{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:CZHVXGD364CJW67TOVRAZADKKE","short_pith_number":"pith:CZHVXGD3","canonical_record":{"source":{"id":"2607.01425","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-07-01T19:41:38Z","cross_cats_sorted":[],"title_canon_sha256":"123e3fed1875121f0d6d90c00845047b38380b4ace2c733444efaf2ea3af7c14","abstract_canon_sha256":"739fa13933a662d0323701ced96c8c88d81e0c647263515f90aca858fd003b0c"},"schema_version":"1.0"},"canonical_sha256":"164f5b987bf7049b7bf375620c806a5122acc0d56735eff81f37bfc56b968a83","source":{"kind":"arxiv","id":"2607.01425","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.01425","created_at":"2026-07-03T00:16:59Z"},{"alias_kind":"arxiv_version","alias_value":"2607.01425v1","created_at":"2026-07-03T00:16:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.01425","created_at":"2026-07-03T00:16:59Z"},{"alias_kind":"pith_short_12","alias_value":"CZHVXGD364CJ","created_at":"2026-07-03T00:16:59Z"},{"alias_kind":"pith_short_16","alias_value":"CZHVXGD364CJW67T","created_at":"2026-07-03T00:16:59Z"},{"alias_kind":"pith_short_8","alias_value":"CZHVXGD3","created_at":"2026-07-03T00:16:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:CZHVXGD364CJW67TOVRAZADKKE","target":"record","payload":{"canonical_record":{"source":{"id":"2607.01425","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-07-01T19:41:38Z","cross_cats_sorted":[],"title_canon_sha256":"123e3fed1875121f0d6d90c00845047b38380b4ace2c733444efaf2ea3af7c14","abstract_canon_sha256":"739fa13933a662d0323701ced96c8c88d81e0c647263515f90aca858fd003b0c"},"schema_version":"1.0"},"canonical_sha256":"164f5b987bf7049b7bf375620c806a5122acc0d56735eff81f37bfc56b968a83","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-03T00:16:59.953824Z","signature_b64":"ygOQkz7qXLQILNwCxgTFLL2LWwiryp5//WRG8fKwPk3IjIol6TjjHjrUR2dQEauSTT8XlyjMgISRpjT6hGPCBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"164f5b987bf7049b7bf375620c806a5122acc0d56735eff81f37bfc56b968a83","last_reissued_at":"2026-07-03T00:16:59.953336Z","signature_status":"signed_v1","first_computed_at":"2026-07-03T00:16:59.953336Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.01425","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":"2026-07-03T00:16:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YAdk3o47K7eibS2epvzAtV6hvh5lHvk6Dudwr6RwYnXvXvoUVImxyLBgauvSL6ZNeo8jvTp/pIo9KGr82ZySCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T07:00:04.152511Z"},"content_sha256":"cd15c3209dbd246d758c864d8e83de67397beaeed95da5ae8f1aa6b09c702e22","schema_version":"1.0","event_id":"sha256:cd15c3209dbd246d758c864d8e83de67397beaeed95da5ae8f1aa6b09c702e22"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:CZHVXGD364CJW67TOVRAZADKKE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Agent4cs: A Multi-agent System for Code Summarization in Large Hierarchical Codebases","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.AI","authors_text":"Doruk Tuncel, Ezgi Sarikayak, Jie M. Zhang, Thomas Runkler, Yongjian Tang","submitted_at":"2026-07-01T19:41:38Z","abstract_excerpt":"Understanding large, complex codebases, especially those with obfuscated structures and incomplete documentation, remains a significant challenge. Existing code summarization solutions often rely on a single language model or coding assistant like Claude Code, and treat source code as flat text, underutilizing the rich interdependencies and hierarchical information within a repository. To address these shortcomings, we propose Agent4cs - a multi-agent framework that summarizes large codebases in a bottom-up fashion, where a summarization agent focuses on producing robust summaries; a keyword-e"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.01425","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/2607.01425/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":"2026-07-03T00:16:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rWokPaQmCd5J3KOVLu7GbKfX4EOfiP3ed9efmdXvhbhk3j3XxADRaBQkL+wWUVo7i0tFHvM0p5ERTXH2vUSlBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T07:00:04.152890Z"},"content_sha256":"26d7e4e466d32b7aa24945e52aaaee9e74327bbec012db1de19883fce42203a5","schema_version":"1.0","event_id":"sha256:26d7e4e466d32b7aa24945e52aaaee9e74327bbec012db1de19883fce42203a5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CZHVXGD364CJW67TOVRAZADKKE/bundle.json","state_url":"https://pith.science/pith/CZHVXGD364CJW67TOVRAZADKKE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CZHVXGD364CJW67TOVRAZADKKE/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":"2026-07-04T07:00:04Z","links":{"resolver":"https://pith.science/pith/CZHVXGD364CJW67TOVRAZADKKE","bundle":"https://pith.science/pith/CZHVXGD364CJW67TOVRAZADKKE/bundle.json","state":"https://pith.science/pith/CZHVXGD364CJW67TOVRAZADKKE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CZHVXGD364CJW67TOVRAZADKKE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:CZHVXGD364CJW67TOVRAZADKKE","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":"739fa13933a662d0323701ced96c8c88d81e0c647263515f90aca858fd003b0c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-07-01T19:41:38Z","title_canon_sha256":"123e3fed1875121f0d6d90c00845047b38380b4ace2c733444efaf2ea3af7c14"},"schema_version":"1.0","source":{"id":"2607.01425","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.01425","created_at":"2026-07-03T00:16:59Z"},{"alias_kind":"arxiv_version","alias_value":"2607.01425v1","created_at":"2026-07-03T00:16:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.01425","created_at":"2026-07-03T00:16:59Z"},{"alias_kind":"pith_short_12","alias_value":"CZHVXGD364CJ","created_at":"2026-07-03T00:16:59Z"},{"alias_kind":"pith_short_16","alias_value":"CZHVXGD364CJW67T","created_at":"2026-07-03T00:16:59Z"},{"alias_kind":"pith_short_8","alias_value":"CZHVXGD3","created_at":"2026-07-03T00:16:59Z"}],"graph_snapshots":[{"event_id":"sha256:26d7e4e466d32b7aa24945e52aaaee9e74327bbec012db1de19883fce42203a5","target":"graph","created_at":"2026-07-03T00:16:59Z","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/2607.01425/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Understanding large, complex codebases, especially those with obfuscated structures and incomplete documentation, remains a significant challenge. Existing code summarization solutions often rely on a single language model or coding assistant like Claude Code, and treat source code as flat text, underutilizing the rich interdependencies and hierarchical information within a repository. To address these shortcomings, we propose Agent4cs - a multi-agent framework that summarizes large codebases in a bottom-up fashion, where a summarization agent focuses on producing robust summaries; a keyword-e","authors_text":"Doruk Tuncel, Ezgi Sarikayak, Jie M. Zhang, Thomas Runkler, Yongjian Tang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-07-01T19:41:38Z","title":"Agent4cs: A Multi-agent System for Code Summarization in Large Hierarchical Codebases"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.01425","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:cd15c3209dbd246d758c864d8e83de67397beaeed95da5ae8f1aa6b09c702e22","target":"record","created_at":"2026-07-03T00:16:59Z","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":"739fa13933a662d0323701ced96c8c88d81e0c647263515f90aca858fd003b0c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-07-01T19:41:38Z","title_canon_sha256":"123e3fed1875121f0d6d90c00845047b38380b4ace2c733444efaf2ea3af7c14"},"schema_version":"1.0","source":{"id":"2607.01425","kind":"arxiv","version":1}},"canonical_sha256":"164f5b987bf7049b7bf375620c806a5122acc0d56735eff81f37bfc56b968a83","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"164f5b987bf7049b7bf375620c806a5122acc0d56735eff81f37bfc56b968a83","first_computed_at":"2026-07-03T00:16:59.953336Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-03T00:16:59.953336Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ygOQkz7qXLQILNwCxgTFLL2LWwiryp5//WRG8fKwPk3IjIol6TjjHjrUR2dQEauSTT8XlyjMgISRpjT6hGPCBA==","signature_status":"signed_v1","signed_at":"2026-07-03T00:16:59.953824Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.01425","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cd15c3209dbd246d758c864d8e83de67397beaeed95da5ae8f1aa6b09c702e22","sha256:26d7e4e466d32b7aa24945e52aaaee9e74327bbec012db1de19883fce42203a5"],"state_sha256":"7aa30b17ea269975e2f0549497067e8da8432c4ea20ce10decf71e7033243e09"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NmLOQ7jujhiJeZBLpaPe6pkoDw/YWizBOBJ/GvUNlgu6ExGul+Cn7TgsuJ4F/GZGNKq8FjoKcbci/U9JEOf7DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-04T07:00:04.154939Z","bundle_sha256":"3232d904fd09da2d2b33350ea75652dc2671fa410e4c06b09ba072a0e7b22c1f"}}