{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:BCLJVMMCORMKOR3T6BIML5SUIS","short_pith_number":"pith:BCLJVMMC","canonical_record":{"source":{"id":"2302.07720","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-02-15T15:25:30Z","cross_cats_sorted":["physics.app-ph"],"title_canon_sha256":"38e463569097a2ed4ed3aae48259166a1bedf69c82304a9b0a6c893cc261e6b0","abstract_canon_sha256":"97cfda354a9813f548448cdda5a2ed739790dfaae1f9b201684771afbfb81fb6"},"schema_version":"1.0"},"canonical_sha256":"08969ab1827458a74773f050c5f65444b699f444665d47b3a69373b3195ea3d9","source":{"kind":"arxiv","id":"2302.07720","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2302.07720","created_at":"2026-07-05T05:42:05Z"},{"alias_kind":"arxiv_version","alias_value":"2302.07720v1","created_at":"2026-07-05T05:42:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.07720","created_at":"2026-07-05T05:42:05Z"},{"alias_kind":"pith_short_12","alias_value":"BCLJVMMCORMK","created_at":"2026-07-05T05:42:05Z"},{"alias_kind":"pith_short_16","alias_value":"BCLJVMMCORMKOR3T","created_at":"2026-07-05T05:42:05Z"},{"alias_kind":"pith_short_8","alias_value":"BCLJVMMC","created_at":"2026-07-05T05:42:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:BCLJVMMCORMKOR3T6BIML5SUIS","target":"record","payload":{"canonical_record":{"source":{"id":"2302.07720","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-02-15T15:25:30Z","cross_cats_sorted":["physics.app-ph"],"title_canon_sha256":"38e463569097a2ed4ed3aae48259166a1bedf69c82304a9b0a6c893cc261e6b0","abstract_canon_sha256":"97cfda354a9813f548448cdda5a2ed739790dfaae1f9b201684771afbfb81fb6"},"schema_version":"1.0"},"canonical_sha256":"08969ab1827458a74773f050c5f65444b699f444665d47b3a69373b3195ea3d9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:42:05.243797Z","signature_b64":"u9gJH48PSTTxOlWXAp+R+mFanucfukoiAlcRqo7xcwK9no3FEaqdVvsDVXl9koC9hXk2qCEBelzOFA8yScj1Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"08969ab1827458a74773f050c5f65444b699f444665d47b3a69373b3195ea3d9","last_reissued_at":"2026-07-05T05:42:05.243333Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:42:05.243333Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2302.07720","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":"2026-07-05T05:42:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZcsE2GqdkVb2zVq1IHRHE576HMYQNtfmz8KavpSOUBz2czYlRui1q7kM51JPVGjAL+8zke8bTPVnmaUz80HIAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T22:59:50.121906Z"},"content_sha256":"d5aaa84bed2e7fc29dc71ff14675981f8b24c7afd86d9ad9e63b55cd562cebd7","schema_version":"1.0","event_id":"sha256:d5aaa84bed2e7fc29dc71ff14675981f8b24c7afd86d9ad9e63b55cd562cebd7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:BCLJVMMCORMKOR3T6BIML5SUIS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Metal-bonded Atomic Layers of Transition Metal Carbides (MXenes)","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.app-ph"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Haiyang Wang, Hao Chen, Qi Zhao, Shubin Yang, Yu Shi, Yuxuan Ye, Zhiguo Du, Zongju Cheng","submitted_at":"2023-02-15T15:25:30Z","abstract_excerpt":"Although two-dimensional transition metal carbides and nitrides (MXenes) have fantastic physical and chemical properties as well as wide applications, it remains challenging to produce stable MXenes due to their rapid structural degradation. Here, unique metal-bonded atomic layers of transition metal carbides with high stabilities are produced via a simple topological reaction between chlorine-terminated MXenes and selected metals, where the metals enable to not only remove Cl terminations, but also efficiently bond with adjacent atomic MXene slabs, driven by the symmetry of MAX phases. The fi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.07720","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/2302.07720/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":"2026-07-05T05:42:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0kqXbL00l02fv2i5Lv4h9iC1TuyISauAQJfDr2WNUxSpnKijwUOIcAlHcxujh0E6vRdsBpsFBzKII1XNVi5SDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T22:59:50.122424Z"},"content_sha256":"91d495544939d0ec5c6dd791d0cdd5a7fd46f81b17bc4d3038ee2c955794817a","schema_version":"1.0","event_id":"sha256:91d495544939d0ec5c6dd791d0cdd5a7fd46f81b17bc4d3038ee2c955794817a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BCLJVMMCORMKOR3T6BIML5SUIS/bundle.json","state_url":"https://pith.science/pith/BCLJVMMCORMKOR3T6BIML5SUIS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BCLJVMMCORMKOR3T6BIML5SUIS/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":"2026-08-04T22:59:50Z","links":{"resolver":"https://pith.science/pith/BCLJVMMCORMKOR3T6BIML5SUIS","bundle":"https://pith.science/pith/BCLJVMMCORMKOR3T6BIML5SUIS/bundle.json","state":"https://pith.science/pith/BCLJVMMCORMKOR3T6BIML5SUIS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BCLJVMMCORMKOR3T6BIML5SUIS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:BCLJVMMCORMKOR3T6BIML5SUIS","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":"97cfda354a9813f548448cdda5a2ed739790dfaae1f9b201684771afbfb81fb6","cross_cats_sorted":["physics.app-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-02-15T15:25:30Z","title_canon_sha256":"38e463569097a2ed4ed3aae48259166a1bedf69c82304a9b0a6c893cc261e6b0"},"schema_version":"1.0","source":{"id":"2302.07720","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2302.07720","created_at":"2026-07-05T05:42:05Z"},{"alias_kind":"arxiv_version","alias_value":"2302.07720v1","created_at":"2026-07-05T05:42:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.07720","created_at":"2026-07-05T05:42:05Z"},{"alias_kind":"pith_short_12","alias_value":"BCLJVMMCORMK","created_at":"2026-07-05T05:42:05Z"},{"alias_kind":"pith_short_16","alias_value":"BCLJVMMCORMKOR3T","created_at":"2026-07-05T05:42:05Z"},{"alias_kind":"pith_short_8","alias_value":"BCLJVMMC","created_at":"2026-07-05T05:42:05Z"}],"graph_snapshots":[{"event_id":"sha256:91d495544939d0ec5c6dd791d0cdd5a7fd46f81b17bc4d3038ee2c955794817a","target":"graph","created_at":"2026-07-05T05:42:05Z","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/2302.07720/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Although two-dimensional transition metal carbides and nitrides (MXenes) have fantastic physical and chemical properties as well as wide applications, it remains challenging to produce stable MXenes due to their rapid structural degradation. Here, unique metal-bonded atomic layers of transition metal carbides with high stabilities are produced via a simple topological reaction between chlorine-terminated MXenes and selected metals, where the metals enable to not only remove Cl terminations, but also efficiently bond with adjacent atomic MXene slabs, driven by the symmetry of MAX phases. The fi","authors_text":"Haiyang Wang, Hao Chen, Qi Zhao, Shubin Yang, Yu Shi, Yuxuan Ye, Zhiguo Du, Zongju Cheng","cross_cats":["physics.app-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-02-15T15:25:30Z","title":"Metal-bonded Atomic Layers of Transition Metal Carbides (MXenes)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.07720","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:d5aaa84bed2e7fc29dc71ff14675981f8b24c7afd86d9ad9e63b55cd562cebd7","target":"record","created_at":"2026-07-05T05:42:05Z","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":"97cfda354a9813f548448cdda5a2ed739790dfaae1f9b201684771afbfb81fb6","cross_cats_sorted":["physics.app-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2023-02-15T15:25:30Z","title_canon_sha256":"38e463569097a2ed4ed3aae48259166a1bedf69c82304a9b0a6c893cc261e6b0"},"schema_version":"1.0","source":{"id":"2302.07720","kind":"arxiv","version":1}},"canonical_sha256":"08969ab1827458a74773f050c5f65444b699f444665d47b3a69373b3195ea3d9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"08969ab1827458a74773f050c5f65444b699f444665d47b3a69373b3195ea3d9","first_computed_at":"2026-07-05T05:42:05.243333Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:42:05.243333Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"u9gJH48PSTTxOlWXAp+R+mFanucfukoiAlcRqo7xcwK9no3FEaqdVvsDVXl9koC9hXk2qCEBelzOFA8yScj1Cg==","signature_status":"signed_v1","signed_at":"2026-07-05T05:42:05.243797Z","signed_message":"canonical_sha256_bytes"},"source_id":"2302.07720","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d5aaa84bed2e7fc29dc71ff14675981f8b24c7afd86d9ad9e63b55cd562cebd7","sha256:91d495544939d0ec5c6dd791d0cdd5a7fd46f81b17bc4d3038ee2c955794817a"],"state_sha256":"b2af14b203e311dc5b78d5157fb1a4450a2039abdb423a5eeaff7efb06100c17"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DGYZvXK6CgcTmn74qagJUi3k01Y8I3eBN236DTY1aO3VvUeQZd/5eyLlJeBqenC++Ea9N2lrNiGaYej01sasAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T22:59:50.125942Z","bundle_sha256":"5a5b447c1027161f3a7b664fbf755f089f7ef3b2f87ee803cd9a498cbb2816d9"}}