{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:T6Q53TUEB6N75T72DE4RGDTNAZ","short_pith_number":"pith:T6Q53TUE","canonical_record":{"source":{"id":"2607.09889","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-07-10T18:28:21Z","cross_cats_sorted":["cs.AI","cs.CL","cs.NE"],"title_canon_sha256":"3256913d831fb1716ba88f0057a9d11a859f02a95203fb7a0ee422360c004952","abstract_canon_sha256":"6caceab031e67eaaddef5f92f2e0b3473b904219460cc74b28c06660e0519c50"},"schema_version":"1.0"},"canonical_sha256":"9fa1ddce840f9bfecffa1939130e6d067413569f24eb3ca2669c107fd743f5dd","source":{"kind":"arxiv","id":"2607.09889","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.09889","created_at":"2026-07-14T00:18:41Z"},{"alias_kind":"arxiv_version","alias_value":"2607.09889v1","created_at":"2026-07-14T00:18:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.09889","created_at":"2026-07-14T00:18:41Z"},{"alias_kind":"pith_short_12","alias_value":"T6Q53TUEB6N7","created_at":"2026-07-14T00:18:41Z"},{"alias_kind":"pith_short_16","alias_value":"T6Q53TUEB6N75T72","created_at":"2026-07-14T00:18:41Z"},{"alias_kind":"pith_short_8","alias_value":"T6Q53TUE","created_at":"2026-07-14T00:18:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:T6Q53TUEB6N75T72DE4RGDTNAZ","target":"record","payload":{"canonical_record":{"source":{"id":"2607.09889","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-07-10T18:28:21Z","cross_cats_sorted":["cs.AI","cs.CL","cs.NE"],"title_canon_sha256":"3256913d831fb1716ba88f0057a9d11a859f02a95203fb7a0ee422360c004952","abstract_canon_sha256":"6caceab031e67eaaddef5f92f2e0b3473b904219460cc74b28c06660e0519c50"},"schema_version":"1.0"},"canonical_sha256":"9fa1ddce840f9bfecffa1939130e6d067413569f24eb3ca2669c107fd743f5dd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-14T00:18:41.672222Z","signature_b64":"X65pYv8yEVuzkZLTrgYunem/4AdSaKRaGx2UczcrGrAXMuWIElGaeIDuudLZOVSkulzZ8G5tklVFKdo4Fs90Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9fa1ddce840f9bfecffa1939130e6d067413569f24eb3ca2669c107fd743f5dd","last_reissued_at":"2026-07-14T00:18:41.671392Z","signature_status":"signed_v1","first_computed_at":"2026-07-14T00:18:41.671392Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.09889","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":"2026-07-14T00:18:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XWJGNbYMzjRIxJAb01r8VTrO/SXjdzc8VPClKmgK02tl4REVxrn1elm4Mhk8vSPt1iSIc3OmHhCvDzWMFAFRBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T03:02:22.872503Z"},"content_sha256":"97faeaca63261fc1dcca8175e08843b683194b1049423b75f4885021e641b571","schema_version":"1.0","event_id":"sha256:97faeaca63261fc1dcca8175e08843b683194b1049423b75f4885021e641b571"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:T6Q53TUEB6N75T72DE4RGDTNAZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Remembering Distinct Items, Not Tokens: A Learnable Dirichlet-Process Cache Between State-Space Models and Attention","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.AI","cs.CL","cs.NE"],"primary_cat":"cs.LG","authors_text":"Siddharth Pal, Viktoria Rojkova","submitted_at":"2026-07-10T18:28:21Z","abstract_excerpt":"Fixed-state sequence models compress an unbounded past into a bounded state, which caps their associative recall at roughly the state dimension; attention escapes the cap by keeping a key-value entry for every token, at quadratic compute and a cache that grows with the sequence. We study the middle ground: a sparse cache that allocates a slot only when an input is novel, so its size tracks the number of distinct items rather than the number of tokens. The allocation rule is the DP-means clustering rule, the small-variance limit of a Dirichlet-process mixture, used not as latent-variable infere"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.09889","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/2607.09889/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":"2026-07-14T00:18:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3VTPYR7koxkECyq0PO7o8+h/tNmZdPSID+d9WH7cUnDqZuNwEN1dCT25kdZOtzF0F7R174p4CYdasE7cVdi/Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T03:02:22.873016Z"},"content_sha256":"775488471d5c58958d7c13868241e0850ca585bb2eab5620b3148ae974114f2b","schema_version":"1.0","event_id":"sha256:775488471d5c58958d7c13868241e0850ca585bb2eab5620b3148ae974114f2b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/T6Q53TUEB6N75T72DE4RGDTNAZ/bundle.json","state_url":"https://pith.science/pith/T6Q53TUEB6N75T72DE4RGDTNAZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/T6Q53TUEB6N75T72DE4RGDTNAZ/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":"2026-08-09T03:02:22Z","links":{"resolver":"https://pith.science/pith/T6Q53TUEB6N75T72DE4RGDTNAZ","bundle":"https://pith.science/pith/T6Q53TUEB6N75T72DE4RGDTNAZ/bundle.json","state":"https://pith.science/pith/T6Q53TUEB6N75T72DE4RGDTNAZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/T6Q53TUEB6N75T72DE4RGDTNAZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:T6Q53TUEB6N75T72DE4RGDTNAZ","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":"6caceab031e67eaaddef5f92f2e0b3473b904219460cc74b28c06660e0519c50","cross_cats_sorted":["cs.AI","cs.CL","cs.NE"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-07-10T18:28:21Z","title_canon_sha256":"3256913d831fb1716ba88f0057a9d11a859f02a95203fb7a0ee422360c004952"},"schema_version":"1.0","source":{"id":"2607.09889","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.09889","created_at":"2026-07-14T00:18:41Z"},{"alias_kind":"arxiv_version","alias_value":"2607.09889v1","created_at":"2026-07-14T00:18:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.09889","created_at":"2026-07-14T00:18:41Z"},{"alias_kind":"pith_short_12","alias_value":"T6Q53TUEB6N7","created_at":"2026-07-14T00:18:41Z"},{"alias_kind":"pith_short_16","alias_value":"T6Q53TUEB6N75T72","created_at":"2026-07-14T00:18:41Z"},{"alias_kind":"pith_short_8","alias_value":"T6Q53TUE","created_at":"2026-07-14T00:18:41Z"}],"graph_snapshots":[{"event_id":"sha256:775488471d5c58958d7c13868241e0850ca585bb2eab5620b3148ae974114f2b","target":"graph","created_at":"2026-07-14T00:18:41Z","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/2607.09889/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Fixed-state sequence models compress an unbounded past into a bounded state, which caps their associative recall at roughly the state dimension; attention escapes the cap by keeping a key-value entry for every token, at quadratic compute and a cache that grows with the sequence. We study the middle ground: a sparse cache that allocates a slot only when an input is novel, so its size tracks the number of distinct items rather than the number of tokens. The allocation rule is the DP-means clustering rule, the small-variance limit of a Dirichlet-process mixture, used not as latent-variable infere","authors_text":"Siddharth Pal, Viktoria Rojkova","cross_cats":["cs.AI","cs.CL","cs.NE"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-07-10T18:28:21Z","title":"Remembering Distinct Items, Not Tokens: A Learnable Dirichlet-Process Cache Between State-Space Models and Attention"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.09889","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":"sha256:97faeaca63261fc1dcca8175e08843b683194b1049423b75f4885021e641b571","target":"record","created_at":"2026-07-14T00:18:41Z","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":"6caceab031e67eaaddef5f92f2e0b3473b904219460cc74b28c06660e0519c50","cross_cats_sorted":["cs.AI","cs.CL","cs.NE"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-07-10T18:28:21Z","title_canon_sha256":"3256913d831fb1716ba88f0057a9d11a859f02a95203fb7a0ee422360c004952"},"schema_version":"1.0","source":{"id":"2607.09889","kind":"arxiv","version":1}},"canonical_sha256":"9fa1ddce840f9bfecffa1939130e6d067413569f24eb3ca2669c107fd743f5dd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9fa1ddce840f9bfecffa1939130e6d067413569f24eb3ca2669c107fd743f5dd","first_computed_at":"2026-07-14T00:18:41.671392Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-14T00:18:41.671392Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"X65pYv8yEVuzkZLTrgYunem/4AdSaKRaGx2UczcrGrAXMuWIElGaeIDuudLZOVSkulzZ8G5tklVFKdo4Fs90Cw==","signature_status":"signed_v1","signed_at":"2026-07-14T00:18:41.672222Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.09889","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:97faeaca63261fc1dcca8175e08843b683194b1049423b75f4885021e641b571","sha256:775488471d5c58958d7c13868241e0850ca585bb2eab5620b3148ae974114f2b"],"state_sha256":"d9fe37fd7d0e4f3a8c48076392117aed782c445dbd85d6f042ece5ca5f42dadb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BUoWU2021iaZlB5XdcXRv1HGGCx3pxenUHriR8n382SbC4tAtfXbJzRnQk+ReWeCbAWkC6r6wL5P6dj/LnlOAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T03:02:22.883016Z","bundle_sha256":"49015b3d82a8554e526bd5b943740687cbcc6ec98b6946e0b2610b0e3445cf8b"}}