{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:6GBSPNOQMY33RLNJ3JG3AK2LP3","short_pith_number":"pith:6GBSPNOQ","canonical_record":{"source":{"id":"2508.02037","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2025-08-04T04:06:34Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"f71eef94da5419f547cad16ebcc57757d7ee7279ae91c37944df41384d88dab8","abstract_canon_sha256":"8d8f17337828b6d3c23a81f06f64479e27c78b858395c45e5c0492fe67cc3f90"},"schema_version":"1.0"},"canonical_sha256":"f18327b5d06637b8ada9da4db02b4b7ef5b975e6c1d3467fa630e70470cd2d21","source":{"kind":"arxiv","id":"2508.02037","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.02037","created_at":"2026-07-05T11:57:00Z"},{"alias_kind":"arxiv_version","alias_value":"2508.02037v2","created_at":"2026-07-05T11:57:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.02037","created_at":"2026-07-05T11:57:00Z"},{"alias_kind":"pith_short_12","alias_value":"6GBSPNOQMY33","created_at":"2026-07-05T11:57:00Z"},{"alias_kind":"pith_short_16","alias_value":"6GBSPNOQMY33RLNJ","created_at":"2026-07-05T11:57:00Z"},{"alias_kind":"pith_short_8","alias_value":"6GBSPNOQ","created_at":"2026-07-05T11:57:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:6GBSPNOQMY33RLNJ3JG3AK2LP3","target":"record","payload":{"canonical_record":{"source":{"id":"2508.02037","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2025-08-04T04:06:34Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"f71eef94da5419f547cad16ebcc57757d7ee7279ae91c37944df41384d88dab8","abstract_canon_sha256":"8d8f17337828b6d3c23a81f06f64479e27c78b858395c45e5c0492fe67cc3f90"},"schema_version":"1.0"},"canonical_sha256":"f18327b5d06637b8ada9da4db02b4b7ef5b975e6c1d3467fa630e70470cd2d21","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:57:00.274428Z","signature_b64":"eauMzV5pa9cVUZyr7RhL2NLxcszEgb5iOdzj1mpGs6NK9LB2DF8yVQ1LPcSYGMEsc6xDFDc63fJyd2Sx4d39DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f18327b5d06637b8ada9da4db02b4b7ef5b975e6c1d3467fa630e70470cd2d21","last_reissued_at":"2026-07-05T11:57:00.273848Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:57:00.273848Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2508.02037","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":"2026-07-05T11:57:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rshBIY19TvJrIPOggddSLhi6Jw0FdA4OfhmoCTLlivIadl4kvb4noxyfN8eayFZJIwHTPqHj57Z+vQotJeMqCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T01:30:38.737863Z"},"content_sha256":"5b0d1c7f8e0aa6f14944717407bb905c1ce70c2452a7f5151c53835fe868c1ff","schema_version":"1.0","event_id":"sha256:5b0d1c7f8e0aa6f14944717407bb905c1ce70c2452a7f5151c53835fe868c1ff"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:6GBSPNOQMY33RLNJ3JG3AK2LP3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Diagnosing Memorization in Chain-of-Thought Reasoning, One Token at a Time","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.CL","authors_text":"Huihan Li, Ninareh Mehrabi, Rahul Gupta, Siyuan Wang, Xiang Ren, Yixin He, You Chen","submitted_at":"2025-08-04T04:06:34Z","abstract_excerpt":"Large Language Models (LLMs) perform well on reasoning benchmarks but often fail when inputs alter slightly, raising concerns about the extent to which their success relies on memorization. This issue is especially acute in Chain-of-Thought (CoT) reasoning, where spurious memorized patterns can trigger intermediate errors that cascade into incorrect final answers. We introduce STIM, a novel framework for Source-aware Token-level Identification of Memorization, which attributes each token in a reasoning chain to one of multiple memorization sources - local, mid-range, or long-range - based on t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.02037","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/2508.02037/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":"2026-07-05T11:57:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3zbAL8uP2x26HdeqVxIrXpbnUW85d7U+gviKmY2bXctws3NMVJOnuMaf+op3oIWhcmh6jt0c/8qSkb1BNlS0AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T01:30:38.738365Z"},"content_sha256":"d862db1818014d6e4ef7ae6750478287af3e4d01e62050ddd1d406d9ffd2543e","schema_version":"1.0","event_id":"sha256:d862db1818014d6e4ef7ae6750478287af3e4d01e62050ddd1d406d9ffd2543e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6GBSPNOQMY33RLNJ3JG3AK2LP3/bundle.json","state_url":"https://pith.science/pith/6GBSPNOQMY33RLNJ3JG3AK2LP3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6GBSPNOQMY33RLNJ3JG3AK2LP3/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":"2026-08-07T01:30:38Z","links":{"resolver":"https://pith.science/pith/6GBSPNOQMY33RLNJ3JG3AK2LP3","bundle":"https://pith.science/pith/6GBSPNOQMY33RLNJ3JG3AK2LP3/bundle.json","state":"https://pith.science/pith/6GBSPNOQMY33RLNJ3JG3AK2LP3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6GBSPNOQMY33RLNJ3JG3AK2LP3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:6GBSPNOQMY33RLNJ3JG3AK2LP3","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":"8d8f17337828b6d3c23a81f06f64479e27c78b858395c45e5c0492fe67cc3f90","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2025-08-04T04:06:34Z","title_canon_sha256":"f71eef94da5419f547cad16ebcc57757d7ee7279ae91c37944df41384d88dab8"},"schema_version":"1.0","source":{"id":"2508.02037","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.02037","created_at":"2026-07-05T11:57:00Z"},{"alias_kind":"arxiv_version","alias_value":"2508.02037v2","created_at":"2026-07-05T11:57:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.02037","created_at":"2026-07-05T11:57:00Z"},{"alias_kind":"pith_short_12","alias_value":"6GBSPNOQMY33","created_at":"2026-07-05T11:57:00Z"},{"alias_kind":"pith_short_16","alias_value":"6GBSPNOQMY33RLNJ","created_at":"2026-07-05T11:57:00Z"},{"alias_kind":"pith_short_8","alias_value":"6GBSPNOQ","created_at":"2026-07-05T11:57:00Z"}],"graph_snapshots":[{"event_id":"sha256:d862db1818014d6e4ef7ae6750478287af3e4d01e62050ddd1d406d9ffd2543e","target":"graph","created_at":"2026-07-05T11:57:00Z","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/2508.02037/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Large Language Models (LLMs) perform well on reasoning benchmarks but often fail when inputs alter slightly, raising concerns about the extent to which their success relies on memorization. This issue is especially acute in Chain-of-Thought (CoT) reasoning, where spurious memorized patterns can trigger intermediate errors that cascade into incorrect final answers. We introduce STIM, a novel framework for Source-aware Token-level Identification of Memorization, which attributes each token in a reasoning chain to one of multiple memorization sources - local, mid-range, or long-range - based on t","authors_text":"Huihan Li, Ninareh Mehrabi, Rahul Gupta, Siyuan Wang, Xiang Ren, Yixin He, You Chen","cross_cats":["cs.AI"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2025-08-04T04:06:34Z","title":"Diagnosing Memorization in Chain-of-Thought Reasoning, One Token at a Time"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.02037","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":"sha256:5b0d1c7f8e0aa6f14944717407bb905c1ce70c2452a7f5151c53835fe868c1ff","target":"record","created_at":"2026-07-05T11:57:00Z","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":"8d8f17337828b6d3c23a81f06f64479e27c78b858395c45e5c0492fe67cc3f90","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2025-08-04T04:06:34Z","title_canon_sha256":"f71eef94da5419f547cad16ebcc57757d7ee7279ae91c37944df41384d88dab8"},"schema_version":"1.0","source":{"id":"2508.02037","kind":"arxiv","version":2}},"canonical_sha256":"f18327b5d06637b8ada9da4db02b4b7ef5b975e6c1d3467fa630e70470cd2d21","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f18327b5d06637b8ada9da4db02b4b7ef5b975e6c1d3467fa630e70470cd2d21","first_computed_at":"2026-07-05T11:57:00.273848Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:57:00.273848Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"eauMzV5pa9cVUZyr7RhL2NLxcszEgb5iOdzj1mpGs6NK9LB2DF8yVQ1LPcSYGMEsc6xDFDc63fJyd2Sx4d39DQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:57:00.274428Z","signed_message":"canonical_sha256_bytes"},"source_id":"2508.02037","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5b0d1c7f8e0aa6f14944717407bb905c1ce70c2452a7f5151c53835fe868c1ff","sha256:d862db1818014d6e4ef7ae6750478287af3e4d01e62050ddd1d406d9ffd2543e"],"state_sha256":"a458c3f8237ee9bc3ef98b7f78dfe3e88443cd7a2de84c4180374533ea01f649"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3OF3cFrw4su3hy9PBdgqTzDjh66rKUsB8io/YBAUaIR+yTd9y//t5YjLyzR2sxsCcPKzb0SqyYhxMwwibfI2Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T01:30:38.744277Z","bundle_sha256":"4a23679fe8ea009010c553ffbf913f97a6b95ad5e1cd822146aaeafd3206c4de"}}