{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:5HW5ZEEZ42NENBB5G2LALHEMR5","short_pith_number":"pith:5HW5ZEEZ","canonical_record":{"source":{"id":"1503.02219","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-03-07T22:26:42Z","cross_cats_sorted":[],"title_canon_sha256":"0f0c3c5985a8ee3acc0ff7c53772518ce8644d04e49b4b59ee40b9b3591a07de","abstract_canon_sha256":"243a2db3fd3d5304a038847c20867a8787ce39f96d21e511dd3a1b174516e280"},"schema_version":"1.0"},"canonical_sha256":"e9eddc9099e69a46843d3696059c8c8f62d8800d197d595920a219d60555f419","source":{"kind":"arxiv","id":"1503.02219","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.02219","created_at":"2026-05-18T02:25:25Z"},{"alias_kind":"arxiv_version","alias_value":"1503.02219v1","created_at":"2026-05-18T02:25:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.02219","created_at":"2026-05-18T02:25:25Z"},{"alias_kind":"pith_short_12","alias_value":"5HW5ZEEZ42NE","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_16","alias_value":"5HW5ZEEZ42NENBB5","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_8","alias_value":"5HW5ZEEZ","created_at":"2026-05-18T12:29:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:5HW5ZEEZ42NENBB5G2LALHEMR5","target":"record","payload":{"canonical_record":{"source":{"id":"1503.02219","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-03-07T22:26:42Z","cross_cats_sorted":[],"title_canon_sha256":"0f0c3c5985a8ee3acc0ff7c53772518ce8644d04e49b4b59ee40b9b3591a07de","abstract_canon_sha256":"243a2db3fd3d5304a038847c20867a8787ce39f96d21e511dd3a1b174516e280"},"schema_version":"1.0"},"canonical_sha256":"e9eddc9099e69a46843d3696059c8c8f62d8800d197d595920a219d60555f419","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:25:25.579204Z","signature_b64":"2MovSrOHH4hRCHP+HPjNrOMZzp6LtYkQdRm//OVz32ZXK/8vdOAD57IG5JA+6Lqb3wa/fAMq8+YX/OV7R8jcBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e9eddc9099e69a46843d3696059c8c8f62d8800d197d595920a219d60555f419","last_reissued_at":"2026-05-18T02:25:25.578788Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:25:25.578788Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1503.02219","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":"2026-05-18T02:25:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"V0X10f/UX7yF1C+lB8XByGrhd0mK+URumT3hZd2p4P3jRzCPlVS2//1fA0KpmkH/5LftmEnzr2unvThubZ8lAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T09:23:05.070250Z"},"content_sha256":"e35f1ae82f35bc307f7212ab6c23aae39062ef4ef89694d676ef1ab6f54ab7ef","schema_version":"1.0","event_id":"sha256:e35f1ae82f35bc307f7212ab6c23aae39062ef4ef89694d676ef1ab6f54ab7ef"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:5HW5ZEEZ42NENBB5G2LALHEMR5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Covalent pathways in engineering h-BN supported graphene","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Bin Ouyang, Jun Song","submitted_at":"2015-03-07T22:26:42Z","abstract_excerpt":"Cross-planar di-vacancies (CPDVs) within stacked graphene hexagonal boron nitride (h-BN) heterostructures provide stabilized covalent links to bridge adjacent graphene and h-BN sheets. It was shown that the CPDVs serve as focal points for cross-planar atom transport between graphene and h-BN, and the chemical nature of interlayer links along with associated cross-planar migration pathways at these defects can be predictively manipulated through modulation of the chemical environment and charge engineering, to achieve consistent B or N doping and simultaneous healing of graphene. The present st"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.02219","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":"2026-05-18T02:25:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tcOEWnqafN/tC48SKq5mA1Hs/kdqh7iaCLQcd9M71mn2eE18Smzcix7ofJkC4vFmMs1f6IY2ogA3L1D3Gfw5DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T09:23:05.070824Z"},"content_sha256":"60ef36a1980d534210d3f40813f7af62e036969023af8d5bb668cd9ebb1b5c9f","schema_version":"1.0","event_id":"sha256:60ef36a1980d534210d3f40813f7af62e036969023af8d5bb668cd9ebb1b5c9f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5HW5ZEEZ42NENBB5G2LALHEMR5/bundle.json","state_url":"https://pith.science/pith/5HW5ZEEZ42NENBB5G2LALHEMR5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5HW5ZEEZ42NENBB5G2LALHEMR5/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":"2026-06-07T09:23:05Z","links":{"resolver":"https://pith.science/pith/5HW5ZEEZ42NENBB5G2LALHEMR5","bundle":"https://pith.science/pith/5HW5ZEEZ42NENBB5G2LALHEMR5/bundle.json","state":"https://pith.science/pith/5HW5ZEEZ42NENBB5G2LALHEMR5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5HW5ZEEZ42NENBB5G2LALHEMR5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:5HW5ZEEZ42NENBB5G2LALHEMR5","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":"243a2db3fd3d5304a038847c20867a8787ce39f96d21e511dd3a1b174516e280","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-03-07T22:26:42Z","title_canon_sha256":"0f0c3c5985a8ee3acc0ff7c53772518ce8644d04e49b4b59ee40b9b3591a07de"},"schema_version":"1.0","source":{"id":"1503.02219","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.02219","created_at":"2026-05-18T02:25:25Z"},{"alias_kind":"arxiv_version","alias_value":"1503.02219v1","created_at":"2026-05-18T02:25:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.02219","created_at":"2026-05-18T02:25:25Z"},{"alias_kind":"pith_short_12","alias_value":"5HW5ZEEZ42NE","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_16","alias_value":"5HW5ZEEZ42NENBB5","created_at":"2026-05-18T12:29:05Z"},{"alias_kind":"pith_short_8","alias_value":"5HW5ZEEZ","created_at":"2026-05-18T12:29:05Z"}],"graph_snapshots":[{"event_id":"sha256:60ef36a1980d534210d3f40813f7af62e036969023af8d5bb668cd9ebb1b5c9f","target":"graph","created_at":"2026-05-18T02:25:25Z","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":"Cross-planar di-vacancies (CPDVs) within stacked graphene hexagonal boron nitride (h-BN) heterostructures provide stabilized covalent links to bridge adjacent graphene and h-BN sheets. It was shown that the CPDVs serve as focal points for cross-planar atom transport between graphene and h-BN, and the chemical nature of interlayer links along with associated cross-planar migration pathways at these defects can be predictively manipulated through modulation of the chemical environment and charge engineering, to achieve consistent B or N doping and simultaneous healing of graphene. The present st","authors_text":"Bin Ouyang, Jun Song","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-03-07T22:26:42Z","title":"Covalent pathways in engineering h-BN supported graphene"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.02219","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:e35f1ae82f35bc307f7212ab6c23aae39062ef4ef89694d676ef1ab6f54ab7ef","target":"record","created_at":"2026-05-18T02:25:25Z","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":"243a2db3fd3d5304a038847c20867a8787ce39f96d21e511dd3a1b174516e280","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-03-07T22:26:42Z","title_canon_sha256":"0f0c3c5985a8ee3acc0ff7c53772518ce8644d04e49b4b59ee40b9b3591a07de"},"schema_version":"1.0","source":{"id":"1503.02219","kind":"arxiv","version":1}},"canonical_sha256":"e9eddc9099e69a46843d3696059c8c8f62d8800d197d595920a219d60555f419","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e9eddc9099e69a46843d3696059c8c8f62d8800d197d595920a219d60555f419","first_computed_at":"2026-05-18T02:25:25.578788Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:25:25.578788Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2MovSrOHH4hRCHP+HPjNrOMZzp6LtYkQdRm//OVz32ZXK/8vdOAD57IG5JA+6Lqb3wa/fAMq8+YX/OV7R8jcBg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:25:25.579204Z","signed_message":"canonical_sha256_bytes"},"source_id":"1503.02219","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e35f1ae82f35bc307f7212ab6c23aae39062ef4ef89694d676ef1ab6f54ab7ef","sha256:60ef36a1980d534210d3f40813f7af62e036969023af8d5bb668cd9ebb1b5c9f"],"state_sha256":"cf68e307df7450393ff17888cdd553836f62bae9d717dc645034080ed8cccc00"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+68krUiA81YDbstx6RbiKAHwhQWtIKBnNIg0jrwQ9rM4jsFESFeqpdhy1pnGuFgyaMSEWjizEA8dD+FxgKIzBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T09:23:05.074010Z","bundle_sha256":"f2e24a1fb3b034d88a944a310ad5e46851affb78c1967690d068c18474400bda"}}