{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:W3TUA5G7UVWP6SFSP6Y5VJUXPC","short_pith_number":"pith:W3TUA5G7","canonical_record":{"source":{"id":"2607.22833","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CE","submitted_at":"2026-07-24T18:16:55Z","cross_cats_sorted":[],"title_canon_sha256":"f902c97bb324f69eb9e1cb96af7459baa8379ccdc9c4c3e435831926c35f7a9f","abstract_canon_sha256":"98f66f6ba89d43450b2153156bf5312b394de71f13f35e93b884cf54c866d662"},"schema_version":"1.0"},"canonical_sha256":"b6e74074dfa56cff48b27fb1daa69778821e525695f749b28e23e20544cb69fb","source":{"kind":"arxiv","id":"2607.22833","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.22833","created_at":"2026-07-28T00:21:56Z"},{"alias_kind":"arxiv_version","alias_value":"2607.22833v1","created_at":"2026-07-28T00:21:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.22833","created_at":"2026-07-28T00:21:56Z"},{"alias_kind":"pith_short_12","alias_value":"W3TUA5G7UVWP","created_at":"2026-07-28T00:21:56Z"},{"alias_kind":"pith_short_16","alias_value":"W3TUA5G7UVWP6SFS","created_at":"2026-07-28T00:21:56Z"},{"alias_kind":"pith_short_8","alias_value":"W3TUA5G7","created_at":"2026-07-28T00:21:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:W3TUA5G7UVWP6SFSP6Y5VJUXPC","target":"record","payload":{"canonical_record":{"source":{"id":"2607.22833","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CE","submitted_at":"2026-07-24T18:16:55Z","cross_cats_sorted":[],"title_canon_sha256":"f902c97bb324f69eb9e1cb96af7459baa8379ccdc9c4c3e435831926c35f7a9f","abstract_canon_sha256":"98f66f6ba89d43450b2153156bf5312b394de71f13f35e93b884cf54c866d662"},"schema_version":"1.0"},"canonical_sha256":"b6e74074dfa56cff48b27fb1daa69778821e525695f749b28e23e20544cb69fb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-28T00:21:56.824468Z","signature_b64":"QEFs0yVlKsJ0gx9Re4bvF10xL+A2HvhHC6I/Kjgk+ClGYtg0X8knWEAzFWjXbEjRhDdmX5Y2cwAqHScrguMjDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b6e74074dfa56cff48b27fb1daa69778821e525695f749b28e23e20544cb69fb","last_reissued_at":"2026-07-28T00:21:56.823592Z","signature_status":"signed_v1","first_computed_at":"2026-07-28T00:21:56.823592Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.22833","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":"2026-07-28T00:21:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VzrxZhzQiiR0FdE2wxnbgER0NIw7BxUA+isTnHNs5xH01zu7ZYP7xgYAfyarJxidnSHuFU+LV3iQ/+VWegPUDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T13:00:09.758490Z"},"content_sha256":"76113f60b95e2ff05116d28d94683077e339832ab20d46db526744374f1d4721","schema_version":"1.0","event_id":"sha256:76113f60b95e2ff05116d28d94683077e339832ab20d46db526744374f1d4721"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:W3TUA5G7UVWP6SFSP6Y5VJUXPC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Thermo-Structural Topology Optimization Considering Nonlinear Creep","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CE","authors_text":"Aaditya Chandrasekhar, Changjie Sun, Deepak Sharma, Jian Cao, Stefan Knapik, Wei Chen","submitted_at":"2026-07-24T18:16:55Z","abstract_excerpt":"Creep is a primary life-limiting mechanism for metallic components operating at high temperature, producing permanent deformation under sustained loads even when stresses remain below yield. The design of structures to minimize this deformation is critical to extending the service life of components. Incorporating creep into topology optimization (TO) remains open because the response is nonlinear, history-dependent, and thermomechanically coupled, and prior work often relies on linear viscoelastic models, which do not capture the behavior of metals at high temperatures. To bridge this gap, we"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.22833","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/2607.22833/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":"2026-07-28T00:21:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AygQh/dvuGBDmis67BulKijHIrU0otlqEBd+HSEVUh52k0ACDYB8ubqWfz607y/NNAp211xoqiq2TrACuq1rCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T13:00:09.758999Z"},"content_sha256":"eebe0cc9d3bd5f4c7dcc8ff712bb1bc042f30aebe6825d3743f10b1a5d21ad25","schema_version":"1.0","event_id":"sha256:eebe0cc9d3bd5f4c7dcc8ff712bb1bc042f30aebe6825d3743f10b1a5d21ad25"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/W3TUA5G7UVWP6SFSP6Y5VJUXPC/bundle.json","state_url":"https://pith.science/pith/W3TUA5G7UVWP6SFSP6Y5VJUXPC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/W3TUA5G7UVWP6SFSP6Y5VJUXPC/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":"2026-08-05T13:00:09Z","links":{"resolver":"https://pith.science/pith/W3TUA5G7UVWP6SFSP6Y5VJUXPC","bundle":"https://pith.science/pith/W3TUA5G7UVWP6SFSP6Y5VJUXPC/bundle.json","state":"https://pith.science/pith/W3TUA5G7UVWP6SFSP6Y5VJUXPC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/W3TUA5G7UVWP6SFSP6Y5VJUXPC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:W3TUA5G7UVWP6SFSP6Y5VJUXPC","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":"98f66f6ba89d43450b2153156bf5312b394de71f13f35e93b884cf54c866d662","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CE","submitted_at":"2026-07-24T18:16:55Z","title_canon_sha256":"f902c97bb324f69eb9e1cb96af7459baa8379ccdc9c4c3e435831926c35f7a9f"},"schema_version":"1.0","source":{"id":"2607.22833","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.22833","created_at":"2026-07-28T00:21:56Z"},{"alias_kind":"arxiv_version","alias_value":"2607.22833v1","created_at":"2026-07-28T00:21:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.22833","created_at":"2026-07-28T00:21:56Z"},{"alias_kind":"pith_short_12","alias_value":"W3TUA5G7UVWP","created_at":"2026-07-28T00:21:56Z"},{"alias_kind":"pith_short_16","alias_value":"W3TUA5G7UVWP6SFS","created_at":"2026-07-28T00:21:56Z"},{"alias_kind":"pith_short_8","alias_value":"W3TUA5G7","created_at":"2026-07-28T00:21:56Z"}],"graph_snapshots":[{"event_id":"sha256:eebe0cc9d3bd5f4c7dcc8ff712bb1bc042f30aebe6825d3743f10b1a5d21ad25","target":"graph","created_at":"2026-07-28T00:21:56Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2607.22833/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Creep is a primary life-limiting mechanism for metallic components operating at high temperature, producing permanent deformation under sustained loads even when stresses remain below yield. The design of structures to minimize this deformation is critical to extending the service life of components. Incorporating creep into topology optimization (TO) remains open because the response is nonlinear, history-dependent, and thermomechanically coupled, and prior work often relies on linear viscoelastic models, which do not capture the behavior of metals at high temperatures. To bridge this gap, we","authors_text":"Aaditya Chandrasekhar, Changjie Sun, Deepak Sharma, Jian Cao, Stefan Knapik, Wei Chen","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CE","submitted_at":"2026-07-24T18:16:55Z","title":"Thermo-Structural Topology Optimization Considering Nonlinear Creep"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.22833","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":"sha256:76113f60b95e2ff05116d28d94683077e339832ab20d46db526744374f1d4721","target":"record","created_at":"2026-07-28T00:21:56Z","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":"98f66f6ba89d43450b2153156bf5312b394de71f13f35e93b884cf54c866d662","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CE","submitted_at":"2026-07-24T18:16:55Z","title_canon_sha256":"f902c97bb324f69eb9e1cb96af7459baa8379ccdc9c4c3e435831926c35f7a9f"},"schema_version":"1.0","source":{"id":"2607.22833","kind":"arxiv","version":1}},"canonical_sha256":"b6e74074dfa56cff48b27fb1daa69778821e525695f749b28e23e20544cb69fb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b6e74074dfa56cff48b27fb1daa69778821e525695f749b28e23e20544cb69fb","first_computed_at":"2026-07-28T00:21:56.823592Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-28T00:21:56.823592Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QEFs0yVlKsJ0gx9Re4bvF10xL+A2HvhHC6I/Kjgk+ClGYtg0X8knWEAzFWjXbEjRhDdmX5Y2cwAqHScrguMjDg==","signature_status":"signed_v1","signed_at":"2026-07-28T00:21:56.824468Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.22833","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:76113f60b95e2ff05116d28d94683077e339832ab20d46db526744374f1d4721","sha256:eebe0cc9d3bd5f4c7dcc8ff712bb1bc042f30aebe6825d3743f10b1a5d21ad25"],"state_sha256":"fb779f7318cf69078392bc0fbadd1cbc06febc206c65a26065891c97efc5f921"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"blLditQYgYYS5U8JnNR37rnJbhxQwobRI6+8cSVJoAktNu2lnBuZfcDWq4fbb/QXLMgj4X7gxsINOaB1l2jFCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T13:00:09.763319Z","bundle_sha256":"39f24cce1c32f3c5f82e3a188ea5bf3495cdb09995c694086908d993701bed49"}}