{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:Q27HTILK2X5FC7XVJBQXLRKL5J","short_pith_number":"pith:Q27HTILK","canonical_record":{"source":{"id":"2606.01635","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2026-06-01T03:40:35Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"c1f02f6e8893deb6de5acd557b95e6bf6051faa57e19a39f283ecd8d20280708","abstract_canon_sha256":"d531e8220900e1cc81517d310d87946db9678919eb7338b0451246e5163c2da4"},"schema_version":"1.0"},"canonical_sha256":"86be79a16ad5fa517ef5486175c54bea5f7a66147b667ebbd1de8ee993f93a11","source":{"kind":"arxiv","id":"2606.01635","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.01635","created_at":"2026-06-02T02:04:38Z"},{"alias_kind":"arxiv_version","alias_value":"2606.01635v1","created_at":"2026-06-02T02:04:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.01635","created_at":"2026-06-02T02:04:38Z"},{"alias_kind":"pith_short_12","alias_value":"Q27HTILK2X5F","created_at":"2026-06-02T02:04:38Z"},{"alias_kind":"pith_short_16","alias_value":"Q27HTILK2X5FC7XV","created_at":"2026-06-02T02:04:38Z"},{"alias_kind":"pith_short_8","alias_value":"Q27HTILK","created_at":"2026-06-02T02:04:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:Q27HTILK2X5FC7XVJBQXLRKL5J","target":"record","payload":{"canonical_record":{"source":{"id":"2606.01635","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2026-06-01T03:40:35Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"c1f02f6e8893deb6de5acd557b95e6bf6051faa57e19a39f283ecd8d20280708","abstract_canon_sha256":"d531e8220900e1cc81517d310d87946db9678919eb7338b0451246e5163c2da4"},"schema_version":"1.0"},"canonical_sha256":"86be79a16ad5fa517ef5486175c54bea5f7a66147b667ebbd1de8ee993f93a11","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-02T02:04:38.642117Z","signature_b64":"YqACOkxd26wqUetsVe5Gj+HZbktowqrXBdAckk8govO1TukLMTrCfp7PvwxhUQjbiSkGDMfOjf48xW2mfWEWDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"86be79a16ad5fa517ef5486175c54bea5f7a66147b667ebbd1de8ee993f93a11","last_reissued_at":"2026-06-02T02:04:38.641748Z","signature_status":"signed_v1","first_computed_at":"2026-06-02T02:04:38.641748Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.01635","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":"2026-06-02T02:04:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8LQ3riDOqKsSddrE/fA42ZeUoqk7fDK8nsO31z8CX9RPPwCLob9BZkq/S0GgoUvlUCaDi5w6iNbYgIrYuS2RCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T08:18:22.444901Z"},"content_sha256":"436d323a5cb4613fde659f9879d45a5de64cc356b9dfd3e746a1e623da238ca2","schema_version":"1.0","event_id":"sha256:436d323a5cb4613fde659f9879d45a5de64cc356b9dfd3e746a1e623da238ca2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:Q27HTILK2X5FC7XVJBQXLRKL5J","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"AlphaToken: Decoupling Adaptation and Stability for Path-Aware Response Token Valuation in LLM Post-Training","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.CL","authors_text":"Liu Qing, Ou Wu, Yi Du","submitted_at":"2026-06-01T03:40:35Z","abstract_excerpt":"Token selection is pivotal for effective LLM post-training. However, existing methods mostly rely on local heuristics and rarely formulate token selection as a principled valuation of individual response tokens. We introduce $\\textbf{AlphaToken}$, a response token valuation framework that decouples valuation into $\\textbf{adaptation}$ (promoting target-task learning) and $\\textbf{stability}$ (preserving pre-trained capabilities), and makes each objective $\\textbf{path-aware}$ by combining the direct-path signal from local token gradients with the downstream causal-path signal in autoregressive"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.01635","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/2606.01635/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":"2026-06-02T02:04:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"S5zQTKIijENtmE15ka7dVHAROcze81/Lr3cbCwBidSm36ZjPSQ1Nv0thwvaILD6bOao2embVyPgcmjX+M1zgAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T08:18:22.445744Z"},"content_sha256":"c714d03553fe8203bfc10d5a1c82ec4637c71a22d3f5f2802152a76468de154d","schema_version":"1.0","event_id":"sha256:c714d03553fe8203bfc10d5a1c82ec4637c71a22d3f5f2802152a76468de154d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Q27HTILK2X5FC7XVJBQXLRKL5J/bundle.json","state_url":"https://pith.science/pith/Q27HTILK2X5FC7XVJBQXLRKL5J/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Q27HTILK2X5FC7XVJBQXLRKL5J/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":"2026-06-09T08:18:22Z","links":{"resolver":"https://pith.science/pith/Q27HTILK2X5FC7XVJBQXLRKL5J","bundle":"https://pith.science/pith/Q27HTILK2X5FC7XVJBQXLRKL5J/bundle.json","state":"https://pith.science/pith/Q27HTILK2X5FC7XVJBQXLRKL5J/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Q27HTILK2X5FC7XVJBQXLRKL5J/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:Q27HTILK2X5FC7XVJBQXLRKL5J","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":"d531e8220900e1cc81517d310d87946db9678919eb7338b0451246e5163c2da4","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2026-06-01T03:40:35Z","title_canon_sha256":"c1f02f6e8893deb6de5acd557b95e6bf6051faa57e19a39f283ecd8d20280708"},"schema_version":"1.0","source":{"id":"2606.01635","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.01635","created_at":"2026-06-02T02:04:38Z"},{"alias_kind":"arxiv_version","alias_value":"2606.01635v1","created_at":"2026-06-02T02:04:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.01635","created_at":"2026-06-02T02:04:38Z"},{"alias_kind":"pith_short_12","alias_value":"Q27HTILK2X5F","created_at":"2026-06-02T02:04:38Z"},{"alias_kind":"pith_short_16","alias_value":"Q27HTILK2X5FC7XV","created_at":"2026-06-02T02:04:38Z"},{"alias_kind":"pith_short_8","alias_value":"Q27HTILK","created_at":"2026-06-02T02:04:38Z"}],"graph_snapshots":[{"event_id":"sha256:c714d03553fe8203bfc10d5a1c82ec4637c71a22d3f5f2802152a76468de154d","target":"graph","created_at":"2026-06-02T02:04:38Z","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/2606.01635/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Token selection is pivotal for effective LLM post-training. However, existing methods mostly rely on local heuristics and rarely formulate token selection as a principled valuation of individual response tokens. We introduce $\\textbf{AlphaToken}$, a response token valuation framework that decouples valuation into $\\textbf{adaptation}$ (promoting target-task learning) and $\\textbf{stability}$ (preserving pre-trained capabilities), and makes each objective $\\textbf{path-aware}$ by combining the direct-path signal from local token gradients with the downstream causal-path signal in autoregressive","authors_text":"Liu Qing, Ou Wu, Yi Du","cross_cats":["cs.AI"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2026-06-01T03:40:35Z","title":"AlphaToken: Decoupling Adaptation and Stability for Path-Aware Response Token Valuation in LLM Post-Training"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.01635","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":"sha256:436d323a5cb4613fde659f9879d45a5de64cc356b9dfd3e746a1e623da238ca2","target":"record","created_at":"2026-06-02T02:04:38Z","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":"d531e8220900e1cc81517d310d87946db9678919eb7338b0451246e5163c2da4","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2026-06-01T03:40:35Z","title_canon_sha256":"c1f02f6e8893deb6de5acd557b95e6bf6051faa57e19a39f283ecd8d20280708"},"schema_version":"1.0","source":{"id":"2606.01635","kind":"arxiv","version":1}},"canonical_sha256":"86be79a16ad5fa517ef5486175c54bea5f7a66147b667ebbd1de8ee993f93a11","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"86be79a16ad5fa517ef5486175c54bea5f7a66147b667ebbd1de8ee993f93a11","first_computed_at":"2026-06-02T02:04:38.641748Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-02T02:04:38.641748Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YqACOkxd26wqUetsVe5Gj+HZbktowqrXBdAckk8govO1TukLMTrCfp7PvwxhUQjbiSkGDMfOjf48xW2mfWEWDg==","signature_status":"signed_v1","signed_at":"2026-06-02T02:04:38.642117Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.01635","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:436d323a5cb4613fde659f9879d45a5de64cc356b9dfd3e746a1e623da238ca2","sha256:c714d03553fe8203bfc10d5a1c82ec4637c71a22d3f5f2802152a76468de154d"],"state_sha256":"7e2f4ef8b4f50b0826c1f22dffb70820caf24bf31e50354a8370c4b06a7c575e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G+TIAOm+2cSM686J6HFCZMQ0QCyeilns3c/iDFfY4EipTgSlTNR8KKr1YIUHhINoraNQZ3QV8G2GP7qMBbgtAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T08:18:22.450060Z","bundle_sha256":"2bbd1f5f0b847b721dcff0b7b09b3802288400ebaae803d653f397348537048f"}}