{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:45UQKP2NTSMPYMIWFMCJLFWPAV","short_pith_number":"pith:45UQKP2N","canonical_record":{"source":{"id":"2505.18092","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2025-05-23T16:47:00Z","cross_cats_sorted":[],"title_canon_sha256":"adb34e002a69fb4728f7fabcca8339a652f9f7b168a5293b4b63cda14bfd5794","abstract_canon_sha256":"f4676474049406b730da82b09b43e31164bd201108ba1212e2376038dae34831"},"schema_version":"1.0"},"canonical_sha256":"e769053f4d9c98fc31162b049596cf056b7b61c66a79dc989badba9a4dfa6bef","source":{"kind":"arxiv","id":"2505.18092","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.18092","created_at":"2026-07-05T11:10:09Z"},{"alias_kind":"arxiv_version","alias_value":"2505.18092v2","created_at":"2026-07-05T11:10:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.18092","created_at":"2026-07-05T11:10:09Z"},{"alias_kind":"pith_short_12","alias_value":"45UQKP2NTSMP","created_at":"2026-07-05T11:10:09Z"},{"alias_kind":"pith_short_16","alias_value":"45UQKP2NTSMPYMIW","created_at":"2026-07-05T11:10:09Z"},{"alias_kind":"pith_short_8","alias_value":"45UQKP2N","created_at":"2026-07-05T11:10:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:45UQKP2NTSMPYMIWFMCJLFWPAV","target":"record","payload":{"canonical_record":{"source":{"id":"2505.18092","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2025-05-23T16:47:00Z","cross_cats_sorted":[],"title_canon_sha256":"adb34e002a69fb4728f7fabcca8339a652f9f7b168a5293b4b63cda14bfd5794","abstract_canon_sha256":"f4676474049406b730da82b09b43e31164bd201108ba1212e2376038dae34831"},"schema_version":"1.0"},"canonical_sha256":"e769053f4d9c98fc31162b049596cf056b7b61c66a79dc989badba9a4dfa6bef","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:10:09.713499Z","signature_b64":"f5+BCa9xmTPz9fGsfrkhQeIsl4lUNoV6fkAnj1qzL8zr1fMCnBFgMnCImsvoDF0ELEirXy/WRSqjSZF2vvl2BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e769053f4d9c98fc31162b049596cf056b7b61c66a79dc989badba9a4dfa6bef","last_reissued_at":"2026-07-05T11:10:09.712992Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:10:09.712992Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2505.18092","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T11:10:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OkwjZJoZIesaV9DL4QInwe59De+E3EHKzl/vPwRLtigSevCZQWbBgHtByFCgu8l87u/9e7x36PNTQoxQpcVfDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T02:19:25.996241Z"},"content_sha256":"821c531239fef71473404b9ee4603bac9e88392fcfe78f24ee2760e0461ab192","schema_version":"1.0","event_id":"sha256:821c531239fef71473404b9ee4603bac9e88392fcfe78f24ee2760e0461ab192"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:45UQKP2NTSMPYMIWFMCJLFWPAV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"QwenLong-CPRS: Towards $\\infty$-LLMs with Dynamic Context Optimization","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CL","authors_text":"Bin Yang, Bo Zhang, Chenliang Li, Fanqi Wan, Fei Huang, Gang Fu, Jingren Zhou, Ji Zhang, Ming Yan, Shaopeng Lai, Shengyi Liao, Weizhou Shen, Yingcheng Shi, Yuning Wu, Zhansheng Li","submitted_at":"2025-05-23T16:47:00Z","abstract_excerpt":"This technical report presents QwenLong-CPRS, a context compression framework designed for explicit long-context optimization, addressing prohibitive computation overhead during the prefill stage and the \"lost in the middle\" performance degradation of large language models (LLMs) during long sequence processing. Implemented through a novel dynamic context optimization mechanism, QwenLong-CPRS enables multi-granularity context compression guided by natural language instructions, achieving both efficiency gains and improved performance.\n  Evolved from the Qwen architecture series, QwenLong-CPRS "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.18092","kind":"arxiv","version":2},"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/2505.18092/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":"2026-07-05T11:10:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WSf02DMIZoYJA978Wpl0insAYnpsRcQ2Rxac7dXVi4hDX55rZmLiv9WH3SG9ullNi7sfu19C9MS+OhFIud4uBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T02:19:25.996859Z"},"content_sha256":"227863500da2c7ee24004e4027dbf6f71d30021d2baa22f401c9f8304ebf6be2","schema_version":"1.0","event_id":"sha256:227863500da2c7ee24004e4027dbf6f71d30021d2baa22f401c9f8304ebf6be2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/45UQKP2NTSMPYMIWFMCJLFWPAV/bundle.json","state_url":"https://pith.science/pith/45UQKP2NTSMPYMIWFMCJLFWPAV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/45UQKP2NTSMPYMIWFMCJLFWPAV/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":"2026-08-21T02:19:25Z","links":{"resolver":"https://pith.science/pith/45UQKP2NTSMPYMIWFMCJLFWPAV","bundle":"https://pith.science/pith/45UQKP2NTSMPYMIWFMCJLFWPAV/bundle.json","state":"https://pith.science/pith/45UQKP2NTSMPYMIWFMCJLFWPAV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/45UQKP2NTSMPYMIWFMCJLFWPAV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:45UQKP2NTSMPYMIWFMCJLFWPAV","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":"f4676474049406b730da82b09b43e31164bd201108ba1212e2376038dae34831","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2025-05-23T16:47:00Z","title_canon_sha256":"adb34e002a69fb4728f7fabcca8339a652f9f7b168a5293b4b63cda14bfd5794"},"schema_version":"1.0","source":{"id":"2505.18092","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.18092","created_at":"2026-07-05T11:10:09Z"},{"alias_kind":"arxiv_version","alias_value":"2505.18092v2","created_at":"2026-07-05T11:10:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.18092","created_at":"2026-07-05T11:10:09Z"},{"alias_kind":"pith_short_12","alias_value":"45UQKP2NTSMP","created_at":"2026-07-05T11:10:09Z"},{"alias_kind":"pith_short_16","alias_value":"45UQKP2NTSMPYMIW","created_at":"2026-07-05T11:10:09Z"},{"alias_kind":"pith_short_8","alias_value":"45UQKP2N","created_at":"2026-07-05T11:10:09Z"}],"graph_snapshots":[{"event_id":"sha256:227863500da2c7ee24004e4027dbf6f71d30021d2baa22f401c9f8304ebf6be2","target":"graph","created_at":"2026-07-05T11:10:09Z","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/2505.18092/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This technical report presents QwenLong-CPRS, a context compression framework designed for explicit long-context optimization, addressing prohibitive computation overhead during the prefill stage and the \"lost in the middle\" performance degradation of large language models (LLMs) during long sequence processing. Implemented through a novel dynamic context optimization mechanism, QwenLong-CPRS enables multi-granularity context compression guided by natural language instructions, achieving both efficiency gains and improved performance.\n  Evolved from the Qwen architecture series, QwenLong-CPRS ","authors_text":"Bin Yang, Bo Zhang, Chenliang Li, Fanqi Wan, Fei Huang, Gang Fu, Jingren Zhou, Ji Zhang, Ming Yan, Shaopeng Lai, Shengyi Liao, Weizhou Shen, Yingcheng Shi, Yuning Wu, Zhansheng Li","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2025-05-23T16:47:00Z","title":"QwenLong-CPRS: Towards $\\infty$-LLMs with Dynamic Context Optimization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.18092","kind":"arxiv","version":2},"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":"sha256:821c531239fef71473404b9ee4603bac9e88392fcfe78f24ee2760e0461ab192","target":"record","created_at":"2026-07-05T11:10:09Z","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":"f4676474049406b730da82b09b43e31164bd201108ba1212e2376038dae34831","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2025-05-23T16:47:00Z","title_canon_sha256":"adb34e002a69fb4728f7fabcca8339a652f9f7b168a5293b4b63cda14bfd5794"},"schema_version":"1.0","source":{"id":"2505.18092","kind":"arxiv","version":2}},"canonical_sha256":"e769053f4d9c98fc31162b049596cf056b7b61c66a79dc989badba9a4dfa6bef","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e769053f4d9c98fc31162b049596cf056b7b61c66a79dc989badba9a4dfa6bef","first_computed_at":"2026-07-05T11:10:09.712992Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:10:09.712992Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"f5+BCa9xmTPz9fGsfrkhQeIsl4lUNoV6fkAnj1qzL8zr1fMCnBFgMnCImsvoDF0ELEirXy/WRSqjSZF2vvl2BA==","signature_status":"signed_v1","signed_at":"2026-07-05T11:10:09.713499Z","signed_message":"canonical_sha256_bytes"},"source_id":"2505.18092","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:821c531239fef71473404b9ee4603bac9e88392fcfe78f24ee2760e0461ab192","sha256:227863500da2c7ee24004e4027dbf6f71d30021d2baa22f401c9f8304ebf6be2"],"state_sha256":"7c07c4d30309142686faf8aba7959c853c3f524845df0cb71e9e122b4a756e46"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"16Aa+ME2EPfz9ArHGZiW+ZPw+VdcMtkI9700ER1Z9Su1ITHEamwJ9o/w8OQ66B3dbtKOpoxnlF4yb2mjO1CpCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T02:19:26.001283Z","bundle_sha256":"389fb60c5b8aaec0976e06525d306ca8adda1276ae93333ab7e9aba9f39ff226"}}