{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:2I5IEZDZ5NCFSZW7ELRE6GNSUO","short_pith_number":"pith:2I5IEZDZ","canonical_record":{"source":{"id":"1210.1364","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-10-04T10:10:54Z","cross_cats_sorted":[],"title_canon_sha256":"8bea39e8279279bc57f5ebe3f68a56955f1f6ff288e7412dffea971787064a0a","abstract_canon_sha256":"16eb5a2ad634517a44a8f2fef6cd803797259afe969ba1826fdd72f12b37b148"},"schema_version":"1.0"},"canonical_sha256":"d23a826479eb445966df22e24f19b2a3a99d730d2a09a03ee0fe046b9bf7557d","source":{"kind":"arxiv","id":"1210.1364","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.1364","created_at":"2026-05-18T03:13:34Z"},{"alias_kind":"arxiv_version","alias_value":"1210.1364v1","created_at":"2026-05-18T03:13:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.1364","created_at":"2026-05-18T03:13:34Z"},{"alias_kind":"pith_short_12","alias_value":"2I5IEZDZ5NCF","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_16","alias_value":"2I5IEZDZ5NCFSZW7","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_8","alias_value":"2I5IEZDZ","created_at":"2026-05-18T12:26:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:2I5IEZDZ5NCFSZW7ELRE6GNSUO","target":"record","payload":{"canonical_record":{"source":{"id":"1210.1364","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-10-04T10:10:54Z","cross_cats_sorted":[],"title_canon_sha256":"8bea39e8279279bc57f5ebe3f68a56955f1f6ff288e7412dffea971787064a0a","abstract_canon_sha256":"16eb5a2ad634517a44a8f2fef6cd803797259afe969ba1826fdd72f12b37b148"},"schema_version":"1.0"},"canonical_sha256":"d23a826479eb445966df22e24f19b2a3a99d730d2a09a03ee0fe046b9bf7557d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:13:34.194111Z","signature_b64":"QHs0zRH1P5vA1QgARAlNPMhO4MVhqRkWVI1MwbvGLEA96Gz9zwM2LqwwjgJeiiHhfaViR+b5tOmlHMwq9DJhAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d23a826479eb445966df22e24f19b2a3a99d730d2a09a03ee0fe046b9bf7557d","last_reissued_at":"2026-05-18T03:13:34.193330Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:13:34.193330Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1210.1364","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":"2026-05-18T03:13:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"K2QkwyxhedINofRmMAK809XJjdPiwHQQaBYHHkBMFeiPonHFKvMAC4fwRa23rDbOr1ah8JISlBUnw+sOv5UNDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T12:10:34.902161Z"},"content_sha256":"79f83ded24aa938f7081020e058f8c0c0bcd6ee99b23c490d142f71e29d1ea58","schema_version":"1.0","event_id":"sha256:79f83ded24aa938f7081020e058f8c0c0bcd6ee99b23c490d142f71e29d1ea58"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:2I5IEZDZ5NCFSZW7ELRE6GNSUO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Thermodynamic Stability of Co-Al-W L12 \\gamma'","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Chris Wolverton, James E. Saal","submitted_at":"2012-10-04T10:10:54Z","abstract_excerpt":"Co-based superalloys in the Co-Al-W system exhibit coherent L12 Co3(Al,W) \\gamma' precipitates in an fcc Co \\gamma matrix, analogous to Ni3Al in Ni-based systems. Unlike Ni3Al however, experimental observations of Co3(Al,W) suggest that it is not a stable phase at 1173K. Here, we perform an extensive series of density functional theory (DFT) calculations of the \\gamma' Co3(Al,W) phase stability, including point defect energetics and finite-temperature contributions. We first confirm and extend previous DFT calculations of the metastability of L12 Co3(Al0.5W0.5) \\gamma' at 0K with respect to HC"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.1364","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":""},"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":"2026-05-18T03:13:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tpKG7BB3b7LxM46tMkVYH1E2V9P9BmAHXnEIkZMmZxWkWauJr+FmBawjxbMiLAeiJPD58z4etcC9+Dd3pnMyCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T12:10:34.902589Z"},"content_sha256":"82243a3a70fc2bba063b04d8aa3412ae05954e72118f83af45cb9b57e7fb35f1","schema_version":"1.0","event_id":"sha256:82243a3a70fc2bba063b04d8aa3412ae05954e72118f83af45cb9b57e7fb35f1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2I5IEZDZ5NCFSZW7ELRE6GNSUO/bundle.json","state_url":"https://pith.science/pith/2I5IEZDZ5NCFSZW7ELRE6GNSUO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2I5IEZDZ5NCFSZW7ELRE6GNSUO/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":"2026-06-02T12:10:34Z","links":{"resolver":"https://pith.science/pith/2I5IEZDZ5NCFSZW7ELRE6GNSUO","bundle":"https://pith.science/pith/2I5IEZDZ5NCFSZW7ELRE6GNSUO/bundle.json","state":"https://pith.science/pith/2I5IEZDZ5NCFSZW7ELRE6GNSUO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2I5IEZDZ5NCFSZW7ELRE6GNSUO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:2I5IEZDZ5NCFSZW7ELRE6GNSUO","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":"16eb5a2ad634517a44a8f2fef6cd803797259afe969ba1826fdd72f12b37b148","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-10-04T10:10:54Z","title_canon_sha256":"8bea39e8279279bc57f5ebe3f68a56955f1f6ff288e7412dffea971787064a0a"},"schema_version":"1.0","source":{"id":"1210.1364","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.1364","created_at":"2026-05-18T03:13:34Z"},{"alias_kind":"arxiv_version","alias_value":"1210.1364v1","created_at":"2026-05-18T03:13:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.1364","created_at":"2026-05-18T03:13:34Z"},{"alias_kind":"pith_short_12","alias_value":"2I5IEZDZ5NCF","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_16","alias_value":"2I5IEZDZ5NCFSZW7","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_8","alias_value":"2I5IEZDZ","created_at":"2026-05-18T12:26:50Z"}],"graph_snapshots":[{"event_id":"sha256:82243a3a70fc2bba063b04d8aa3412ae05954e72118f83af45cb9b57e7fb35f1","target":"graph","created_at":"2026-05-18T03:13:34Z","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":"Co-based superalloys in the Co-Al-W system exhibit coherent L12 Co3(Al,W) \\gamma' precipitates in an fcc Co \\gamma matrix, analogous to Ni3Al in Ni-based systems. Unlike Ni3Al however, experimental observations of Co3(Al,W) suggest that it is not a stable phase at 1173K. Here, we perform an extensive series of density functional theory (DFT) calculations of the \\gamma' Co3(Al,W) phase stability, including point defect energetics and finite-temperature contributions. We first confirm and extend previous DFT calculations of the metastability of L12 Co3(Al0.5W0.5) \\gamma' at 0K with respect to HC","authors_text":"Chris Wolverton, James E. Saal","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-10-04T10:10:54Z","title":"Thermodynamic Stability of Co-Al-W L12 \\gamma'"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.1364","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":"sha256:79f83ded24aa938f7081020e058f8c0c0bcd6ee99b23c490d142f71e29d1ea58","target":"record","created_at":"2026-05-18T03:13:34Z","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":"16eb5a2ad634517a44a8f2fef6cd803797259afe969ba1826fdd72f12b37b148","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-10-04T10:10:54Z","title_canon_sha256":"8bea39e8279279bc57f5ebe3f68a56955f1f6ff288e7412dffea971787064a0a"},"schema_version":"1.0","source":{"id":"1210.1364","kind":"arxiv","version":1}},"canonical_sha256":"d23a826479eb445966df22e24f19b2a3a99d730d2a09a03ee0fe046b9bf7557d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d23a826479eb445966df22e24f19b2a3a99d730d2a09a03ee0fe046b9bf7557d","first_computed_at":"2026-05-18T03:13:34.193330Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:13:34.193330Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QHs0zRH1P5vA1QgARAlNPMhO4MVhqRkWVI1MwbvGLEA96Gz9zwM2LqwwjgJeiiHhfaViR+b5tOmlHMwq9DJhAA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:13:34.194111Z","signed_message":"canonical_sha256_bytes"},"source_id":"1210.1364","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:79f83ded24aa938f7081020e058f8c0c0bcd6ee99b23c490d142f71e29d1ea58","sha256:82243a3a70fc2bba063b04d8aa3412ae05954e72118f83af45cb9b57e7fb35f1"],"state_sha256":"1c32fc2aa391844ed9456a1681a2ef2d4ebdcc81a4749fb66775b5016f372002"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pAkAtrZSFLz+al5IQLVT611R+PUE7eqocw+tKJcsNq3tF14+3XC5GoZrHiIdDpc+up6ZygbftaEuw+FmjHT+CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T12:10:34.904526Z","bundle_sha256":"c55a54c95e2d3bffb15e51507a277394df9fa3579618bc71d28490bd055842bf"}}