{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:A5DUL3CBADXB7QXCXEGNWAGBO7","short_pith_number":"pith:A5DUL3CB","canonical_record":{"source":{"id":"1701.08912","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-01-31T04:30:53Z","cross_cats_sorted":[],"title_canon_sha256":"99af2ccbec616a9e2ea4d0d5a68b5634871b5bbc37d578e29a6ae742b8ec92d2","abstract_canon_sha256":"f6fa4fe334a95b6010aedc23bc9123f03724e2753a0a81c2311f72d1345d9b08"},"schema_version":"1.0"},"canonical_sha256":"074745ec4100ee1fc2e2b90cdb00c177c34c051a52eeb27a1a36f0d91d5c9101","source":{"kind":"arxiv","id":"1701.08912","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.08912","created_at":"2026-05-18T00:43:55Z"},{"alias_kind":"arxiv_version","alias_value":"1701.08912v2","created_at":"2026-05-18T00:43:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.08912","created_at":"2026-05-18T00:43:55Z"},{"alias_kind":"pith_short_12","alias_value":"A5DUL3CBADXB","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_16","alias_value":"A5DUL3CBADXB7QXC","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_8","alias_value":"A5DUL3CB","created_at":"2026-05-18T12:31:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:A5DUL3CBADXB7QXCXEGNWAGBO7","target":"record","payload":{"canonical_record":{"source":{"id":"1701.08912","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-01-31T04:30:53Z","cross_cats_sorted":[],"title_canon_sha256":"99af2ccbec616a9e2ea4d0d5a68b5634871b5bbc37d578e29a6ae742b8ec92d2","abstract_canon_sha256":"f6fa4fe334a95b6010aedc23bc9123f03724e2753a0a81c2311f72d1345d9b08"},"schema_version":"1.0"},"canonical_sha256":"074745ec4100ee1fc2e2b90cdb00c177c34c051a52eeb27a1a36f0d91d5c9101","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:43:55.152695Z","signature_b64":"qAqI2KCHe8uMgMaMlBUndhSDVYClngGDi7l4hcGp90wyZTSAqxuzABNK5DX5vK65OgdCmFyl41PrhQdO1kRCBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"074745ec4100ee1fc2e2b90cdb00c177c34c051a52eeb27a1a36f0d91d5c9101","last_reissued_at":"2026-05-18T00:43:55.151982Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:43:55.151982Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1701.08912","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":"2026-05-18T00:43:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yU1nGZjz41mNtQkU8eT1/4/ohhi5l49Qjmn3sydaupmDaZgxeEtodTVeUCsV6XQ25/hLe1FX4eXbnY3fCmHeBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T11:52:19.654219Z"},"content_sha256":"2a58dbbbe69a1d0a1b53bd8f91702fa9e7d2e5b3773f2cb7b53e689a43096fde","schema_version":"1.0","event_id":"sha256:2a58dbbbe69a1d0a1b53bd8f91702fa9e7d2e5b3773f2cb7b53e689a43096fde"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:A5DUL3CBADXB7QXCXEGNWAGBO7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Electronic structure study of screw dislocation core energetics in Aluminum and core energetics informed forces in a dislocation aggregate","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Sambit Das, Vikram Gavini","submitted_at":"2017-01-31T04:30:53Z","abstract_excerpt":"We use a real-space formulation of orbital-free DFT to study the core energetics and core structure of an isolated screw dislocation in Aluminum. Using a direct energetics based approach, we estimate the core size of a perfect screw dislocation to be $\\approx$ 7 $|{\\bf b}|$, which is considerably larger than previous estimates of $1-3~|{\\bf b}|$ based on displacement fields. The perfect screw upon structural relaxation dissociates into two Shockley partials with partial separation distances of 8.2 \\AA~and 6.6 \\AA~ measured from the screw and edge component differential displacement plots, resp"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.08912","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":"2026-05-18T00:43:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MTmF9x44dj/TaRH40Fl7hKCG4qxb/2L02iavTEFzVwN83lXHsW4zqy4hjKEVEFUnju3WaHsuiI9Qgg6fsZBeAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T11:52:19.654589Z"},"content_sha256":"4c3b7fa9c33b1f511eb54b9154015c1ed6285c4aad2c55658ff406c482ed689b","schema_version":"1.0","event_id":"sha256:4c3b7fa9c33b1f511eb54b9154015c1ed6285c4aad2c55658ff406c482ed689b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/A5DUL3CBADXB7QXCXEGNWAGBO7/bundle.json","state_url":"https://pith.science/pith/A5DUL3CBADXB7QXCXEGNWAGBO7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/A5DUL3CBADXB7QXCXEGNWAGBO7/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":"2026-06-02T11:52:19Z","links":{"resolver":"https://pith.science/pith/A5DUL3CBADXB7QXCXEGNWAGBO7","bundle":"https://pith.science/pith/A5DUL3CBADXB7QXCXEGNWAGBO7/bundle.json","state":"https://pith.science/pith/A5DUL3CBADXB7QXCXEGNWAGBO7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/A5DUL3CBADXB7QXCXEGNWAGBO7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:A5DUL3CBADXB7QXCXEGNWAGBO7","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":"f6fa4fe334a95b6010aedc23bc9123f03724e2753a0a81c2311f72d1345d9b08","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-01-31T04:30:53Z","title_canon_sha256":"99af2ccbec616a9e2ea4d0d5a68b5634871b5bbc37d578e29a6ae742b8ec92d2"},"schema_version":"1.0","source":{"id":"1701.08912","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.08912","created_at":"2026-05-18T00:43:55Z"},{"alias_kind":"arxiv_version","alias_value":"1701.08912v2","created_at":"2026-05-18T00:43:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.08912","created_at":"2026-05-18T00:43:55Z"},{"alias_kind":"pith_short_12","alias_value":"A5DUL3CBADXB","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_16","alias_value":"A5DUL3CBADXB7QXC","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_8","alias_value":"A5DUL3CB","created_at":"2026-05-18T12:31:05Z"}],"graph_snapshots":[{"event_id":"sha256:4c3b7fa9c33b1f511eb54b9154015c1ed6285c4aad2c55658ff406c482ed689b","target":"graph","created_at":"2026-05-18T00:43:55Z","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":"We use a real-space formulation of orbital-free DFT to study the core energetics and core structure of an isolated screw dislocation in Aluminum. Using a direct energetics based approach, we estimate the core size of a perfect screw dislocation to be $\\approx$ 7 $|{\\bf b}|$, which is considerably larger than previous estimates of $1-3~|{\\bf b}|$ based on displacement fields. The perfect screw upon structural relaxation dissociates into two Shockley partials with partial separation distances of 8.2 \\AA~and 6.6 \\AA~ measured from the screw and edge component differential displacement plots, resp","authors_text":"Sambit Das, Vikram Gavini","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-01-31T04:30:53Z","title":"Electronic structure study of screw dislocation core energetics in Aluminum and core energetics informed forces in a dislocation aggregate"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.08912","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":"sha256:2a58dbbbe69a1d0a1b53bd8f91702fa9e7d2e5b3773f2cb7b53e689a43096fde","target":"record","created_at":"2026-05-18T00:43:55Z","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":"f6fa4fe334a95b6010aedc23bc9123f03724e2753a0a81c2311f72d1345d9b08","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-01-31T04:30:53Z","title_canon_sha256":"99af2ccbec616a9e2ea4d0d5a68b5634871b5bbc37d578e29a6ae742b8ec92d2"},"schema_version":"1.0","source":{"id":"1701.08912","kind":"arxiv","version":2}},"canonical_sha256":"074745ec4100ee1fc2e2b90cdb00c177c34c051a52eeb27a1a36f0d91d5c9101","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"074745ec4100ee1fc2e2b90cdb00c177c34c051a52eeb27a1a36f0d91d5c9101","first_computed_at":"2026-05-18T00:43:55.151982Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:43:55.151982Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qAqI2KCHe8uMgMaMlBUndhSDVYClngGDi7l4hcGp90wyZTSAqxuzABNK5DX5vK65OgdCmFyl41PrhQdO1kRCBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:43:55.152695Z","signed_message":"canonical_sha256_bytes"},"source_id":"1701.08912","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2a58dbbbe69a1d0a1b53bd8f91702fa9e7d2e5b3773f2cb7b53e689a43096fde","sha256:4c3b7fa9c33b1f511eb54b9154015c1ed6285c4aad2c55658ff406c482ed689b"],"state_sha256":"7459368fd96f19acb0c2a167ca1efff8fb6bc94e9809ec6df7fb620929b3478f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LsxydzR1ja2FijP8aV8O0CbnxFsm+CUIyej+Y4lNnj3mK7a0yS7l8V8KXORR5uiPRXsJk3vWKaWNoYPUn1qnAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T11:52:19.656665Z","bundle_sha256":"686bd5dbb9ce4c7bf5c5153f6e7cb6162f3f747c5cf38e4acaa14d5d87fdb218"}}