{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:3JEESMG2CZ24SMZFFJVBXKIB2T","short_pith_number":"pith:3JEESMG2","canonical_record":{"source":{"id":"2306.15139","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-06-27T01:46:10Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"732a8926cd928c9014a1cb3cd2cfd2c7b51851519684750ed8c283fba0f845bb","abstract_canon_sha256":"a85f781d6c83a069374139339712b1d56b081cf701dc3e5b8c9834aaceef1c02"},"schema_version":"1.0"},"canonical_sha256":"da484930da1675c933252a6a1ba901d4e6bd26ae47bbab0a2766dc2be982b09b","source":{"kind":"arxiv","id":"2306.15139","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2306.15139","created_at":"2026-07-05T06:24:54Z"},{"alias_kind":"arxiv_version","alias_value":"2306.15139v1","created_at":"2026-07-05T06:24:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2306.15139","created_at":"2026-07-05T06:24:54Z"},{"alias_kind":"pith_short_12","alias_value":"3JEESMG2CZ24","created_at":"2026-07-05T06:24:54Z"},{"alias_kind":"pith_short_16","alias_value":"3JEESMG2CZ24SMZF","created_at":"2026-07-05T06:24:54Z"},{"alias_kind":"pith_short_8","alias_value":"3JEESMG2","created_at":"2026-07-05T06:24:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:3JEESMG2CZ24SMZFFJVBXKIB2T","target":"record","payload":{"canonical_record":{"source":{"id":"2306.15139","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-06-27T01:46:10Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"732a8926cd928c9014a1cb3cd2cfd2c7b51851519684750ed8c283fba0f845bb","abstract_canon_sha256":"a85f781d6c83a069374139339712b1d56b081cf701dc3e5b8c9834aaceef1c02"},"schema_version":"1.0"},"canonical_sha256":"da484930da1675c933252a6a1ba901d4e6bd26ae47bbab0a2766dc2be982b09b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:24:54.746525Z","signature_b64":"cgo6GkvTlkc2TGJnw+4Lmk1ULaJA3FgDdUDXA+vE8p/IpGLDwpRK7so058Mdva/9rhJZCeKLSgFa8sZCgquWAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"da484930da1675c933252a6a1ba901d4e6bd26ae47bbab0a2766dc2be982b09b","last_reissued_at":"2026-07-05T06:24:54.746030Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:24:54.746030Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2306.15139","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":"2026-07-05T06:24:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"t0NtWog8uEP8qulCozdNnp9L458h4FLw2yp5nl8u9bQq3NWUmRLqeVF4TKkQKH4LXFR7/2ys4w98lKAg006IBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T07:36:50.869339Z"},"content_sha256":"2fb331a0f05d46667d54bd4a4827f19886c559676b8ed54ecae29b33834aed85","schema_version":"1.0","event_id":"sha256:2fb331a0f05d46667d54bd4a4827f19886c559676b8ed54ecae29b33834aed85"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:3JEESMG2CZ24SMZFFJVBXKIB2T","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Non-invasive digital etching of van der Waals semiconductors","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Chunchen Zhang, Emanuele Orgiu, Jian Chen Jinlan Wang, Jian Zhou, Kazuhito Tsukagoshi, Kenji Watanabe, Linwei Yu Xinran Wang Kibum Kang, Li Shi, Minseung Gyeon, Paolo Samor\\`i, Peng Wang, Songlin Li, Takashi Taniguchi, Xiaoqing Chen Tae-Soo Kim, Yi Shi","submitted_at":"2023-06-27T01:46:10Z","abstract_excerpt":"The capability to finely tailor material thickness with simultaneous atomic precision and non-invasivity would be useful for constructing quantum platforms and post-Moore microelectronics. However, it remains challenging to attain synchronized controls over tailoring selectivity and precision. Here we report a protocol that allows for non-invasive and atomically digital etching of van der Waals transition-metal dichalcogenides through selective alloying via low-temperature thermal diffusion and subsequent wet etching. The mechanism of selective alloying between sacrifice metal atoms and defect"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2306.15139","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/2306.15139/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":"2026-07-05T06:24:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"77Zpcm2vQ2e0JBYm43yFjzmKeuwexYZ85qkUx4qJZqInrcODTBL607GLkM6Pw/4ovwxj7spjFf8bIF5dnE4qAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T07:36:50.869843Z"},"content_sha256":"ecdef6c018d092ab3c0735fe444939e4186d090f1fb1aaa9f2236fd0d637754d","schema_version":"1.0","event_id":"sha256:ecdef6c018d092ab3c0735fe444939e4186d090f1fb1aaa9f2236fd0d637754d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3JEESMG2CZ24SMZFFJVBXKIB2T/bundle.json","state_url":"https://pith.science/pith/3JEESMG2CZ24SMZFFJVBXKIB2T/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3JEESMG2CZ24SMZFFJVBXKIB2T/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":"2026-08-22T07:36:50Z","links":{"resolver":"https://pith.science/pith/3JEESMG2CZ24SMZFFJVBXKIB2T","bundle":"https://pith.science/pith/3JEESMG2CZ24SMZFFJVBXKIB2T/bundle.json","state":"https://pith.science/pith/3JEESMG2CZ24SMZFFJVBXKIB2T/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3JEESMG2CZ24SMZFFJVBXKIB2T/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:3JEESMG2CZ24SMZFFJVBXKIB2T","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":"a85f781d6c83a069374139339712b1d56b081cf701dc3e5b8c9834aaceef1c02","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-06-27T01:46:10Z","title_canon_sha256":"732a8926cd928c9014a1cb3cd2cfd2c7b51851519684750ed8c283fba0f845bb"},"schema_version":"1.0","source":{"id":"2306.15139","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2306.15139","created_at":"2026-07-05T06:24:54Z"},{"alias_kind":"arxiv_version","alias_value":"2306.15139v1","created_at":"2026-07-05T06:24:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2306.15139","created_at":"2026-07-05T06:24:54Z"},{"alias_kind":"pith_short_12","alias_value":"3JEESMG2CZ24","created_at":"2026-07-05T06:24:54Z"},{"alias_kind":"pith_short_16","alias_value":"3JEESMG2CZ24SMZF","created_at":"2026-07-05T06:24:54Z"},{"alias_kind":"pith_short_8","alias_value":"3JEESMG2","created_at":"2026-07-05T06:24:54Z"}],"graph_snapshots":[{"event_id":"sha256:ecdef6c018d092ab3c0735fe444939e4186d090f1fb1aaa9f2236fd0d637754d","target":"graph","created_at":"2026-07-05T06:24:54Z","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/2306.15139/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The capability to finely tailor material thickness with simultaneous atomic precision and non-invasivity would be useful for constructing quantum platforms and post-Moore microelectronics. However, it remains challenging to attain synchronized controls over tailoring selectivity and precision. Here we report a protocol that allows for non-invasive and atomically digital etching of van der Waals transition-metal dichalcogenides through selective alloying via low-temperature thermal diffusion and subsequent wet etching. The mechanism of selective alloying between sacrifice metal atoms and defect","authors_text":"Chunchen Zhang, Emanuele Orgiu, Jian Chen Jinlan Wang, Jian Zhou, Kazuhito Tsukagoshi, Kenji Watanabe, Linwei Yu Xinran Wang Kibum Kang, Li Shi, Minseung Gyeon, Paolo Samor\\`i, Peng Wang, Songlin Li, Takashi Taniguchi, Xiaoqing Chen Tae-Soo Kim, Yi Shi","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-06-27T01:46:10Z","title":"Non-invasive digital etching of van der Waals semiconductors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2306.15139","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":"sha256:2fb331a0f05d46667d54bd4a4827f19886c559676b8ed54ecae29b33834aed85","target":"record","created_at":"2026-07-05T06:24:54Z","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":"a85f781d6c83a069374139339712b1d56b081cf701dc3e5b8c9834aaceef1c02","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-06-27T01:46:10Z","title_canon_sha256":"732a8926cd928c9014a1cb3cd2cfd2c7b51851519684750ed8c283fba0f845bb"},"schema_version":"1.0","source":{"id":"2306.15139","kind":"arxiv","version":1}},"canonical_sha256":"da484930da1675c933252a6a1ba901d4e6bd26ae47bbab0a2766dc2be982b09b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"da484930da1675c933252a6a1ba901d4e6bd26ae47bbab0a2766dc2be982b09b","first_computed_at":"2026-07-05T06:24:54.746030Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:24:54.746030Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cgo6GkvTlkc2TGJnw+4Lmk1ULaJA3FgDdUDXA+vE8p/IpGLDwpRK7so058Mdva/9rhJZCeKLSgFa8sZCgquWAg==","signature_status":"signed_v1","signed_at":"2026-07-05T06:24:54.746525Z","signed_message":"canonical_sha256_bytes"},"source_id":"2306.15139","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2fb331a0f05d46667d54bd4a4827f19886c559676b8ed54ecae29b33834aed85","sha256:ecdef6c018d092ab3c0735fe444939e4186d090f1fb1aaa9f2236fd0d637754d"],"state_sha256":"1a7b350009f88cac0a2ce7cee9e52e5508ad66cee9a5bdeba781113efb7261f4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ga4V9/h93mCuzg7BI8oEp3/e3OIIVREhHpIKevrXHrgmQAf2bk7XRWfnahcJReU5NPrbFwUgBa6dwpDl8NZaDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-22T07:36:50.874040Z","bundle_sha256":"d4e05e02066a3c482791838610d6d560047806f5d6a7cf1c93ca9ef54092dfb4"}}