{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:RPSSJYZTUJL45LBNBTSI7DP55R","short_pith_number":"pith:RPSSJYZT","canonical_record":{"source":{"id":"2508.11925","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2025-08-16T06:11:29Z","cross_cats_sorted":["cs.CL","cs.LG"],"title_canon_sha256":"9eab072aa8df1c5bcd12467c06b5e9f4d6f11a1de5a9befe5872e35f63cca6e3","abstract_canon_sha256":"c142dc591532b6a84583552542eec4ce4a1040c95059be1f635716c5a8849dae"},"schema_version":"1.0"},"canonical_sha256":"8be524e333a257ceac2d0ce48f8dfdec572f59015b752332395a39c5b2a365e2","source":{"kind":"arxiv","id":"2508.11925","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.11925","created_at":"2026-05-26T02:03:53Z"},{"alias_kind":"arxiv_version","alias_value":"2508.11925v3","created_at":"2026-05-26T02:03:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.11925","created_at":"2026-05-26T02:03:53Z"},{"alias_kind":"pith_short_12","alias_value":"RPSSJYZTUJL4","created_at":"2026-05-26T02:03:53Z"},{"alias_kind":"pith_short_16","alias_value":"RPSSJYZTUJL45LBN","created_at":"2026-05-26T02:03:53Z"},{"alias_kind":"pith_short_8","alias_value":"RPSSJYZT","created_at":"2026-05-26T02:03:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:RPSSJYZTUJL45LBNBTSI7DP55R","target":"record","payload":{"canonical_record":{"source":{"id":"2508.11925","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2025-08-16T06:11:29Z","cross_cats_sorted":["cs.CL","cs.LG"],"title_canon_sha256":"9eab072aa8df1c5bcd12467c06b5e9f4d6f11a1de5a9befe5872e35f63cca6e3","abstract_canon_sha256":"c142dc591532b6a84583552542eec4ce4a1040c95059be1f635716c5a8849dae"},"schema_version":"1.0"},"canonical_sha256":"8be524e333a257ceac2d0ce48f8dfdec572f59015b752332395a39c5b2a365e2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-26T02:03:53.597687Z","signature_b64":"xx3YjQVotUxBnRU5UmSLfpC7Y9HfAs/CGUCNA8Dz1B9VdEMe0iI9A09rt0LJt6zuLmhiK7MiEV1nNpxJqMbOBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8be524e333a257ceac2d0ce48f8dfdec572f59015b752332395a39c5b2a365e2","last_reissued_at":"2026-05-26T02:03:53.596801Z","signature_status":"signed_v1","first_computed_at":"2026-05-26T02:03:53.596801Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2508.11925","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-26T02:03:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"S7gDNQ6qFdpTLkC3UR30gMOqajcieScBSi1JeBNai3WazO/xF2glcqDgJWwWG+pi4VaWNpiPWcdhXam3lBQSDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T06:46:58.900354Z"},"content_sha256":"29c455c643c750d6d9e8d78a9c92cde8074bfff44c2d39c01a6e33abefa270c9","schema_version":"1.0","event_id":"sha256:29c455c643c750d6d9e8d78a9c92cde8074bfff44c2d39c01a6e33abefa270c9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:RPSSJYZTUJL45LBNBTSI7DP55R","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optimizing Token Choice for Code Watermarking: An RL Approach","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CL","cs.LG"],"primary_cat":"cs.CR","authors_text":"Hangfan Zhang, Huaisheng Zhu, Minhao Cheng, Siyuan Xu, Teng Xiao, Zhimeng Guo","submitted_at":"2025-08-16T06:11:29Z","abstract_excerpt":"Protecting intellectual property on LLM-generated code necessitates effective watermarking systems that can operate within code's highly structured, syntactically constrained nature. In this work, we introduce CodeTracer, an innovative adaptive code watermarking framework underpinned by a novel reinforcement learning training paradigm. At its core, CodeTracer features a policy-driven approach that utilizes a parameterized model to intelligently bias token choices during next-token prediction. This strategy ensures that embedded watermarks maintain code functionality while exhibiting subtle yet"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.11925","kind":"arxiv","version":3},"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/2508.11925/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":"2026-05-26T02:03:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2BfeMl47XqlrtS8Z/CzCrruVjgRgSjtuXeceYeYcf87JbKzfQDGhTpKtM3Z51cS4AB9a6ECKgbKTWirhcnwNDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T06:46:58.900745Z"},"content_sha256":"59b508220c9845bc8418a30da62e74d7ab90507bedcb3f60c621d1de3a50b4e3","schema_version":"1.0","event_id":"sha256:59b508220c9845bc8418a30da62e74d7ab90507bedcb3f60c621d1de3a50b4e3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RPSSJYZTUJL45LBNBTSI7DP55R/bundle.json","state_url":"https://pith.science/pith/RPSSJYZTUJL45LBNBTSI7DP55R/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RPSSJYZTUJL45LBNBTSI7DP55R/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":"2026-05-28T06:46:58Z","links":{"resolver":"https://pith.science/pith/RPSSJYZTUJL45LBNBTSI7DP55R","bundle":"https://pith.science/pith/RPSSJYZTUJL45LBNBTSI7DP55R/bundle.json","state":"https://pith.science/pith/RPSSJYZTUJL45LBNBTSI7DP55R/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RPSSJYZTUJL45LBNBTSI7DP55R/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:RPSSJYZTUJL45LBNBTSI7DP55R","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":"c142dc591532b6a84583552542eec4ce4a1040c95059be1f635716c5a8849dae","cross_cats_sorted":["cs.CL","cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2025-08-16T06:11:29Z","title_canon_sha256":"9eab072aa8df1c5bcd12467c06b5e9f4d6f11a1de5a9befe5872e35f63cca6e3"},"schema_version":"1.0","source":{"id":"2508.11925","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.11925","created_at":"2026-05-26T02:03:53Z"},{"alias_kind":"arxiv_version","alias_value":"2508.11925v3","created_at":"2026-05-26T02:03:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.11925","created_at":"2026-05-26T02:03:53Z"},{"alias_kind":"pith_short_12","alias_value":"RPSSJYZTUJL4","created_at":"2026-05-26T02:03:53Z"},{"alias_kind":"pith_short_16","alias_value":"RPSSJYZTUJL45LBN","created_at":"2026-05-26T02:03:53Z"},{"alias_kind":"pith_short_8","alias_value":"RPSSJYZT","created_at":"2026-05-26T02:03:53Z"}],"graph_snapshots":[{"event_id":"sha256:59b508220c9845bc8418a30da62e74d7ab90507bedcb3f60c621d1de3a50b4e3","target":"graph","created_at":"2026-05-26T02:03:53Z","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/2508.11925/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Protecting intellectual property on LLM-generated code necessitates effective watermarking systems that can operate within code's highly structured, syntactically constrained nature. In this work, we introduce CodeTracer, an innovative adaptive code watermarking framework underpinned by a novel reinforcement learning training paradigm. At its core, CodeTracer features a policy-driven approach that utilizes a parameterized model to intelligently bias token choices during next-token prediction. This strategy ensures that embedded watermarks maintain code functionality while exhibiting subtle yet","authors_text":"Hangfan Zhang, Huaisheng Zhu, Minhao Cheng, Siyuan Xu, Teng Xiao, Zhimeng Guo","cross_cats":["cs.CL","cs.LG"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2025-08-16T06:11:29Z","title":"Optimizing Token Choice for Code Watermarking: An RL Approach"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.11925","kind":"arxiv","version":3},"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":"sha256:29c455c643c750d6d9e8d78a9c92cde8074bfff44c2d39c01a6e33abefa270c9","target":"record","created_at":"2026-05-26T02:03:53Z","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":"c142dc591532b6a84583552542eec4ce4a1040c95059be1f635716c5a8849dae","cross_cats_sorted":["cs.CL","cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2025-08-16T06:11:29Z","title_canon_sha256":"9eab072aa8df1c5bcd12467c06b5e9f4d6f11a1de5a9befe5872e35f63cca6e3"},"schema_version":"1.0","source":{"id":"2508.11925","kind":"arxiv","version":3}},"canonical_sha256":"8be524e333a257ceac2d0ce48f8dfdec572f59015b752332395a39c5b2a365e2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8be524e333a257ceac2d0ce48f8dfdec572f59015b752332395a39c5b2a365e2","first_computed_at":"2026-05-26T02:03:53.596801Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-26T02:03:53.596801Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xx3YjQVotUxBnRU5UmSLfpC7Y9HfAs/CGUCNA8Dz1B9VdEMe0iI9A09rt0LJt6zuLmhiK7MiEV1nNpxJqMbOBg==","signature_status":"signed_v1","signed_at":"2026-05-26T02:03:53.597687Z","signed_message":"canonical_sha256_bytes"},"source_id":"2508.11925","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:29c455c643c750d6d9e8d78a9c92cde8074bfff44c2d39c01a6e33abefa270c9","sha256:59b508220c9845bc8418a30da62e74d7ab90507bedcb3f60c621d1de3a50b4e3"],"state_sha256":"80860d6122f621a423f79e2d11540ec0856eec47bfd0942415ffb1f597d0ef9a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PU8Su3c7QDZPc2YfxOnbvGIYBrrHRY+mE7sbRhTOWClxYeJlm/97YFZ0DvMvxnQDkvLgit6E+DmRnDODGv6gDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T06:46:58.902895Z","bundle_sha256":"0ad74842e462885b401d7888314b9311cd8f25bb4b309a468f6f35d40130e049"}}