{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:7LK2HOYS2DEEJDECTYREHBHNNF","short_pith_number":"pith:7LK2HOYS","canonical_record":{"source":{"id":"1710.07062","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2017-10-19T09:57:12Z","cross_cats_sorted":[],"title_canon_sha256":"d00c59957def1cd365ef05cea0ba02f8672ef7d5b14151976b0398324e0cc4a8","abstract_canon_sha256":"4f327404a935efc716ba99a4b5ba3a049df78997bd1f24040f6aed86d59ef46b"},"schema_version":"1.0"},"canonical_sha256":"fad5a3bb12d0c8448c829e224384ed696f9a16d9b5f20dd9d91f324c111dce32","source":{"kind":"arxiv","id":"1710.07062","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.07062","created_at":"2026-05-18T00:19:26Z"},{"alias_kind":"arxiv_version","alias_value":"1710.07062v2","created_at":"2026-05-18T00:19:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.07062","created_at":"2026-05-18T00:19:26Z"},{"alias_kind":"pith_short_12","alias_value":"7LK2HOYS2DEE","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_16","alias_value":"7LK2HOYS2DEEJDEC","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_8","alias_value":"7LK2HOYS","created_at":"2026-05-18T12:31:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:7LK2HOYS2DEEJDECTYREHBHNNF","target":"record","payload":{"canonical_record":{"source":{"id":"1710.07062","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2017-10-19T09:57:12Z","cross_cats_sorted":[],"title_canon_sha256":"d00c59957def1cd365ef05cea0ba02f8672ef7d5b14151976b0398324e0cc4a8","abstract_canon_sha256":"4f327404a935efc716ba99a4b5ba3a049df78997bd1f24040f6aed86d59ef46b"},"schema_version":"1.0"},"canonical_sha256":"fad5a3bb12d0c8448c829e224384ed696f9a16d9b5f20dd9d91f324c111dce32","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:19:26.105968Z","signature_b64":"iVnHfoIGUhEhfVMhdjYT1ZMqxoNIQ7yAZMGie0kHHdBuIddw/mXcr7d6kGup0ZobjxKVsTDUxvAnElzBWai8Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fad5a3bb12d0c8448c829e224384ed696f9a16d9b5f20dd9d91f324c111dce32","last_reissued_at":"2026-05-18T00:19:26.105429Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:19:26.105429Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1710.07062","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":"2026-05-18T00:19:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ajtIgRIrvz3rluXlI+ZR7gPBiXsaPyxpWijmyUJcmflCm8QeCF5Az0cyFf4i6Ufn8A4fH1lug0uUqaaoeCkcBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T21:28:38.515608Z"},"content_sha256":"f1c147f83dc74621da6946747661c06db59459d46131c72bba649b704ecb5f35","schema_version":"1.0","event_id":"sha256:f1c147f83dc74621da6946747661c06db59459d46131c72bba649b704ecb5f35"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:7LK2HOYS2DEEJDECTYREHBHNNF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Electronic and vibrational properties of V$_2$C-based MXenes: from experiments to first-principles modeling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.chem-ph","authors_text":"Aur\\'elie Champagne, Beno\\^it Hackens, Jean-Christophe Charlier, Lu Shi, Thierry Ouisse","submitted_at":"2017-10-19T09:57:12Z","abstract_excerpt":"In the present work, the electronic and vibrational properties of both pristine V$_2$C and fully-terminated V$_2$CT$_2$ (where T = F, O, OH) 2D monolayers are investigated using density functional theory. Firstly, the atomic structures of V$_2$C-based MXene phases are optimized and their respective dynamical stabilities are discussed. Secondly, electronic band structures are computed indicating that V$_2$C is metallic as well as all the corresponding functionalized systems. Thirdly, the vibrational properties (phonon frequencies and spectra) of V$_2$C-based MXenes are computed thanks to densit"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.07062","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":""},"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":"2026-05-18T00:19:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yvr2WfZu7aOsLhzaON1RPDnNHMk+AeEWLkwYRp5kHfNAhaltxpR67odnuRVVhS2Ca7hpnno9RhkWkFutR13nAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T21:28:38.515952Z"},"content_sha256":"4669a98f821bca18e1d74cefe384a2694e5109f45bdf1401bc9d648ae00b5279","schema_version":"1.0","event_id":"sha256:4669a98f821bca18e1d74cefe384a2694e5109f45bdf1401bc9d648ae00b5279"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7LK2HOYS2DEEJDECTYREHBHNNF/bundle.json","state_url":"https://pith.science/pith/7LK2HOYS2DEEJDECTYREHBHNNF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7LK2HOYS2DEEJDECTYREHBHNNF/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":"2026-06-21T21:28:38Z","links":{"resolver":"https://pith.science/pith/7LK2HOYS2DEEJDECTYREHBHNNF","bundle":"https://pith.science/pith/7LK2HOYS2DEEJDECTYREHBHNNF/bundle.json","state":"https://pith.science/pith/7LK2HOYS2DEEJDECTYREHBHNNF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7LK2HOYS2DEEJDECTYREHBHNNF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:7LK2HOYS2DEEJDECTYREHBHNNF","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":"4f327404a935efc716ba99a4b5ba3a049df78997bd1f24040f6aed86d59ef46b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2017-10-19T09:57:12Z","title_canon_sha256":"d00c59957def1cd365ef05cea0ba02f8672ef7d5b14151976b0398324e0cc4a8"},"schema_version":"1.0","source":{"id":"1710.07062","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.07062","created_at":"2026-05-18T00:19:26Z"},{"alias_kind":"arxiv_version","alias_value":"1710.07062v2","created_at":"2026-05-18T00:19:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.07062","created_at":"2026-05-18T00:19:26Z"},{"alias_kind":"pith_short_12","alias_value":"7LK2HOYS2DEE","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_16","alias_value":"7LK2HOYS2DEEJDEC","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_8","alias_value":"7LK2HOYS","created_at":"2026-05-18T12:31:05Z"}],"graph_snapshots":[{"event_id":"sha256:4669a98f821bca18e1d74cefe384a2694e5109f45bdf1401bc9d648ae00b5279","target":"graph","created_at":"2026-05-18T00:19:26Z","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":"In the present work, the electronic and vibrational properties of both pristine V$_2$C and fully-terminated V$_2$CT$_2$ (where T = F, O, OH) 2D monolayers are investigated using density functional theory. Firstly, the atomic structures of V$_2$C-based MXene phases are optimized and their respective dynamical stabilities are discussed. Secondly, electronic band structures are computed indicating that V$_2$C is metallic as well as all the corresponding functionalized systems. Thirdly, the vibrational properties (phonon frequencies and spectra) of V$_2$C-based MXenes are computed thanks to densit","authors_text":"Aur\\'elie Champagne, Beno\\^it Hackens, Jean-Christophe Charlier, Lu Shi, Thierry Ouisse","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2017-10-19T09:57:12Z","title":"Electronic and vibrational properties of V$_2$C-based MXenes: from experiments to first-principles modeling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.07062","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:f1c147f83dc74621da6946747661c06db59459d46131c72bba649b704ecb5f35","target":"record","created_at":"2026-05-18T00:19:26Z","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":"4f327404a935efc716ba99a4b5ba3a049df78997bd1f24040f6aed86d59ef46b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2017-10-19T09:57:12Z","title_canon_sha256":"d00c59957def1cd365ef05cea0ba02f8672ef7d5b14151976b0398324e0cc4a8"},"schema_version":"1.0","source":{"id":"1710.07062","kind":"arxiv","version":2}},"canonical_sha256":"fad5a3bb12d0c8448c829e224384ed696f9a16d9b5f20dd9d91f324c111dce32","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fad5a3bb12d0c8448c829e224384ed696f9a16d9b5f20dd9d91f324c111dce32","first_computed_at":"2026-05-18T00:19:26.105429Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:19:26.105429Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iVnHfoIGUhEhfVMhdjYT1ZMqxoNIQ7yAZMGie0kHHdBuIddw/mXcr7d6kGup0ZobjxKVsTDUxvAnElzBWai8Dg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:19:26.105968Z","signed_message":"canonical_sha256_bytes"},"source_id":"1710.07062","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f1c147f83dc74621da6946747661c06db59459d46131c72bba649b704ecb5f35","sha256:4669a98f821bca18e1d74cefe384a2694e5109f45bdf1401bc9d648ae00b5279"],"state_sha256":"c6ad9db6b02295162cce7cb9710d8ee2d45139a36f1b2e71877b15232641803d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P1Qc+V1DmsEQcFrHiLdoqXqyAaW9kafKUXpF7yIVutGA0l8IP1F4w02LXrB1aF0MfPlZ0a/KGBZNTu1S2O5cBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-21T21:28:38.517903Z","bundle_sha256":"64c4b5d7c0b6be9c571864be317735b3075a18482189b3055c0c3b992ebf4a0d"}}