{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:JUDBKF6SWFVPQ3XFRAVHEGWQ2A","short_pith_number":"pith:JUDBKF6S","canonical_record":{"source":{"id":"2606.26875","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2026-06-25T11:03:37Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"89c44e69e16641004d89eeab11d5cd5a27ccd6be96cbd8be540ca7b9bdb33329","abstract_canon_sha256":"cddb29694b554c9c1abd92aa9264afa080ba4d1329019dea641c0af1b04db201"},"schema_version":"1.0"},"canonical_sha256":"4d061517d2b16af86ee5882a721ad0d003fb26060df260b36a57b031ca8c0c15","source":{"kind":"arxiv","id":"2606.26875","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.26875","created_at":"2026-06-26T01:16:02Z"},{"alias_kind":"arxiv_version","alias_value":"2606.26875v1","created_at":"2026-06-26T01:16:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.26875","created_at":"2026-06-26T01:16:02Z"},{"alias_kind":"pith_short_12","alias_value":"JUDBKF6SWFVP","created_at":"2026-06-26T01:16:02Z"},{"alias_kind":"pith_short_16","alias_value":"JUDBKF6SWFVPQ3XF","created_at":"2026-06-26T01:16:02Z"},{"alias_kind":"pith_short_8","alias_value":"JUDBKF6S","created_at":"2026-06-26T01:16:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:JUDBKF6SWFVPQ3XFRAVHEGWQ2A","target":"record","payload":{"canonical_record":{"source":{"id":"2606.26875","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2026-06-25T11:03:37Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"89c44e69e16641004d89eeab11d5cd5a27ccd6be96cbd8be540ca7b9bdb33329","abstract_canon_sha256":"cddb29694b554c9c1abd92aa9264afa080ba4d1329019dea641c0af1b04db201"},"schema_version":"1.0"},"canonical_sha256":"4d061517d2b16af86ee5882a721ad0d003fb26060df260b36a57b031ca8c0c15","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-26T01:16:02.597561Z","signature_b64":"p8xyaY5nzL7xqionV00czqs4pJRT/WF8N68k6UWa0oYb39MtRQsynYxrKNCALeTVAJgaFpbCUbq0TwDWmOo4Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4d061517d2b16af86ee5882a721ad0d003fb26060df260b36a57b031ca8c0c15","last_reissued_at":"2026-06-26T01:16:02.597141Z","signature_status":"signed_v1","first_computed_at":"2026-06-26T01:16:02.597141Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.26875","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":"2026-06-26T01:16:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"j6OJp3hMpDQduw1gEkLMat/7XUdFEzG0TXR/bz/RnkRtfuCgRKMv3OcyXWYWyztPg+1p1i29xmFKAosYhnuCDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T21:24:24.940416Z"},"content_sha256":"ac1f85df513e50946e54a735f51f2f945a831102b19c418d4813189ceea902cd","schema_version":"1.0","event_id":"sha256:ac1f85df513e50946e54a735f51f2f945a831102b19c418d4813189ceea902cd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:JUDBKF6SWFVPQ3XFRAVHEGWQ2A","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Information-Aware KV Cache Compression for Long Reasoning","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.CL","authors_text":"Alexandra Birch, Jushi Kai, Zhouhan Lin, Zhuiri Xiao","submitted_at":"2026-06-25T11:03:37Z","abstract_excerpt":"Reasoning capability has advanced rapidly in large language models (LLMs), leading to an increasing size of key-value (KV) cache in both prefilling and decoding stages. Existing KV cache compression methods mainly rely on attention weights to estimate token importance. While attention effectively captures contextual relevance, it overlooks complementary information-theoretic signals related to predictive uncertainty and token informativeness. In this paper, we revisit token importance from a forward-looking perspective and introduce \\textit{Forward Influence}, a metric that measures how compre"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.26875","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/2606.26875/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":"2026-06-26T01:16:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Z8a9evtc6mSRCGdP/41PReOFj8FR3irfQPliucGXdvCKjp0pPq1NH984JcPjWLExDQxbb/qRDo6IswL/PGxsAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T21:24:24.940908Z"},"content_sha256":"6d5834882283dc063879cfb8676ebd1ccf77bf5cd342e55127c492e4f2649154","schema_version":"1.0","event_id":"sha256:6d5834882283dc063879cfb8676ebd1ccf77bf5cd342e55127c492e4f2649154"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JUDBKF6SWFVPQ3XFRAVHEGWQ2A/bundle.json","state_url":"https://pith.science/pith/JUDBKF6SWFVPQ3XFRAVHEGWQ2A/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JUDBKF6SWFVPQ3XFRAVHEGWQ2A/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":"2026-08-04T21:24:24Z","links":{"resolver":"https://pith.science/pith/JUDBKF6SWFVPQ3XFRAVHEGWQ2A","bundle":"https://pith.science/pith/JUDBKF6SWFVPQ3XFRAVHEGWQ2A/bundle.json","state":"https://pith.science/pith/JUDBKF6SWFVPQ3XFRAVHEGWQ2A/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JUDBKF6SWFVPQ3XFRAVHEGWQ2A/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:JUDBKF6SWFVPQ3XFRAVHEGWQ2A","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":"cddb29694b554c9c1abd92aa9264afa080ba4d1329019dea641c0af1b04db201","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2026-06-25T11:03:37Z","title_canon_sha256":"89c44e69e16641004d89eeab11d5cd5a27ccd6be96cbd8be540ca7b9bdb33329"},"schema_version":"1.0","source":{"id":"2606.26875","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.26875","created_at":"2026-06-26T01:16:02Z"},{"alias_kind":"arxiv_version","alias_value":"2606.26875v1","created_at":"2026-06-26T01:16:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.26875","created_at":"2026-06-26T01:16:02Z"},{"alias_kind":"pith_short_12","alias_value":"JUDBKF6SWFVP","created_at":"2026-06-26T01:16:02Z"},{"alias_kind":"pith_short_16","alias_value":"JUDBKF6SWFVPQ3XF","created_at":"2026-06-26T01:16:02Z"},{"alias_kind":"pith_short_8","alias_value":"JUDBKF6S","created_at":"2026-06-26T01:16:02Z"}],"graph_snapshots":[{"event_id":"sha256:6d5834882283dc063879cfb8676ebd1ccf77bf5cd342e55127c492e4f2649154","target":"graph","created_at":"2026-06-26T01:16:02Z","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/2606.26875/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Reasoning capability has advanced rapidly in large language models (LLMs), leading to an increasing size of key-value (KV) cache in both prefilling and decoding stages. Existing KV cache compression methods mainly rely on attention weights to estimate token importance. While attention effectively captures contextual relevance, it overlooks complementary information-theoretic signals related to predictive uncertainty and token informativeness. In this paper, we revisit token importance from a forward-looking perspective and introduce \\textit{Forward Influence}, a metric that measures how compre","authors_text":"Alexandra Birch, Jushi Kai, Zhouhan Lin, Zhuiri Xiao","cross_cats":["cs.AI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2026-06-25T11:03:37Z","title":"Information-Aware KV Cache Compression for Long Reasoning"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.26875","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:ac1f85df513e50946e54a735f51f2f945a831102b19c418d4813189ceea902cd","target":"record","created_at":"2026-06-26T01:16:02Z","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":"cddb29694b554c9c1abd92aa9264afa080ba4d1329019dea641c0af1b04db201","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2026-06-25T11:03:37Z","title_canon_sha256":"89c44e69e16641004d89eeab11d5cd5a27ccd6be96cbd8be540ca7b9bdb33329"},"schema_version":"1.0","source":{"id":"2606.26875","kind":"arxiv","version":1}},"canonical_sha256":"4d061517d2b16af86ee5882a721ad0d003fb26060df260b36a57b031ca8c0c15","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4d061517d2b16af86ee5882a721ad0d003fb26060df260b36a57b031ca8c0c15","first_computed_at":"2026-06-26T01:16:02.597141Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-26T01:16:02.597141Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"p8xyaY5nzL7xqionV00czqs4pJRT/WF8N68k6UWa0oYb39MtRQsynYxrKNCALeTVAJgaFpbCUbq0TwDWmOo4Dw==","signature_status":"signed_v1","signed_at":"2026-06-26T01:16:02.597561Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.26875","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ac1f85df513e50946e54a735f51f2f945a831102b19c418d4813189ceea902cd","sha256:6d5834882283dc063879cfb8676ebd1ccf77bf5cd342e55127c492e4f2649154"],"state_sha256":"0b10293a6d12fb7f9becfbc921a09a9acd5b7ade013fd1743849e216d579dea0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AToFz905JI2XXMg2xudGH/vaksJe/D9K2IzUygGejEA7IdVTfczuWSbR5pP6VddBRkle69q+kQD1wRlsFnogAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T21:24:24.944911Z","bundle_sha256":"88995b856c45e8cec04e085f40d7130f6e276a5151035f0427e205ffa7254cc3"}}