{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:BC63RH4G6KKRZHGASZZBOUBFHL","short_pith_number":"pith:BC63RH4G","canonical_record":{"source":{"id":"2607.00482","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2026-07-01T06:09:56Z","cross_cats_sorted":[],"title_canon_sha256":"c27c02855f1188642dc7d576b01b6f2beaa142f405995dc272b455dd79dddc46","abstract_canon_sha256":"34342a6fb2d703aa419f3970a31799ee6cf11297cea8d16c0ce866180baf4607"},"schema_version":"1.0"},"canonical_sha256":"08bdb89f86f2951c9cc096721750253ae83593e8787624319449700ec7328982","source":{"kind":"arxiv","id":"2607.00482","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.00482","created_at":"2026-07-02T01:17:44Z"},{"alias_kind":"arxiv_version","alias_value":"2607.00482v1","created_at":"2026-07-02T01:17:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.00482","created_at":"2026-07-02T01:17:44Z"},{"alias_kind":"pith_short_12","alias_value":"BC63RH4G6KKR","created_at":"2026-07-02T01:17:44Z"},{"alias_kind":"pith_short_16","alias_value":"BC63RH4G6KKRZHGA","created_at":"2026-07-02T01:17:44Z"},{"alias_kind":"pith_short_8","alias_value":"BC63RH4G","created_at":"2026-07-02T01:17:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:BC63RH4G6KKRZHGASZZBOUBFHL","target":"record","payload":{"canonical_record":{"source":{"id":"2607.00482","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2026-07-01T06:09:56Z","cross_cats_sorted":[],"title_canon_sha256":"c27c02855f1188642dc7d576b01b6f2beaa142f405995dc272b455dd79dddc46","abstract_canon_sha256":"34342a6fb2d703aa419f3970a31799ee6cf11297cea8d16c0ce866180baf4607"},"schema_version":"1.0"},"canonical_sha256":"08bdb89f86f2951c9cc096721750253ae83593e8787624319449700ec7328982","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-02T01:17:44.650902Z","signature_b64":"fPHlKo4eD+Vhhrpv9eiQBC9CW66zap9bCCsj1YyBCue1W1Lkl780niXt/afE0UyLjKRHw406SC6Aq3E1jMWXCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"08bdb89f86f2951c9cc096721750253ae83593e8787624319449700ec7328982","last_reissued_at":"2026-07-02T01:17:44.650513Z","signature_status":"signed_v1","first_computed_at":"2026-07-02T01:17:44.650513Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.00482","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":"2026-07-02T01:17:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6K9+mMD68wZf96jIhPnRTREDAG+bpryFtiFcAOM0eZv8m2YFNoPEyYAeL1KY1yZoFSVtilHbuqkt5dvVeVKADA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-03T02:22:18.647207Z"},"content_sha256":"b44faff194f3229aa06fda9b978bd0583b5ac6636a321e55f6592ef0237a185e","schema_version":"1.0","event_id":"sha256:b44faff194f3229aa06fda9b978bd0583b5ac6636a321e55f6592ef0237a185e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:BC63RH4G6KKRZHGASZZBOUBFHL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Know When to Stop: Segment-Level Credit Assignment for Reducing Overthinking","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CL","authors_text":"Chia-Hsuan Lee, Isha Slavin, Mingyang Zhou, Sambit Sahu, Shi-Xiong Zhang, Sihui Dai, William Campbell","submitted_at":"2026-07-01T06:09:56Z","abstract_excerpt":"Reasoning language models frequently overthink: generating extended chains of behaviors such as hedging, approach abandonment, and self contradiction that consume tokens without improving answers. We show that these behaviors are not merely a consequence of length; even when controlling for response length, incorrect traces exhibit higher rates of unproductive self-reflection than correct ones. Addressing this requires identifying where self-reflection helps vs hurts, but obtaining these step-level annotations is costly. We observe that intermediate answer commitments within reasoning traces c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.00482","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/2607.00482/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":"2026-07-02T01:17:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"viGuCHAFkEZMgtUXjmA5CcDqTGxsj4jiv4P7UZHuIiDgo0uzRd7Wap0btq/MFXyjK4EDjtltThcgsM7SQ0ggAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-03T02:22:18.647598Z"},"content_sha256":"6a891cf9556d16e57529d3ee8e51f689b39949b8e57517000fe099a16756f663","schema_version":"1.0","event_id":"sha256:6a891cf9556d16e57529d3ee8e51f689b39949b8e57517000fe099a16756f663"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BC63RH4G6KKRZHGASZZBOUBFHL/bundle.json","state_url":"https://pith.science/pith/BC63RH4G6KKRZHGASZZBOUBFHL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BC63RH4G6KKRZHGASZZBOUBFHL/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":"2026-07-03T02:22:18Z","links":{"resolver":"https://pith.science/pith/BC63RH4G6KKRZHGASZZBOUBFHL","bundle":"https://pith.science/pith/BC63RH4G6KKRZHGASZZBOUBFHL/bundle.json","state":"https://pith.science/pith/BC63RH4G6KKRZHGASZZBOUBFHL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BC63RH4G6KKRZHGASZZBOUBFHL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:BC63RH4G6KKRZHGASZZBOUBFHL","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":"34342a6fb2d703aa419f3970a31799ee6cf11297cea8d16c0ce866180baf4607","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2026-07-01T06:09:56Z","title_canon_sha256":"c27c02855f1188642dc7d576b01b6f2beaa142f405995dc272b455dd79dddc46"},"schema_version":"1.0","source":{"id":"2607.00482","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.00482","created_at":"2026-07-02T01:17:44Z"},{"alias_kind":"arxiv_version","alias_value":"2607.00482v1","created_at":"2026-07-02T01:17:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.00482","created_at":"2026-07-02T01:17:44Z"},{"alias_kind":"pith_short_12","alias_value":"BC63RH4G6KKR","created_at":"2026-07-02T01:17:44Z"},{"alias_kind":"pith_short_16","alias_value":"BC63RH4G6KKRZHGA","created_at":"2026-07-02T01:17:44Z"},{"alias_kind":"pith_short_8","alias_value":"BC63RH4G","created_at":"2026-07-02T01:17:44Z"}],"graph_snapshots":[{"event_id":"sha256:6a891cf9556d16e57529d3ee8e51f689b39949b8e57517000fe099a16756f663","target":"graph","created_at":"2026-07-02T01:17:44Z","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/2607.00482/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Reasoning language models frequently overthink: generating extended chains of behaviors such as hedging, approach abandonment, and self contradiction that consume tokens without improving answers. We show that these behaviors are not merely a consequence of length; even when controlling for response length, incorrect traces exhibit higher rates of unproductive self-reflection than correct ones. Addressing this requires identifying where self-reflection helps vs hurts, but obtaining these step-level annotations is costly. We observe that intermediate answer commitments within reasoning traces c","authors_text":"Chia-Hsuan Lee, Isha Slavin, Mingyang Zhou, Sambit Sahu, Shi-Xiong Zhang, Sihui Dai, William Campbell","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2026-07-01T06:09:56Z","title":"Know When to Stop: Segment-Level Credit Assignment for Reducing Overthinking"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.00482","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:b44faff194f3229aa06fda9b978bd0583b5ac6636a321e55f6592ef0237a185e","target":"record","created_at":"2026-07-02T01:17:44Z","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":"34342a6fb2d703aa419f3970a31799ee6cf11297cea8d16c0ce866180baf4607","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2026-07-01T06:09:56Z","title_canon_sha256":"c27c02855f1188642dc7d576b01b6f2beaa142f405995dc272b455dd79dddc46"},"schema_version":"1.0","source":{"id":"2607.00482","kind":"arxiv","version":1}},"canonical_sha256":"08bdb89f86f2951c9cc096721750253ae83593e8787624319449700ec7328982","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"08bdb89f86f2951c9cc096721750253ae83593e8787624319449700ec7328982","first_computed_at":"2026-07-02T01:17:44.650513Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-02T01:17:44.650513Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fPHlKo4eD+Vhhrpv9eiQBC9CW66zap9bCCsj1YyBCue1W1Lkl780niXt/afE0UyLjKRHw406SC6Aq3E1jMWXCg==","signature_status":"signed_v1","signed_at":"2026-07-02T01:17:44.650902Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.00482","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b44faff194f3229aa06fda9b978bd0583b5ac6636a321e55f6592ef0237a185e","sha256:6a891cf9556d16e57529d3ee8e51f689b39949b8e57517000fe099a16756f663"],"state_sha256":"6ef7c761f9bc9e44edf93ee7e99e47a0427ed9fa1c6d0bd92381118db829b359"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QBR+wEzZhxFKIsinrWQYoJ2ytMiyObXJSDMehcJsLuVUD4MXwJbmAJvvX1Q4jNyWwcTO04McZt3YAPqx09uWAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-03T02:22:18.649632Z","bundle_sha256":"de2322a3ac014d3e9c5c10a99fe77c1b8744bc93e05984a186bdb5d1d4008f51"}}