{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:QMI5HU4L5JJ6LCEDKDJCIWNKHC","short_pith_number":"pith:QMI5HU4L","canonical_record":{"source":{"id":"1905.05680","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-05-14T15:53:25Z","cross_cats_sorted":[],"title_canon_sha256":"f54fc81c08b43380caefad4be7a3dfac678441dca534492e625f3a01d469c132","abstract_canon_sha256":"0d05f149dbf36f4ff4283ea2be0ec3dec96d4b0c1f2df4d9db38ddecd2f09ac1"},"schema_version":"1.0"},"canonical_sha256":"8311d3d38bea53e5888350d22459aa389599fd40f5601c17d3517578dccb0e3a","source":{"kind":"arxiv","id":"1905.05680","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.05680","created_at":"2026-07-05T00:15:37Z"},{"alias_kind":"arxiv_version","alias_value":"1905.05680v3","created_at":"2026-07-05T00:15:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.05680","created_at":"2026-07-05T00:15:37Z"},{"alias_kind":"pith_short_12","alias_value":"QMI5HU4L5JJ6","created_at":"2026-07-05T00:15:37Z"},{"alias_kind":"pith_short_16","alias_value":"QMI5HU4L5JJ6LCED","created_at":"2026-07-05T00:15:37Z"},{"alias_kind":"pith_short_8","alias_value":"QMI5HU4L","created_at":"2026-07-05T00:15:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:QMI5HU4L5JJ6LCEDKDJCIWNKHC","target":"record","payload":{"canonical_record":{"source":{"id":"1905.05680","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-05-14T15:53:25Z","cross_cats_sorted":[],"title_canon_sha256":"f54fc81c08b43380caefad4be7a3dfac678441dca534492e625f3a01d469c132","abstract_canon_sha256":"0d05f149dbf36f4ff4283ea2be0ec3dec96d4b0c1f2df4d9db38ddecd2f09ac1"},"schema_version":"1.0"},"canonical_sha256":"8311d3d38bea53e5888350d22459aa389599fd40f5601c17d3517578dccb0e3a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:15:37.008927Z","signature_b64":"egQ9tqEPAKcMktIF70qltuAbKlnH6lUEPE2bLWXH5P4HVSiJxIHSmJ7EcoiZxN8IqoihlO6CsJXYvSXXLv1qAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8311d3d38bea53e5888350d22459aa389599fd40f5601c17d3517578dccb0e3a","last_reissued_at":"2026-07-05T00:15:37.008416Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:15:37.008416Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1905.05680","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T00:15:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RekMbp9wZL8mhfqZe7BXtpYSBHAyaSPtPXSxrzWkOtMZ6QQMedOrks0hDaua4+08hLQGsD/9EODbFuFcSArhAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T13:36:34.057235Z"},"content_sha256":"846bfe4182b0bdaa69500dad0595a95f6795c87c0e5d5edd2c6ff386743d0fa9","schema_version":"1.0","event_id":"sha256:846bfe4182b0bdaa69500dad0595a95f6795c87c0e5d5edd2c6ff386743d0fa9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:QMI5HU4L5JJ6LCEDKDJCIWNKHC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Discovery of $\\omega$-free high-temperature Ti-Ta-X shape memory alloys from first principles calculations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Alberto Ferrari, Alexander Paulsen, Christoph Somsen, David Piorunek, Dennis Langenk\\\"amper, Gunther Eggeler, Jan Frenzel, Jutta Rogal, Ralf Drautz","submitted_at":"2019-05-14T15:53:25Z","abstract_excerpt":"The rapid degradation of the functional properties of many Ti-based alloys is due to the precipitation of the $\\omega$ phase. In the conventional high-temperature shape memory alloy Ti-Ta the formation of this phase compromises completely the shape memory effect and high (>100{\\deg}C) transformation temperatures cannot be mantained during cycling. A solution to this problem is the addition of other elements to form Ti-Ta-X alloys, which often modifies the transformation temperatures; due to the largely unexplored space of possible compositions, very few elements are known to stabilize the shap"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.05680","kind":"arxiv","version":3},"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/1905.05680/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":"2026-07-05T00:15:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sXIY6uxYZYbeutNNjuo5MU/eVK28MRfDkJ+0cqMjLRPV60Sz44nTeKVzDDPlXMbbMXWg7Nqb+33kbzcA+5q9Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T13:36:34.057642Z"},"content_sha256":"3b87e583b93c42d60fbbdfe9478828ac4b0f9a274f0886b39b531fb6698374bf","schema_version":"1.0","event_id":"sha256:3b87e583b93c42d60fbbdfe9478828ac4b0f9a274f0886b39b531fb6698374bf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QMI5HU4L5JJ6LCEDKDJCIWNKHC/bundle.json","state_url":"https://pith.science/pith/QMI5HU4L5JJ6LCEDKDJCIWNKHC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QMI5HU4L5JJ6LCEDKDJCIWNKHC/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":"2026-07-07T13:36:34Z","links":{"resolver":"https://pith.science/pith/QMI5HU4L5JJ6LCEDKDJCIWNKHC","bundle":"https://pith.science/pith/QMI5HU4L5JJ6LCEDKDJCIWNKHC/bundle.json","state":"https://pith.science/pith/QMI5HU4L5JJ6LCEDKDJCIWNKHC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QMI5HU4L5JJ6LCEDKDJCIWNKHC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:QMI5HU4L5JJ6LCEDKDJCIWNKHC","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":"0d05f149dbf36f4ff4283ea2be0ec3dec96d4b0c1f2df4d9db38ddecd2f09ac1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-05-14T15:53:25Z","title_canon_sha256":"f54fc81c08b43380caefad4be7a3dfac678441dca534492e625f3a01d469c132"},"schema_version":"1.0","source":{"id":"1905.05680","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.05680","created_at":"2026-07-05T00:15:37Z"},{"alias_kind":"arxiv_version","alias_value":"1905.05680v3","created_at":"2026-07-05T00:15:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.05680","created_at":"2026-07-05T00:15:37Z"},{"alias_kind":"pith_short_12","alias_value":"QMI5HU4L5JJ6","created_at":"2026-07-05T00:15:37Z"},{"alias_kind":"pith_short_16","alias_value":"QMI5HU4L5JJ6LCED","created_at":"2026-07-05T00:15:37Z"},{"alias_kind":"pith_short_8","alias_value":"QMI5HU4L","created_at":"2026-07-05T00:15:37Z"}],"graph_snapshots":[{"event_id":"sha256:3b87e583b93c42d60fbbdfe9478828ac4b0f9a274f0886b39b531fb6698374bf","target":"graph","created_at":"2026-07-05T00:15:37Z","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/1905.05680/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The rapid degradation of the functional properties of many Ti-based alloys is due to the precipitation of the $\\omega$ phase. In the conventional high-temperature shape memory alloy Ti-Ta the formation of this phase compromises completely the shape memory effect and high (>100{\\deg}C) transformation temperatures cannot be mantained during cycling. A solution to this problem is the addition of other elements to form Ti-Ta-X alloys, which often modifies the transformation temperatures; due to the largely unexplored space of possible compositions, very few elements are known to stabilize the shap","authors_text":"Alberto Ferrari, Alexander Paulsen, Christoph Somsen, David Piorunek, Dennis Langenk\\\"amper, Gunther Eggeler, Jan Frenzel, Jutta Rogal, Ralf Drautz","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-05-14T15:53:25Z","title":"Discovery of $\\omega$-free high-temperature Ti-Ta-X shape memory alloys from first principles calculations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.05680","kind":"arxiv","version":3},"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":"sha256:846bfe4182b0bdaa69500dad0595a95f6795c87c0e5d5edd2c6ff386743d0fa9","target":"record","created_at":"2026-07-05T00:15:37Z","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":"0d05f149dbf36f4ff4283ea2be0ec3dec96d4b0c1f2df4d9db38ddecd2f09ac1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-05-14T15:53:25Z","title_canon_sha256":"f54fc81c08b43380caefad4be7a3dfac678441dca534492e625f3a01d469c132"},"schema_version":"1.0","source":{"id":"1905.05680","kind":"arxiv","version":3}},"canonical_sha256":"8311d3d38bea53e5888350d22459aa389599fd40f5601c17d3517578dccb0e3a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8311d3d38bea53e5888350d22459aa389599fd40f5601c17d3517578dccb0e3a","first_computed_at":"2026-07-05T00:15:37.008416Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:15:37.008416Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"egQ9tqEPAKcMktIF70qltuAbKlnH6lUEPE2bLWXH5P4HVSiJxIHSmJ7EcoiZxN8IqoihlO6CsJXYvSXXLv1qAA==","signature_status":"signed_v1","signed_at":"2026-07-05T00:15:37.008927Z","signed_message":"canonical_sha256_bytes"},"source_id":"1905.05680","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:846bfe4182b0bdaa69500dad0595a95f6795c87c0e5d5edd2c6ff386743d0fa9","sha256:3b87e583b93c42d60fbbdfe9478828ac4b0f9a274f0886b39b531fb6698374bf"],"state_sha256":"55d84b5987c386fbb66f9067b988d0ca6262cb9289758c7c807662dccc4ce0a0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7APSDtg/Sum7zKbZnYK0BnD1Jv+86/e5E6H5JjyRnc/YqL/ZbD+gF1xQVR6PMqwvsVNIK6aGW0Pkt49lDpS6Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T13:36:34.059565Z","bundle_sha256":"f4989a0767f5166f4243c8e8ea9a41be126f160a7d8c1d3829db51baee299d4b"}}