{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:UUXHYJH3WGFRSOJXHKY4G3OODZ","short_pith_number":"pith:UUXHYJH3","canonical_record":{"source":{"id":"2507.22677","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-07-30T13:37:38Z","cross_cats_sorted":[],"title_canon_sha256":"300713471c8f6a196e8b4f648bdbfe6e071b611d40d6fc84ab0c9fcde914ab5b","abstract_canon_sha256":"7710155240a1fcf313e08f6f56765ce9d79102f133afa39ff95fb0176536deeb"},"schema_version":"1.0"},"canonical_sha256":"a52e7c24fbb18b1939373ab1c36dce1e43abd73e7e0bf9fff61eef7630136ccb","source":{"kind":"arxiv","id":"2507.22677","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.22677","created_at":"2026-07-05T11:45:46Z"},{"alias_kind":"arxiv_version","alias_value":"2507.22677v1","created_at":"2026-07-05T11:45:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.22677","created_at":"2026-07-05T11:45:46Z"},{"alias_kind":"pith_short_12","alias_value":"UUXHYJH3WGFR","created_at":"2026-07-05T11:45:46Z"},{"alias_kind":"pith_short_16","alias_value":"UUXHYJH3WGFRSOJX","created_at":"2026-07-05T11:45:46Z"},{"alias_kind":"pith_short_8","alias_value":"UUXHYJH3","created_at":"2026-07-05T11:45:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:UUXHYJH3WGFRSOJXHKY4G3OODZ","target":"record","payload":{"canonical_record":{"source":{"id":"2507.22677","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-07-30T13:37:38Z","cross_cats_sorted":[],"title_canon_sha256":"300713471c8f6a196e8b4f648bdbfe6e071b611d40d6fc84ab0c9fcde914ab5b","abstract_canon_sha256":"7710155240a1fcf313e08f6f56765ce9d79102f133afa39ff95fb0176536deeb"},"schema_version":"1.0"},"canonical_sha256":"a52e7c24fbb18b1939373ab1c36dce1e43abd73e7e0bf9fff61eef7630136ccb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:45:46.819673Z","signature_b64":"qJ725kaA2iNuJUykmqyNWGrjqjaatEbl4OZe7sDc92tjPPC13K/x8aCKNvC1QAK8vFBWw79I8mKJeyY0MTTIAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a52e7c24fbb18b1939373ab1c36dce1e43abd73e7e0bf9fff61eef7630136ccb","last_reissued_at":"2026-07-05T11:45:46.819169Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:45:46.819169Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2507.22677","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":"2026-07-05T11:45:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZuNPoyyb94c2U7ALt7McLoc4fdgabmE0FJCMqlToWKyrRoEQPok+/25vVwfEHvhZcfOX2/VBDSasRmiLTEIgCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T18:58:08.397394Z"},"content_sha256":"7f29179378332e088b49990e7a9a10f34e20ea575ec6c852c4f06768ef692124","schema_version":"1.0","event_id":"sha256:7f29179378332e088b49990e7a9a10f34e20ea575ec6c852c4f06768ef692124"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:UUXHYJH3WGFRSOJXHKY4G3OODZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Wafer-scale Programmed Assembly of One-atom-thick Crystals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Chan-cuk Hwang, Cheol-Joo Kim, Daesung Jung, Dongseok Oh, Edmund Han, Eunsook Lee, Ju-Hyun Jung, Jun-Ho Park, Ki-Jeong Kim, Min-Yeong Choi, Pinshane Y. Huang, Seong-Jun Yang, Shinyoung Choi, Siwoo Noh","submitted_at":"2025-07-30T13:37:38Z","abstract_excerpt":"Crystalline films offer various physical properties based on the modulation of their thicknesses and atomic structures. The layer-by-layer assembly of atomically thin crystals provides powerful means to arbitrarily design films at the atomic-level, which are unattainable with existing growth technologies. However, atomically-clean assembly of the materials with high scalability and reproducibility remains challenging. We report programmed crystal assembly (PCA) of graphene and monolayer hexagonal boron nitride (ML hBN), assisted by van der Waals interactions, to form wafer-scale films of prist"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.22677","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/2507.22677/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":"2026-07-05T11:45:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W4aATHUiKQGjwsULRfaDHu3iqII70Fc52Xi3g7PbILniI4pfT22y6Idf8EfwZIcDnlAGX+DPPkH7m8FT6KVHCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T18:58:08.398335Z"},"content_sha256":"3275d61bd7f733e470a3bd8ba2c81b9c63856516f572564175fb86ca2a4c2b2f","schema_version":"1.0","event_id":"sha256:3275d61bd7f733e470a3bd8ba2c81b9c63856516f572564175fb86ca2a4c2b2f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UUXHYJH3WGFRSOJXHKY4G3OODZ/bundle.json","state_url":"https://pith.science/pith/UUXHYJH3WGFRSOJXHKY4G3OODZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UUXHYJH3WGFRSOJXHKY4G3OODZ/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":"2026-08-15T18:58:08Z","links":{"resolver":"https://pith.science/pith/UUXHYJH3WGFRSOJXHKY4G3OODZ","bundle":"https://pith.science/pith/UUXHYJH3WGFRSOJXHKY4G3OODZ/bundle.json","state":"https://pith.science/pith/UUXHYJH3WGFRSOJXHKY4G3OODZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UUXHYJH3WGFRSOJXHKY4G3OODZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:UUXHYJH3WGFRSOJXHKY4G3OODZ","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":"7710155240a1fcf313e08f6f56765ce9d79102f133afa39ff95fb0176536deeb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-07-30T13:37:38Z","title_canon_sha256":"300713471c8f6a196e8b4f648bdbfe6e071b611d40d6fc84ab0c9fcde914ab5b"},"schema_version":"1.0","source":{"id":"2507.22677","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.22677","created_at":"2026-07-05T11:45:46Z"},{"alias_kind":"arxiv_version","alias_value":"2507.22677v1","created_at":"2026-07-05T11:45:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.22677","created_at":"2026-07-05T11:45:46Z"},{"alias_kind":"pith_short_12","alias_value":"UUXHYJH3WGFR","created_at":"2026-07-05T11:45:46Z"},{"alias_kind":"pith_short_16","alias_value":"UUXHYJH3WGFRSOJX","created_at":"2026-07-05T11:45:46Z"},{"alias_kind":"pith_short_8","alias_value":"UUXHYJH3","created_at":"2026-07-05T11:45:46Z"}],"graph_snapshots":[{"event_id":"sha256:3275d61bd7f733e470a3bd8ba2c81b9c63856516f572564175fb86ca2a4c2b2f","target":"graph","created_at":"2026-07-05T11:45:46Z","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/2507.22677/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Crystalline films offer various physical properties based on the modulation of their thicknesses and atomic structures. The layer-by-layer assembly of atomically thin crystals provides powerful means to arbitrarily design films at the atomic-level, which are unattainable with existing growth technologies. However, atomically-clean assembly of the materials with high scalability and reproducibility remains challenging. We report programmed crystal assembly (PCA) of graphene and monolayer hexagonal boron nitride (ML hBN), assisted by van der Waals interactions, to form wafer-scale films of prist","authors_text":"Chan-cuk Hwang, Cheol-Joo Kim, Daesung Jung, Dongseok Oh, Edmund Han, Eunsook Lee, Ju-Hyun Jung, Jun-Ho Park, Ki-Jeong Kim, Min-Yeong Choi, Pinshane Y. Huang, Seong-Jun Yang, Shinyoung Choi, Siwoo Noh","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-07-30T13:37:38Z","title":"Wafer-scale Programmed Assembly of One-atom-thick Crystals"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.22677","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":"sha256:7f29179378332e088b49990e7a9a10f34e20ea575ec6c852c4f06768ef692124","target":"record","created_at":"2026-07-05T11:45:46Z","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":"7710155240a1fcf313e08f6f56765ce9d79102f133afa39ff95fb0176536deeb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-07-30T13:37:38Z","title_canon_sha256":"300713471c8f6a196e8b4f648bdbfe6e071b611d40d6fc84ab0c9fcde914ab5b"},"schema_version":"1.0","source":{"id":"2507.22677","kind":"arxiv","version":1}},"canonical_sha256":"a52e7c24fbb18b1939373ab1c36dce1e43abd73e7e0bf9fff61eef7630136ccb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a52e7c24fbb18b1939373ab1c36dce1e43abd73e7e0bf9fff61eef7630136ccb","first_computed_at":"2026-07-05T11:45:46.819169Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:45:46.819169Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qJ725kaA2iNuJUykmqyNWGrjqjaatEbl4OZe7sDc92tjPPC13K/x8aCKNvC1QAK8vFBWw79I8mKJeyY0MTTIAA==","signature_status":"signed_v1","signed_at":"2026-07-05T11:45:46.819673Z","signed_message":"canonical_sha256_bytes"},"source_id":"2507.22677","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7f29179378332e088b49990e7a9a10f34e20ea575ec6c852c4f06768ef692124","sha256:3275d61bd7f733e470a3bd8ba2c81b9c63856516f572564175fb86ca2a4c2b2f"],"state_sha256":"e448bebbf4b1c35ed136003804163c3552d23840955e3b608c4a80a38c3d6fa5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qu/15VM7QP2psrfRg0FTX52ktv5Gy1ihrdfUFSOP8Kv34wmQ6TL9yWL0XPK+ZKF0AxVVJtd0cO7wNJTVa1hyCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T18:58:08.405415Z","bundle_sha256":"77a9b6169cbda564440b6c01c7f4547c82aecbadcf33fc41e3c9acf1170f14bd"}}