{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:CBB6TLDXX3SZQIGYI65LHEKW6T","short_pith_number":"pith:CBB6TLDX","canonical_record":{"source":{"id":"2605.25524","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-05-25T07:27:28Z","cross_cats_sorted":[],"title_canon_sha256":"7d61161c890ca7431f826ac221b0f7e425da6c8c0986fc40dc54e7e4b460e86b","abstract_canon_sha256":"a02cc62d24b7376a031e0dc53b4ab6244f95fc2faa0120d17853a46e3d7b166d"},"schema_version":"1.0"},"canonical_sha256":"1043e9ac77bee59820d847bab39156f4d91f6fee8141aeaad424c4fcea1d215c","source":{"kind":"arxiv","id":"2605.25524","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.25524","created_at":"2026-05-26T02:04:40Z"},{"alias_kind":"arxiv_version","alias_value":"2605.25524v1","created_at":"2026-05-26T02:04:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.25524","created_at":"2026-05-26T02:04:40Z"},{"alias_kind":"pith_short_12","alias_value":"CBB6TLDXX3SZ","created_at":"2026-05-26T02:04:40Z"},{"alias_kind":"pith_short_16","alias_value":"CBB6TLDXX3SZQIGY","created_at":"2026-05-26T02:04:40Z"},{"alias_kind":"pith_short_8","alias_value":"CBB6TLDX","created_at":"2026-05-26T02:04:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:CBB6TLDXX3SZQIGYI65LHEKW6T","target":"record","payload":{"canonical_record":{"source":{"id":"2605.25524","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-05-25T07:27:28Z","cross_cats_sorted":[],"title_canon_sha256":"7d61161c890ca7431f826ac221b0f7e425da6c8c0986fc40dc54e7e4b460e86b","abstract_canon_sha256":"a02cc62d24b7376a031e0dc53b4ab6244f95fc2faa0120d17853a46e3d7b166d"},"schema_version":"1.0"},"canonical_sha256":"1043e9ac77bee59820d847bab39156f4d91f6fee8141aeaad424c4fcea1d215c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-26T02:04:40.934482Z","signature_b64":"Yy2hcztf1jVjRztP/e+rVOM92yT9oRg26mnrYiSr7BQZIXh4a8Hnxhcx1JWHVXHFipG6CUOdgBG+PihA/6nDBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1043e9ac77bee59820d847bab39156f4d91f6fee8141aeaad424c4fcea1d215c","last_reissued_at":"2026-05-26T02:04:40.933752Z","signature_status":"signed_v1","first_computed_at":"2026-05-26T02:04:40.933752Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.25524","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":"2026-05-26T02:04:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"d9Jdxp6zcpvlFoFtxWL1IrEs4SUFCHJXztBPvoiuk2QsJAAuk6xShtXLhchevDwZSe0W1+rTtNW98LHHFNleAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T00:46:49.526045Z"},"content_sha256":"dec4761bd5d98d29117ad32f71de1b5eff35792a7216f8a8dc94ed8ed33f2958","schema_version":"1.0","event_id":"sha256:dec4761bd5d98d29117ad32f71de1b5eff35792a7216f8a8dc94ed8ed33f2958"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:CBB6TLDXX3SZQIGYI65LHEKW6T","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"ProSR: Process-Shaped Spatial Reasoning for Reliable Chain-of-Thought in VLMs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Changjie Wu, Cong Wan, Hang Zhang, Jiangyang Li, Lingjun Zhang, Linzhe Shi, Mu Xu, SongLin Dong, Xu Wang, Yihong Gong, Zhiheng Ma","submitted_at":"2026-05-25T07:27:28Z","abstract_excerpt":"Reliable spatial reasoning remains a core bottleneck for vision-language models (VLMs). Existing mainstream training paradigms for spatial reasoning largely rely on outcome alignment or process imitation, lacking explicit constraints on the reasoning process, and therefore struggle to ensure genuine visual dependence and stable reasoning trajectories. In this paper, we construct a high-quality CoT dataset covering diverse spatial phenomena and diagnose the model's reasoning process, revealing two typical types of process degradation during reinforcement learning optimization: Spurious Groundin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.25524","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/2605.25524/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":"2026-05-26T02:04:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Lk8ISsVT5Vbe/p4iUEB0VzLGBWn6rM0r91NbP01EciyLs5s1cE9ofngvvt+0EDhOWW1vu2clVoKlCQKhpJ+EBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T00:46:49.526754Z"},"content_sha256":"8b1f40066fc1bf7e3a73ec0276cc6c01f471da6b98d74a8a4b81f0b793a80fce","schema_version":"1.0","event_id":"sha256:8b1f40066fc1bf7e3a73ec0276cc6c01f471da6b98d74a8a4b81f0b793a80fce"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CBB6TLDXX3SZQIGYI65LHEKW6T/bundle.json","state_url":"https://pith.science/pith/CBB6TLDXX3SZQIGYI65LHEKW6T/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CBB6TLDXX3SZQIGYI65LHEKW6T/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":"2026-06-06T00:46:49Z","links":{"resolver":"https://pith.science/pith/CBB6TLDXX3SZQIGYI65LHEKW6T","bundle":"https://pith.science/pith/CBB6TLDXX3SZQIGYI65LHEKW6T/bundle.json","state":"https://pith.science/pith/CBB6TLDXX3SZQIGYI65LHEKW6T/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CBB6TLDXX3SZQIGYI65LHEKW6T/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:CBB6TLDXX3SZQIGYI65LHEKW6T","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":"a02cc62d24b7376a031e0dc53b4ab6244f95fc2faa0120d17853a46e3d7b166d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-05-25T07:27:28Z","title_canon_sha256":"7d61161c890ca7431f826ac221b0f7e425da6c8c0986fc40dc54e7e4b460e86b"},"schema_version":"1.0","source":{"id":"2605.25524","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.25524","created_at":"2026-05-26T02:04:40Z"},{"alias_kind":"arxiv_version","alias_value":"2605.25524v1","created_at":"2026-05-26T02:04:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.25524","created_at":"2026-05-26T02:04:40Z"},{"alias_kind":"pith_short_12","alias_value":"CBB6TLDXX3SZ","created_at":"2026-05-26T02:04:40Z"},{"alias_kind":"pith_short_16","alias_value":"CBB6TLDXX3SZQIGY","created_at":"2026-05-26T02:04:40Z"},{"alias_kind":"pith_short_8","alias_value":"CBB6TLDX","created_at":"2026-05-26T02:04:40Z"}],"graph_snapshots":[{"event_id":"sha256:8b1f40066fc1bf7e3a73ec0276cc6c01f471da6b98d74a8a4b81f0b793a80fce","target":"graph","created_at":"2026-05-26T02:04:40Z","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/2605.25524/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Reliable spatial reasoning remains a core bottleneck for vision-language models (VLMs). Existing mainstream training paradigms for spatial reasoning largely rely on outcome alignment or process imitation, lacking explicit constraints on the reasoning process, and therefore struggle to ensure genuine visual dependence and stable reasoning trajectories. In this paper, we construct a high-quality CoT dataset covering diverse spatial phenomena and diagnose the model's reasoning process, revealing two typical types of process degradation during reinforcement learning optimization: Spurious Groundin","authors_text":"Changjie Wu, Cong Wan, Hang Zhang, Jiangyang Li, Lingjun Zhang, Linzhe Shi, Mu Xu, SongLin Dong, Xu Wang, Yihong Gong, Zhiheng Ma","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-05-25T07:27:28Z","title":"ProSR: Process-Shaped Spatial Reasoning for Reliable Chain-of-Thought in VLMs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.25524","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:dec4761bd5d98d29117ad32f71de1b5eff35792a7216f8a8dc94ed8ed33f2958","target":"record","created_at":"2026-05-26T02:04:40Z","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":"a02cc62d24b7376a031e0dc53b4ab6244f95fc2faa0120d17853a46e3d7b166d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-05-25T07:27:28Z","title_canon_sha256":"7d61161c890ca7431f826ac221b0f7e425da6c8c0986fc40dc54e7e4b460e86b"},"schema_version":"1.0","source":{"id":"2605.25524","kind":"arxiv","version":1}},"canonical_sha256":"1043e9ac77bee59820d847bab39156f4d91f6fee8141aeaad424c4fcea1d215c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1043e9ac77bee59820d847bab39156f4d91f6fee8141aeaad424c4fcea1d215c","first_computed_at":"2026-05-26T02:04:40.933752Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-26T02:04:40.933752Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Yy2hcztf1jVjRztP/e+rVOM92yT9oRg26mnrYiSr7BQZIXh4a8Hnxhcx1JWHVXHFipG6CUOdgBG+PihA/6nDBg==","signature_status":"signed_v1","signed_at":"2026-05-26T02:04:40.934482Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.25524","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dec4761bd5d98d29117ad32f71de1b5eff35792a7216f8a8dc94ed8ed33f2958","sha256:8b1f40066fc1bf7e3a73ec0276cc6c01f471da6b98d74a8a4b81f0b793a80fce"],"state_sha256":"ec92f66e3afbbc34ebe37c1f6d2538ca417a847053ac0b9ce634571062392a04"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TCl9ZAku+l1aP6vhWG1cUkF4haGU7R3pNVF2c/5Z/wWcNzP0gs0EunP4T6DP/q+I9IsGcENFtnmgzNZmSxoKBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T00:46:49.530433Z","bundle_sha256":"1cb5f956696c6948ccc1d2abafe7ae4f1f13dcba5d142c597640b663504c54ab"}}