{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:SBQO5QWWRWNHZ2X2ZGDMFUE4S6","short_pith_number":"pith:SBQO5QWW","canonical_record":{"source":{"id":"2511.04695","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.soft","submitted_at":"2025-10-31T15:15:31Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"467be964d7474882cb0211d3d91ccff14d2b78476addfa47598caa2ae360a176","abstract_canon_sha256":"11b4251efd2276a70a65ef2d06088fc9f9e94803fcbe8bdbfd84a5d552260cd9"},"schema_version":"1.0"},"canonical_sha256":"9060eec2d68d9a7ceafac986c2d09c97985be288ec596d30791970b822caa6e2","source":{"kind":"arxiv","id":"2511.04695","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2511.04695","created_at":"2026-06-03T01:05:07Z"},{"alias_kind":"arxiv_version","alias_value":"2511.04695v1","created_at":"2026-06-03T01:05:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2511.04695","created_at":"2026-06-03T01:05:07Z"},{"alias_kind":"pith_short_12","alias_value":"SBQO5QWWRWNH","created_at":"2026-06-03T01:05:07Z"},{"alias_kind":"pith_short_16","alias_value":"SBQO5QWWRWNHZ2X2","created_at":"2026-06-03T01:05:07Z"},{"alias_kind":"pith_short_8","alias_value":"SBQO5QWW","created_at":"2026-06-03T01:05:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:SBQO5QWWRWNHZ2X2ZGDMFUE4S6","target":"record","payload":{"canonical_record":{"source":{"id":"2511.04695","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.soft","submitted_at":"2025-10-31T15:15:31Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"467be964d7474882cb0211d3d91ccff14d2b78476addfa47598caa2ae360a176","abstract_canon_sha256":"11b4251efd2276a70a65ef2d06088fc9f9e94803fcbe8bdbfd84a5d552260cd9"},"schema_version":"1.0"},"canonical_sha256":"9060eec2d68d9a7ceafac986c2d09c97985be288ec596d30791970b822caa6e2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-03T01:05:07.076182Z","signature_b64":"5MBwMl8xummbHGVL3xgzttQlXlD3gOtbJDJV2DppsT/tsIzxnmjaeTPXGSyG900K7cImYhpKzKYW4B8zF+rKCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9060eec2d68d9a7ceafac986c2d09c97985be288ec596d30791970b822caa6e2","last_reissued_at":"2026-06-03T01:05:07.075683Z","signature_status":"signed_v1","first_computed_at":"2026-06-03T01:05:07.075683Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2511.04695","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":"2026-06-03T01:05:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yAlD1LD8az/QP8Fei8Ea0Uk7enSaSmIZnvhC1zJbw62foKPXrWdDJ6dR6x4LAPa/nfP7trypSj9cbJfp/tlfAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T07:52:39.398076Z"},"content_sha256":"90ed71af2f4d7782c9e24ac16889745cfa27d89e938443ee02c84f2d1c49402b","schema_version":"1.0","event_id":"sha256:90ed71af2f4d7782c9e24ac16889745cfa27d89e938443ee02c84f2d1c49402b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:SBQO5QWWRWNHZ2X2ZGDMFUE4S6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"AI-Driven Design of poly(ethylene terephthalate)-replacement copolymers","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.soft","authors_text":"Akhlak Mahmood, Chiho Kim, Huan Tran, Rampi Ramprasad, Wei Xiong","submitted_at":"2025-10-31T15:15:31Z","abstract_excerpt":"Poly(ethylene terephthalate) (PET), a widely used thermoplastic in packaging, textiles, and engineering applications, is valued for its strength, clarity, and chemical resistance. Increasing environmental impact concerns and regulatory pressures drive the search for alternatives with comparable or superior performance. We present an AI-driven polymer design pipeline employing virtual forward synthesis (VFS) to generate PET-replacement copolymers. Inspired by the esterification route of PET synthesis, we systematically combined a down-selected set of Toxic Substances Control Act (TSCA)-listed m"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2511.04695","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/2511.04695/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":"2026-06-03T01:05:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MTlAc6/oaDilR81fYpmKgvObpI8Rrc+Tz38Qwzm0mKOLlRt+HtWbSSvnbckjzL26l7eZgkXIRXmTTlFYchP/Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T07:52:39.398813Z"},"content_sha256":"a0ede05682b75636916c9833567eec5146c0566c35702667afb05297df53a836","schema_version":"1.0","event_id":"sha256:a0ede05682b75636916c9833567eec5146c0566c35702667afb05297df53a836"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SBQO5QWWRWNHZ2X2ZGDMFUE4S6/bundle.json","state_url":"https://pith.science/pith/SBQO5QWWRWNHZ2X2ZGDMFUE4S6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SBQO5QWWRWNHZ2X2ZGDMFUE4S6/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":"2026-06-11T07:52:39Z","links":{"resolver":"https://pith.science/pith/SBQO5QWWRWNHZ2X2ZGDMFUE4S6","bundle":"https://pith.science/pith/SBQO5QWWRWNHZ2X2ZGDMFUE4S6/bundle.json","state":"https://pith.science/pith/SBQO5QWWRWNHZ2X2ZGDMFUE4S6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SBQO5QWWRWNHZ2X2ZGDMFUE4S6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:SBQO5QWWRWNHZ2X2ZGDMFUE4S6","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":"11b4251efd2276a70a65ef2d06088fc9f9e94803fcbe8bdbfd84a5d552260cd9","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.soft","submitted_at":"2025-10-31T15:15:31Z","title_canon_sha256":"467be964d7474882cb0211d3d91ccff14d2b78476addfa47598caa2ae360a176"},"schema_version":"1.0","source":{"id":"2511.04695","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2511.04695","created_at":"2026-06-03T01:05:07Z"},{"alias_kind":"arxiv_version","alias_value":"2511.04695v1","created_at":"2026-06-03T01:05:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2511.04695","created_at":"2026-06-03T01:05:07Z"},{"alias_kind":"pith_short_12","alias_value":"SBQO5QWWRWNH","created_at":"2026-06-03T01:05:07Z"},{"alias_kind":"pith_short_16","alias_value":"SBQO5QWWRWNHZ2X2","created_at":"2026-06-03T01:05:07Z"},{"alias_kind":"pith_short_8","alias_value":"SBQO5QWW","created_at":"2026-06-03T01:05:07Z"}],"graph_snapshots":[{"event_id":"sha256:a0ede05682b75636916c9833567eec5146c0566c35702667afb05297df53a836","target":"graph","created_at":"2026-06-03T01:05:07Z","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/2511.04695/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Poly(ethylene terephthalate) (PET), a widely used thermoplastic in packaging, textiles, and engineering applications, is valued for its strength, clarity, and chemical resistance. Increasing environmental impact concerns and regulatory pressures drive the search for alternatives with comparable or superior performance. We present an AI-driven polymer design pipeline employing virtual forward synthesis (VFS) to generate PET-replacement copolymers. Inspired by the esterification route of PET synthesis, we systematically combined a down-selected set of Toxic Substances Control Act (TSCA)-listed m","authors_text":"Akhlak Mahmood, Chiho Kim, Huan Tran, Rampi Ramprasad, Wei Xiong","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.soft","submitted_at":"2025-10-31T15:15:31Z","title":"AI-Driven Design of poly(ethylene terephthalate)-replacement copolymers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2511.04695","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":"sha256:90ed71af2f4d7782c9e24ac16889745cfa27d89e938443ee02c84f2d1c49402b","target":"record","created_at":"2026-06-03T01:05:07Z","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":"11b4251efd2276a70a65ef2d06088fc9f9e94803fcbe8bdbfd84a5d552260cd9","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.soft","submitted_at":"2025-10-31T15:15:31Z","title_canon_sha256":"467be964d7474882cb0211d3d91ccff14d2b78476addfa47598caa2ae360a176"},"schema_version":"1.0","source":{"id":"2511.04695","kind":"arxiv","version":1}},"canonical_sha256":"9060eec2d68d9a7ceafac986c2d09c97985be288ec596d30791970b822caa6e2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9060eec2d68d9a7ceafac986c2d09c97985be288ec596d30791970b822caa6e2","first_computed_at":"2026-06-03T01:05:07.075683Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-03T01:05:07.075683Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5MBwMl8xummbHGVL3xgzttQlXlD3gOtbJDJV2DppsT/tsIzxnmjaeTPXGSyG900K7cImYhpKzKYW4B8zF+rKCw==","signature_status":"signed_v1","signed_at":"2026-06-03T01:05:07.076182Z","signed_message":"canonical_sha256_bytes"},"source_id":"2511.04695","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:90ed71af2f4d7782c9e24ac16889745cfa27d89e938443ee02c84f2d1c49402b","sha256:a0ede05682b75636916c9833567eec5146c0566c35702667afb05297df53a836"],"state_sha256":"7fec7a517ecc480a0017021969f9224c4732dfe894d7cac1a64da49435dd7d47"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wemCtY8vkmcnfOAvZKA4UXIcQBYPytt1fgx8gyJcoKnFZd0tHi+cX2XMxAeruzY7asDa5JlGQ8fWC9dDyqdxDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T07:52:39.402626Z","bundle_sha256":"4ec7741d9c06bd7e871f0329914e35932e1741af8b1ef5e11c50fb0f64b66c5e"}}