{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:QIKRZJHOCR42CAWJL3TMCSFRLC","short_pith_number":"pith:QIKRZJHO","canonical_record":{"source":{"id":"1810.06141","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-10-15T01:14:59Z","cross_cats_sorted":[],"title_canon_sha256":"a7e56672de5b177cf9848cd8cab8d5f9a058fcb4075565bc922a1e3eb88163e7","abstract_canon_sha256":"71b79b8c69547e3c209684ebfbbe4052b48b324a1ce2126893e3b54b98df297b"},"schema_version":"1.0"},"canonical_sha256":"82151ca4ee1479a102c95ee6c148b1588e4a636cbb993b81d9462df80fade4c6","source":{"kind":"arxiv","id":"1810.06141","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.06141","created_at":"2026-05-17T23:57:56Z"},{"alias_kind":"arxiv_version","alias_value":"1810.06141v2","created_at":"2026-05-17T23:57:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.06141","created_at":"2026-05-17T23:57:56Z"},{"alias_kind":"pith_short_12","alias_value":"QIKRZJHOCR42","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"QIKRZJHOCR42CAWJ","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"QIKRZJHO","created_at":"2026-05-18T12:32:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:QIKRZJHOCR42CAWJL3TMCSFRLC","target":"record","payload":{"canonical_record":{"source":{"id":"1810.06141","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-10-15T01:14:59Z","cross_cats_sorted":[],"title_canon_sha256":"a7e56672de5b177cf9848cd8cab8d5f9a058fcb4075565bc922a1e3eb88163e7","abstract_canon_sha256":"71b79b8c69547e3c209684ebfbbe4052b48b324a1ce2126893e3b54b98df297b"},"schema_version":"1.0"},"canonical_sha256":"82151ca4ee1479a102c95ee6c148b1588e4a636cbb993b81d9462df80fade4c6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:57:56.970644Z","signature_b64":"Ox560gu3iU57ANbcyDV+4Fm4+JlgBgwJHFnVJVjchKTXCSvDu3rctA+y3XSer4winALnRM+4kGG9n/IG81qcDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"82151ca4ee1479a102c95ee6c148b1588e4a636cbb993b81d9462df80fade4c6","last_reissued_at":"2026-05-17T23:57:56.970069Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:57:56.970069Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.06141","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":"2026-05-17T23:57:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5cFsmwFyHcI1/j5bxkN+WKB0IybeAovKad/ilBT4r8UDsKtrj5JUBgcUINyvq1ZAD9RQG7FhW+foEdPQaDqBBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T10:16:34.181681Z"},"content_sha256":"9e4ece95bfc3473ea51859a7d5e4f1430cbe45e774e5bb926697005699f2a446","schema_version":"1.0","event_id":"sha256:9e4ece95bfc3473ea51859a7d5e4f1430cbe45e774e5bb926697005699f2a446"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:QIKRZJHOCR42CAWJL3TMCSFRLC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Three-dimensional in situ characterization of phase transformation induced austenite grain refinement in nickel-titanium","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Aaron P. Stebner, Ashley N. Bucsek, Darren C. Pagan, Lee Casalena, Michael J. Mills, Partha P. Paul, Yuriy Chumlyakov","submitted_at":"2018-10-15T01:14:59Z","abstract_excerpt":"Near-field and far-field high-energy diffraction microscopy and microcomputed tomography X-ray techniques were used to study a bulk single crystal nickel-titanium shape memory alloy sample subjected to thermal cycling under a constant applied load. Three-dimensional in situ reconstructions of the austenite microstructure are presented, including the structure and distribution of emergent grain boundaries. After one cycle, the subgrain structure is significantly refined, and heterogeneous {\\Sigma}3 and {\\Sigma}9 grain boundaries emerge. The low volume and uneven dispersion of the emergent {\\Sig"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.06141","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":"2026-05-17T23:57:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2ciHr5dMAFkATjSNpUYREAXV9wX8N7CABmOunR7uPVZVEw/Mkaqe/NOFMH1/tNGyTZn6fb0cx9AxabUiBycsBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T10:16:34.182367Z"},"content_sha256":"b60177d9ef0b1f02086244b9114e009e07559c151f62f8e145f6fa30a1643587","schema_version":"1.0","event_id":"sha256:b60177d9ef0b1f02086244b9114e009e07559c151f62f8e145f6fa30a1643587"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QIKRZJHOCR42CAWJL3TMCSFRLC/bundle.json","state_url":"https://pith.science/pith/QIKRZJHOCR42CAWJL3TMCSFRLC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QIKRZJHOCR42CAWJL3TMCSFRLC/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":"2026-05-24T10:16:34Z","links":{"resolver":"https://pith.science/pith/QIKRZJHOCR42CAWJL3TMCSFRLC","bundle":"https://pith.science/pith/QIKRZJHOCR42CAWJL3TMCSFRLC/bundle.json","state":"https://pith.science/pith/QIKRZJHOCR42CAWJL3TMCSFRLC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QIKRZJHOCR42CAWJL3TMCSFRLC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:QIKRZJHOCR42CAWJL3TMCSFRLC","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":"71b79b8c69547e3c209684ebfbbe4052b48b324a1ce2126893e3b54b98df297b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-10-15T01:14:59Z","title_canon_sha256":"a7e56672de5b177cf9848cd8cab8d5f9a058fcb4075565bc922a1e3eb88163e7"},"schema_version":"1.0","source":{"id":"1810.06141","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.06141","created_at":"2026-05-17T23:57:56Z"},{"alias_kind":"arxiv_version","alias_value":"1810.06141v2","created_at":"2026-05-17T23:57:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.06141","created_at":"2026-05-17T23:57:56Z"},{"alias_kind":"pith_short_12","alias_value":"QIKRZJHOCR42","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"QIKRZJHOCR42CAWJ","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"QIKRZJHO","created_at":"2026-05-18T12:32:46Z"}],"graph_snapshots":[{"event_id":"sha256:b60177d9ef0b1f02086244b9114e009e07559c151f62f8e145f6fa30a1643587","target":"graph","created_at":"2026-05-17T23:57:56Z","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":"Near-field and far-field high-energy diffraction microscopy and microcomputed tomography X-ray techniques were used to study a bulk single crystal nickel-titanium shape memory alloy sample subjected to thermal cycling under a constant applied load. Three-dimensional in situ reconstructions of the austenite microstructure are presented, including the structure and distribution of emergent grain boundaries. After one cycle, the subgrain structure is significantly refined, and heterogeneous {\\Sigma}3 and {\\Sigma}9 grain boundaries emerge. The low volume and uneven dispersion of the emergent {\\Sig","authors_text":"Aaron P. Stebner, Ashley N. Bucsek, Darren C. Pagan, Lee Casalena, Michael J. Mills, Partha P. Paul, Yuriy Chumlyakov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-10-15T01:14:59Z","title":"Three-dimensional in situ characterization of phase transformation induced austenite grain refinement in nickel-titanium"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.06141","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":"sha256:9e4ece95bfc3473ea51859a7d5e4f1430cbe45e774e5bb926697005699f2a446","target":"record","created_at":"2026-05-17T23:57:56Z","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":"71b79b8c69547e3c209684ebfbbe4052b48b324a1ce2126893e3b54b98df297b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-10-15T01:14:59Z","title_canon_sha256":"a7e56672de5b177cf9848cd8cab8d5f9a058fcb4075565bc922a1e3eb88163e7"},"schema_version":"1.0","source":{"id":"1810.06141","kind":"arxiv","version":2}},"canonical_sha256":"82151ca4ee1479a102c95ee6c148b1588e4a636cbb993b81d9462df80fade4c6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"82151ca4ee1479a102c95ee6c148b1588e4a636cbb993b81d9462df80fade4c6","first_computed_at":"2026-05-17T23:57:56.970069Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:57:56.970069Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ox560gu3iU57ANbcyDV+4Fm4+JlgBgwJHFnVJVjchKTXCSvDu3rctA+y3XSer4winALnRM+4kGG9n/IG81qcDg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:57:56.970644Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.06141","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9e4ece95bfc3473ea51859a7d5e4f1430cbe45e774e5bb926697005699f2a446","sha256:b60177d9ef0b1f02086244b9114e009e07559c151f62f8e145f6fa30a1643587"],"state_sha256":"e161163f82a8240c5e4623f2a60859e32916645f42606a496eb3bef48dbf9521"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m5J3s7Ep0HE5w/TcSBqGL6AdgQ9Ltgj+NLw5KhX3z+h1MJnuc8k7G74zqtgkvoeTWVIy3VLD/WPKiIUx5J3yCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T10:16:34.185733Z","bundle_sha256":"ca86be91a5b2dc0af53aa7fe82bc41c87f93b03e0046242b63df214265c5f1ea"}}