{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:VZ3H5COOTYWBEOUOIIWYLW7GWV","short_pith_number":"pith:VZ3H5COO","canonical_record":{"source":{"id":"2106.06366","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2021-06-11T13:08:10Z","cross_cats_sorted":[],"title_canon_sha256":"8784376b719ad2798be96699cccde97aa4e4f2fe7ec1ce9b9b89889aeb600e73","abstract_canon_sha256":"fcdafae600928f16dd734995c1257fb6eb10b5576ee71846edccf42e0c415267"},"schema_version":"1.0"},"canonical_sha256":"ae767e89ce9e2c123a8e422d85dbe6b543fb7fbc56a268abbf88f1872f4dc0a8","source":{"kind":"arxiv","id":"2106.06366","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2106.06366","created_at":"2026-07-05T02:48:29Z"},{"alias_kind":"arxiv_version","alias_value":"2106.06366v1","created_at":"2026-07-05T02:48:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2106.06366","created_at":"2026-07-05T02:48:29Z"},{"alias_kind":"pith_short_12","alias_value":"VZ3H5COOTYWB","created_at":"2026-07-05T02:48:29Z"},{"alias_kind":"pith_short_16","alias_value":"VZ3H5COOTYWBEOUO","created_at":"2026-07-05T02:48:29Z"},{"alias_kind":"pith_short_8","alias_value":"VZ3H5COO","created_at":"2026-07-05T02:48:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:VZ3H5COOTYWBEOUOIIWYLW7GWV","target":"record","payload":{"canonical_record":{"source":{"id":"2106.06366","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2021-06-11T13:08:10Z","cross_cats_sorted":[],"title_canon_sha256":"8784376b719ad2798be96699cccde97aa4e4f2fe7ec1ce9b9b89889aeb600e73","abstract_canon_sha256":"fcdafae600928f16dd734995c1257fb6eb10b5576ee71846edccf42e0c415267"},"schema_version":"1.0"},"canonical_sha256":"ae767e89ce9e2c123a8e422d85dbe6b543fb7fbc56a268abbf88f1872f4dc0a8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:48:29.111778Z","signature_b64":"0QLFURDbgS/MkJis2BikSjz+6XZckGTpSkI0+ZhAn/MakXTYyZ6PdHwirVTL8j2ggQN5pIC4JLRGFrtyo00MCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ae767e89ce9e2c123a8e422d85dbe6b543fb7fbc56a268abbf88f1872f4dc0a8","last_reissued_at":"2026-07-05T02:48:29.111235Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:48:29.111235Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2106.06366","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":"2026-07-05T02:48:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Dgu3tlTIJWF4S4VrfpMg5hbZkk0jxXm3ZfMfXydhRhXU14PKL7+WRZ/Kk4RVaKu/hYc9wXsbb21hdB/9uGzRAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T16:16:00.285175Z"},"content_sha256":"0660d76b4c0792781b08c2d20deaef542b642bc96b080a698eb74dba06c081d9","schema_version":"1.0","event_id":"sha256:0660d76b4c0792781b08c2d20deaef542b642bc96b080a698eb74dba06c081d9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:VZ3H5COOTYWBEOUOIIWYLW7GWV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Screw dislocation-carbon interaction in BCC tungsten: an ab initio study","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Emmanuel Clouet, Fran\\c{c}ois Willaime, Guillaume Hachet, Lisa Ventelon","submitted_at":"2021-06-11T13:08:10Z","abstract_excerpt":"The interaction between carbon and screw dislocations in tungsten is investigated using ab initio calculations. The presence of carbon atoms in the vicinity of the dislocation induces a reconstruction, with the dislocation relaxing to a configuration, the hard core structure, which is unstable in pure tungsten. The reconstruction corresponds to a strong binding of carbon in the prismatic sites created by the dislocation which is perfect for high concentrations of carbon segregated on the dislocation line. However, the reconstruction is only partial for lower atomic fractions, with the dislocat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2106.06366","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/2106.06366/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":"2026-07-05T02:48:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YSMunY5o0ZE/IGJCa5nUEK/qtJxO37KuwMufZEiRx9Pb3SA7X5FZh//DSyy5+WOu9Ig48FQVMLFYDdweKYM1Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T16:16:00.285695Z"},"content_sha256":"abf689ea03f6679c4c0949d17ab70076e696fe29c4dddd12b63fc304b9882fe5","schema_version":"1.0","event_id":"sha256:abf689ea03f6679c4c0949d17ab70076e696fe29c4dddd12b63fc304b9882fe5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VZ3H5COOTYWBEOUOIIWYLW7GWV/bundle.json","state_url":"https://pith.science/pith/VZ3H5COOTYWBEOUOIIWYLW7GWV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VZ3H5COOTYWBEOUOIIWYLW7GWV/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":"2026-08-15T16:16:00Z","links":{"resolver":"https://pith.science/pith/VZ3H5COOTYWBEOUOIIWYLW7GWV","bundle":"https://pith.science/pith/VZ3H5COOTYWBEOUOIIWYLW7GWV/bundle.json","state":"https://pith.science/pith/VZ3H5COOTYWBEOUOIIWYLW7GWV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VZ3H5COOTYWBEOUOIIWYLW7GWV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:VZ3H5COOTYWBEOUOIIWYLW7GWV","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":"fcdafae600928f16dd734995c1257fb6eb10b5576ee71846edccf42e0c415267","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2021-06-11T13:08:10Z","title_canon_sha256":"8784376b719ad2798be96699cccde97aa4e4f2fe7ec1ce9b9b89889aeb600e73"},"schema_version":"1.0","source":{"id":"2106.06366","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2106.06366","created_at":"2026-07-05T02:48:29Z"},{"alias_kind":"arxiv_version","alias_value":"2106.06366v1","created_at":"2026-07-05T02:48:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2106.06366","created_at":"2026-07-05T02:48:29Z"},{"alias_kind":"pith_short_12","alias_value":"VZ3H5COOTYWB","created_at":"2026-07-05T02:48:29Z"},{"alias_kind":"pith_short_16","alias_value":"VZ3H5COOTYWBEOUO","created_at":"2026-07-05T02:48:29Z"},{"alias_kind":"pith_short_8","alias_value":"VZ3H5COO","created_at":"2026-07-05T02:48:29Z"}],"graph_snapshots":[{"event_id":"sha256:abf689ea03f6679c4c0949d17ab70076e696fe29c4dddd12b63fc304b9882fe5","target":"graph","created_at":"2026-07-05T02:48:29Z","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/2106.06366/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The interaction between carbon and screw dislocations in tungsten is investigated using ab initio calculations. The presence of carbon atoms in the vicinity of the dislocation induces a reconstruction, with the dislocation relaxing to a configuration, the hard core structure, which is unstable in pure tungsten. The reconstruction corresponds to a strong binding of carbon in the prismatic sites created by the dislocation which is perfect for high concentrations of carbon segregated on the dislocation line. However, the reconstruction is only partial for lower atomic fractions, with the dislocat","authors_text":"Emmanuel Clouet, Fran\\c{c}ois Willaime, Guillaume Hachet, Lisa Ventelon","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2021-06-11T13:08:10Z","title":"Screw dislocation-carbon interaction in BCC tungsten: an ab initio study"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2106.06366","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":"sha256:0660d76b4c0792781b08c2d20deaef542b642bc96b080a698eb74dba06c081d9","target":"record","created_at":"2026-07-05T02:48:29Z","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":"fcdafae600928f16dd734995c1257fb6eb10b5576ee71846edccf42e0c415267","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2021-06-11T13:08:10Z","title_canon_sha256":"8784376b719ad2798be96699cccde97aa4e4f2fe7ec1ce9b9b89889aeb600e73"},"schema_version":"1.0","source":{"id":"2106.06366","kind":"arxiv","version":1}},"canonical_sha256":"ae767e89ce9e2c123a8e422d85dbe6b543fb7fbc56a268abbf88f1872f4dc0a8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ae767e89ce9e2c123a8e422d85dbe6b543fb7fbc56a268abbf88f1872f4dc0a8","first_computed_at":"2026-07-05T02:48:29.111235Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:48:29.111235Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0QLFURDbgS/MkJis2BikSjz+6XZckGTpSkI0+ZhAn/MakXTYyZ6PdHwirVTL8j2ggQN5pIC4JLRGFrtyo00MCw==","signature_status":"signed_v1","signed_at":"2026-07-05T02:48:29.111778Z","signed_message":"canonical_sha256_bytes"},"source_id":"2106.06366","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0660d76b4c0792781b08c2d20deaef542b642bc96b080a698eb74dba06c081d9","sha256:abf689ea03f6679c4c0949d17ab70076e696fe29c4dddd12b63fc304b9882fe5"],"state_sha256":"d16df104b0a66d0683d3336236fb5fc6e9c7ba41b3c1e3988cf556f41c86b81e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xfBUCskB54YeD7XNR07zUvX+Sg5I9zaecWhbieXmyb4IkNFB39u2GWISgjAW9FPypUhvjal0jl90q82wA6FjAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T16:16:00.290008Z","bundle_sha256":"815d5415a071ec81f4003a53744d7e2cb61b79086d3e54d68f439646f21029c8"}}