{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:YTR5LX34A7VN6GKCY6LF53JOSF","short_pith_number":"pith:YTR5LX34","canonical_record":{"source":{"id":"2201.02142","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-01-06T16:58:21Z","cross_cats_sorted":[],"title_canon_sha256":"56c874b07507f3a66aa08a3bd2799743a47be72071d062573bda74ad523cdd70","abstract_canon_sha256":"3b5d4298afac5b155dc0367e8740b098eb046e9a1e0767131c274199b8ff7883"},"schema_version":"1.0"},"canonical_sha256":"c4e3d5df7c07eadf1942c7965eed2e9159d6de06313334dfa8c05106763bc64b","source":{"kind":"arxiv","id":"2201.02142","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2201.02142","created_at":"2026-07-05T05:01:17Z"},{"alias_kind":"arxiv_version","alias_value":"2201.02142v2","created_at":"2026-07-05T05:01:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2201.02142","created_at":"2026-07-05T05:01:17Z"},{"alias_kind":"pith_short_12","alias_value":"YTR5LX34A7VN","created_at":"2026-07-05T05:01:17Z"},{"alias_kind":"pith_short_16","alias_value":"YTR5LX34A7VN6GKC","created_at":"2026-07-05T05:01:17Z"},{"alias_kind":"pith_short_8","alias_value":"YTR5LX34","created_at":"2026-07-05T05:01:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:YTR5LX34A7VN6GKCY6LF53JOSF","target":"record","payload":{"canonical_record":{"source":{"id":"2201.02142","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-01-06T16:58:21Z","cross_cats_sorted":[],"title_canon_sha256":"56c874b07507f3a66aa08a3bd2799743a47be72071d062573bda74ad523cdd70","abstract_canon_sha256":"3b5d4298afac5b155dc0367e8740b098eb046e9a1e0767131c274199b8ff7883"},"schema_version":"1.0"},"canonical_sha256":"c4e3d5df7c07eadf1942c7965eed2e9159d6de06313334dfa8c05106763bc64b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:01:17.960915Z","signature_b64":"W8BaBzmTbkUZ6XQPu065aXBEBz8fB6wm/Mz0ut0iFqbeYJ5b6pNK+EMZC5UIPinY1bYQNuuBR/3DBuT9VIMqAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c4e3d5df7c07eadf1942c7965eed2e9159d6de06313334dfa8c05106763bc64b","last_reissued_at":"2026-07-05T05:01:17.960323Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:01:17.960323Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2201.02142","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T05:01:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"upt+PIbo0A1e2rJUAJK5ZWhvJNoyVc1wth6kHwX3/mpnVlTh9jqkc+4dRfmUhszMSvifNY9Vwf9R4dzi6DdFAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T11:06:28.732772Z"},"content_sha256":"3cda139c362576c27b10849a872ab15f019953a36b46171fb551681c5e0bcce5","schema_version":"1.0","event_id":"sha256:3cda139c362576c27b10849a872ab15f019953a36b46171fb551681c5e0bcce5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:YTR5LX34A7VN6GKCY6LF53JOSF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Mechanisms of quasi-van der Waals epitaxy of 3D metallic nanoislands on suspended 2D materials","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Baoming Wang, Frances M. Ross, Hae Yeon Lee, Joachim Dahl Thomsen, Kate Reidy, Priyanka Periwal, Thang Pham, Vera Zarubin, Yang Yu","submitted_at":"2022-01-06T16:58:21Z","abstract_excerpt":"Understanding structure at the interface between two-dimensional (2D) materials and 3D metals is crucial for designing novel 2D/3D heterostructures and improving the performance of many 2D material devices. Here, we quantify and discuss the 2D/3D interface structure and the 3D morphology in several materials systems. We first deposit facetted Au nanoislands on graphene and transition metal dichalcogenides, using measurements of the equilibrium island shape to determine values for the 2D/Au interface energies and examining the role of surface reconstructions, chemical identity, and defects on t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2201.02142","kind":"arxiv","version":2},"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/2201.02142/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":"2026-07-05T05:01:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ozJuV3PKb+vf5xdaJP1pEU2KneYXJrKamKWGPgqwMn5LoFl98cqd3N2/vftw4hWooPSENC8WIe2N0LAT7GciBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T11:06:28.733128Z"},"content_sha256":"8590100d4e1fee752d7025440e64d5d3900f95a61600aeaaf2bb3d7226afd999","schema_version":"1.0","event_id":"sha256:8590100d4e1fee752d7025440e64d5d3900f95a61600aeaaf2bb3d7226afd999"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YTR5LX34A7VN6GKCY6LF53JOSF/bundle.json","state_url":"https://pith.science/pith/YTR5LX34A7VN6GKCY6LF53JOSF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YTR5LX34A7VN6GKCY6LF53JOSF/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":"2026-07-07T11:06:28Z","links":{"resolver":"https://pith.science/pith/YTR5LX34A7VN6GKCY6LF53JOSF","bundle":"https://pith.science/pith/YTR5LX34A7VN6GKCY6LF53JOSF/bundle.json","state":"https://pith.science/pith/YTR5LX34A7VN6GKCY6LF53JOSF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YTR5LX34A7VN6GKCY6LF53JOSF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:YTR5LX34A7VN6GKCY6LF53JOSF","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":"3b5d4298afac5b155dc0367e8740b098eb046e9a1e0767131c274199b8ff7883","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-01-06T16:58:21Z","title_canon_sha256":"56c874b07507f3a66aa08a3bd2799743a47be72071d062573bda74ad523cdd70"},"schema_version":"1.0","source":{"id":"2201.02142","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2201.02142","created_at":"2026-07-05T05:01:17Z"},{"alias_kind":"arxiv_version","alias_value":"2201.02142v2","created_at":"2026-07-05T05:01:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2201.02142","created_at":"2026-07-05T05:01:17Z"},{"alias_kind":"pith_short_12","alias_value":"YTR5LX34A7VN","created_at":"2026-07-05T05:01:17Z"},{"alias_kind":"pith_short_16","alias_value":"YTR5LX34A7VN6GKC","created_at":"2026-07-05T05:01:17Z"},{"alias_kind":"pith_short_8","alias_value":"YTR5LX34","created_at":"2026-07-05T05:01:17Z"}],"graph_snapshots":[{"event_id":"sha256:8590100d4e1fee752d7025440e64d5d3900f95a61600aeaaf2bb3d7226afd999","target":"graph","created_at":"2026-07-05T05:01:17Z","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/2201.02142/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Understanding structure at the interface between two-dimensional (2D) materials and 3D metals is crucial for designing novel 2D/3D heterostructures and improving the performance of many 2D material devices. Here, we quantify and discuss the 2D/3D interface structure and the 3D morphology in several materials systems. We first deposit facetted Au nanoislands on graphene and transition metal dichalcogenides, using measurements of the equilibrium island shape to determine values for the 2D/Au interface energies and examining the role of surface reconstructions, chemical identity, and defects on t","authors_text":"Baoming Wang, Frances M. Ross, Hae Yeon Lee, Joachim Dahl Thomsen, Kate Reidy, Priyanka Periwal, Thang Pham, Vera Zarubin, Yang Yu","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-01-06T16:58:21Z","title":"Mechanisms of quasi-van der Waals epitaxy of 3D metallic nanoislands on suspended 2D materials"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2201.02142","kind":"arxiv","version":2},"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":"sha256:3cda139c362576c27b10849a872ab15f019953a36b46171fb551681c5e0bcce5","target":"record","created_at":"2026-07-05T05:01:17Z","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":"3b5d4298afac5b155dc0367e8740b098eb046e9a1e0767131c274199b8ff7883","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-01-06T16:58:21Z","title_canon_sha256":"56c874b07507f3a66aa08a3bd2799743a47be72071d062573bda74ad523cdd70"},"schema_version":"1.0","source":{"id":"2201.02142","kind":"arxiv","version":2}},"canonical_sha256":"c4e3d5df7c07eadf1942c7965eed2e9159d6de06313334dfa8c05106763bc64b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c4e3d5df7c07eadf1942c7965eed2e9159d6de06313334dfa8c05106763bc64b","first_computed_at":"2026-07-05T05:01:17.960323Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:01:17.960323Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"W8BaBzmTbkUZ6XQPu065aXBEBz8fB6wm/Mz0ut0iFqbeYJ5b6pNK+EMZC5UIPinY1bYQNuuBR/3DBuT9VIMqAg==","signature_status":"signed_v1","signed_at":"2026-07-05T05:01:17.960915Z","signed_message":"canonical_sha256_bytes"},"source_id":"2201.02142","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3cda139c362576c27b10849a872ab15f019953a36b46171fb551681c5e0bcce5","sha256:8590100d4e1fee752d7025440e64d5d3900f95a61600aeaaf2bb3d7226afd999"],"state_sha256":"67b9bba15aebb51001ff9a9e549837208b0627b2aa56826e7e04bc4afdfb1c64"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"waUYnk1o72FLRplkpDiGrHkNbnXaBjNfRGCIBBKPsOlNK8z6s4juOZSZbet9d5rosCRDi7RMty6rYW9ksjMbCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T11:06:28.735011Z","bundle_sha256":"cef9fa387d7c693ea245d0581581e76ee3874852bea70d360afacd9a696aaec9"}}