{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:PIZ4AKPCBYJP3S7SHAXIIELVZI","short_pith_number":"pith:PIZ4AKPC","canonical_record":{"source":{"id":"2607.16019","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-07-17T14:55:34Z","cross_cats_sorted":[],"title_canon_sha256":"1b90be66ed60cf82ca2bd72689701e2cc7d2ce240a0f76f723437816d60c3754","abstract_canon_sha256":"43b49a2539df8f56cb2bdf91526128e18a0b9bbe7c7bbe365649f071d273118c"},"schema_version":"1.0"},"canonical_sha256":"7a33c029e20e12fdcbf2382e841175ca035868c0854ef90b07406e26a3bf7df6","source":{"kind":"arxiv","id":"2607.16019","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.16019","created_at":"2026-07-20T02:19:26Z"},{"alias_kind":"arxiv_version","alias_value":"2607.16019v1","created_at":"2026-07-20T02:19:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.16019","created_at":"2026-07-20T02:19:26Z"},{"alias_kind":"pith_short_12","alias_value":"PIZ4AKPCBYJP","created_at":"2026-07-20T02:19:26Z"},{"alias_kind":"pith_short_16","alias_value":"PIZ4AKPCBYJP3S7S","created_at":"2026-07-20T02:19:26Z"},{"alias_kind":"pith_short_8","alias_value":"PIZ4AKPC","created_at":"2026-07-20T02:19:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:PIZ4AKPCBYJP3S7SHAXIIELVZI","target":"record","payload":{"canonical_record":{"source":{"id":"2607.16019","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-07-17T14:55:34Z","cross_cats_sorted":[],"title_canon_sha256":"1b90be66ed60cf82ca2bd72689701e2cc7d2ce240a0f76f723437816d60c3754","abstract_canon_sha256":"43b49a2539df8f56cb2bdf91526128e18a0b9bbe7c7bbe365649f071d273118c"},"schema_version":"1.0"},"canonical_sha256":"7a33c029e20e12fdcbf2382e841175ca035868c0854ef90b07406e26a3bf7df6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-20T02:19:26.592418Z","signature_b64":"OnabLarB7+PkIoJs3dP/SmkHKRRv7wImY67rLWp+7jNE/W1DPKaWa8Z0PCpdzekAIAn3GKFC886e4Firb1H6CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7a33c029e20e12fdcbf2382e841175ca035868c0854ef90b07406e26a3bf7df6","last_reissued_at":"2026-07-20T02:19:26.591537Z","signature_status":"signed_v1","first_computed_at":"2026-07-20T02:19:26.591537Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.16019","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":"2026-07-20T02:19:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"y3/lTZFYUeEPJm/Y/SXhqtnqCVb1BFiZiWOBOicrB/vFQsknLnWOw25pziP6TipnnNHohTwxeF6VkgEUNNePBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T09:10:50.992960Z"},"content_sha256":"0bbd0c9d46fb826ef96815f119ebca8ef5b766aee630c76ee982479878e04879","schema_version":"1.0","event_id":"sha256:0bbd0c9d46fb826ef96815f119ebca8ef5b766aee630c76ee982479878e04879"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:PIZ4AKPCBYJP3S7SHAXIIELVZI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Presentation, Not Mechanism: A Render Confound in Deprecation-Aware Memory Evaluation","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.LG","authors_text":"Fei Teng, Honghan Wu, Jiacong Mi, Xuanqi Peng, Yunsoo Kim, Zhaoyang Jiang, Zhizhong Fu, Zicheng Li","submitted_at":"2026-07-17T14:55:34Z","abstract_excerpt":"AI systems increasingly retrieve from records that revise themselves: issue threads, encyclopedic histories, policy logs, and long conversations. The challenge is not only finding relevant evidence, but deciding which claims remain in force, which were superseded, and when to abstain. Structured memories promise to solve this with typed edges, temporal updates, and conflict status, yet evaluations often change mechanism and prompt presentation together. We study this as Evidence-State Revision, comparing flat retrieval, coarse edge invalidation, and fine-grained RevisionLedger on 2,907 high-ag"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.16019","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/2607.16019/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":"2026-07-20T02:19:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"k22HXPLRUfxSrUkOc8ov2LDFbjC7fhNyxbojBSzr4UFWwHvJVoU/M0LsHtEWMguYxHd+RTvHtedpkiy2IgpBDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T09:10:50.993502Z"},"content_sha256":"de748e263673c6e7b56227c25f42cbb2b5f11a53d2b9186d61a1b335cd70f3be","schema_version":"1.0","event_id":"sha256:de748e263673c6e7b56227c25f42cbb2b5f11a53d2b9186d61a1b335cd70f3be"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PIZ4AKPCBYJP3S7SHAXIIELVZI/bundle.json","state_url":"https://pith.science/pith/PIZ4AKPCBYJP3S7SHAXIIELVZI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PIZ4AKPCBYJP3S7SHAXIIELVZI/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":"2026-08-04T09:10:50Z","links":{"resolver":"https://pith.science/pith/PIZ4AKPCBYJP3S7SHAXIIELVZI","bundle":"https://pith.science/pith/PIZ4AKPCBYJP3S7SHAXIIELVZI/bundle.json","state":"https://pith.science/pith/PIZ4AKPCBYJP3S7SHAXIIELVZI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PIZ4AKPCBYJP3S7SHAXIIELVZI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:PIZ4AKPCBYJP3S7SHAXIIELVZI","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":"43b49a2539df8f56cb2bdf91526128e18a0b9bbe7c7bbe365649f071d273118c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-07-17T14:55:34Z","title_canon_sha256":"1b90be66ed60cf82ca2bd72689701e2cc7d2ce240a0f76f723437816d60c3754"},"schema_version":"1.0","source":{"id":"2607.16019","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.16019","created_at":"2026-07-20T02:19:26Z"},{"alias_kind":"arxiv_version","alias_value":"2607.16019v1","created_at":"2026-07-20T02:19:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.16019","created_at":"2026-07-20T02:19:26Z"},{"alias_kind":"pith_short_12","alias_value":"PIZ4AKPCBYJP","created_at":"2026-07-20T02:19:26Z"},{"alias_kind":"pith_short_16","alias_value":"PIZ4AKPCBYJP3S7S","created_at":"2026-07-20T02:19:26Z"},{"alias_kind":"pith_short_8","alias_value":"PIZ4AKPC","created_at":"2026-07-20T02:19:26Z"}],"graph_snapshots":[{"event_id":"sha256:de748e263673c6e7b56227c25f42cbb2b5f11a53d2b9186d61a1b335cd70f3be","target":"graph","created_at":"2026-07-20T02:19:26Z","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/2607.16019/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"AI systems increasingly retrieve from records that revise themselves: issue threads, encyclopedic histories, policy logs, and long conversations. The challenge is not only finding relevant evidence, but deciding which claims remain in force, which were superseded, and when to abstain. Structured memories promise to solve this with typed edges, temporal updates, and conflict status, yet evaluations often change mechanism and prompt presentation together. We study this as Evidence-State Revision, comparing flat retrieval, coarse edge invalidation, and fine-grained RevisionLedger on 2,907 high-ag","authors_text":"Fei Teng, Honghan Wu, Jiacong Mi, Xuanqi Peng, Yunsoo Kim, Zhaoyang Jiang, Zhizhong Fu, Zicheng Li","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-07-17T14:55:34Z","title":"Presentation, Not Mechanism: A Render Confound in Deprecation-Aware Memory Evaluation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.16019","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":"sha256:0bbd0c9d46fb826ef96815f119ebca8ef5b766aee630c76ee982479878e04879","target":"record","created_at":"2026-07-20T02:19:26Z","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":"43b49a2539df8f56cb2bdf91526128e18a0b9bbe7c7bbe365649f071d273118c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-07-17T14:55:34Z","title_canon_sha256":"1b90be66ed60cf82ca2bd72689701e2cc7d2ce240a0f76f723437816d60c3754"},"schema_version":"1.0","source":{"id":"2607.16019","kind":"arxiv","version":1}},"canonical_sha256":"7a33c029e20e12fdcbf2382e841175ca035868c0854ef90b07406e26a3bf7df6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7a33c029e20e12fdcbf2382e841175ca035868c0854ef90b07406e26a3bf7df6","first_computed_at":"2026-07-20T02:19:26.591537Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-20T02:19:26.591537Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OnabLarB7+PkIoJs3dP/SmkHKRRv7wImY67rLWp+7jNE/W1DPKaWa8Z0PCpdzekAIAn3GKFC886e4Firb1H6CA==","signature_status":"signed_v1","signed_at":"2026-07-20T02:19:26.592418Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.16019","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0bbd0c9d46fb826ef96815f119ebca8ef5b766aee630c76ee982479878e04879","sha256:de748e263673c6e7b56227c25f42cbb2b5f11a53d2b9186d61a1b335cd70f3be"],"state_sha256":"f6d6e36d42d5ec4610e2308b336cdafa68fd3f4d2071718c5f604e062d31d646"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0947hya2rLRkAjgxBPGO6HRE9WcjpJeJfiaIqPkcDcOq3xCOEbztx0mcPAvuXwBAJxIqwkIwqSNJ2BxTS1DyDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T09:10:50.997195Z","bundle_sha256":"ba3e0c7dbf2260bf57dc877f326cf4cfd8eacc2075dc7c2622d4c2dadbd103d3"}}