzcKYxps8FxgN84EqusrJBzF3XAKRgD67dXYQRbGHYU8H8yNsww6+ULftic+esCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T23:55:24.306218Z","bundle_sha256":"8bf782119be9c0157a6ae937974c3e38c674135ab74ff2286e396f376624dc93"}}