{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:YM4G6ZSQ2376Q7BDVJIFBIUUVR","short_pith_number":"pith:YM4G6ZSQ","canonical_record":{"source":{"id":"2607.03957","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2026-07-04T17:11:21Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"540c3ebc5b375ae3895933c68688f825e411c70b5f46ab0efa6f7cb2e3819d8b","abstract_canon_sha256":"1f67361d76636fd0573837700bd5e8d32437d84f019becedcd0795fff82d4622"},"schema_version":"1.0"},"canonical_sha256":"c3386f6650d6ffe87c23aa5050a294ac7dd728fb7a3f0f7f6e772301e5025ae2","source":{"kind":"arxiv","id":"2607.03957","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.03957","created_at":"2026-07-07T02:18:49Z"},{"alias_kind":"arxiv_version","alias_value":"2607.03957v1","created_at":"2026-07-07T02:18:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.03957","created_at":"2026-07-07T02:18:49Z"},{"alias_kind":"pith_short_12","alias_value":"YM4G6ZSQ2376","created_at":"2026-07-07T02:18:49Z"},{"alias_kind":"pith_short_16","alias_value":"YM4G6ZSQ2376Q7BD","created_at":"2026-07-07T02:18:49Z"},{"alias_kind":"pith_short_8","alias_value":"YM4G6ZSQ","created_at":"2026-07-07T02:18:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:YM4G6ZSQ2376Q7BDVJIFBIUUVR","target":"record","payload":{"canonical_record":{"source":{"id":"2607.03957","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2026-07-04T17:11:21Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"540c3ebc5b375ae3895933c68688f825e411c70b5f46ab0efa6f7cb2e3819d8b","abstract_canon_sha256":"1f67361d76636fd0573837700bd5e8d32437d84f019becedcd0795fff82d4622"},"schema_version":"1.0"},"canonical_sha256":"c3386f6650d6ffe87c23aa5050a294ac7dd728fb7a3f0f7f6e772301e5025ae2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-07T02:18:49.566120Z","signature_b64":"3Knw4MzTg9j0w+R7lw6WC+4M8ASeteuZA8AUkGdvdrK6jjBcchb/vPKPwwpj16meyzGdq7KTwM5IAVEES4ZTCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c3386f6650d6ffe87c23aa5050a294ac7dd728fb7a3f0f7f6e772301e5025ae2","last_reissued_at":"2026-07-07T02:18:49.565245Z","signature_status":"signed_v1","first_computed_at":"2026-07-07T02:18:49.565245Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.03957","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":"2026-07-07T02:18:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8O5XgszUx3sOG8eCtqjRyDDF1GTxSpIQfxYcNPPXRdu3rD+SlnBXcoUvAvSxE8q/zQBiE3lPatKSV5YwPzviBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T10:37:47.995020Z"},"content_sha256":"3a0dc955d178bad9d62d3299e827c14929dedf1aeaa9940c0a7b754abfadd37f","schema_version":"1.0","event_id":"sha256:3a0dc955d178bad9d62d3299e827c14929dedf1aeaa9940c0a7b754abfadd37f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:YM4G6ZSQ2376Q7BDVJIFBIUUVR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"NormWorlds-CF: Solver-Verified Counterfactual Normative Reasoning with Metamorphic-Relation GRPO","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.CL","authors_text":"Xinqi Zhang","submitted_at":"2026-07-04T17:11:21Z","abstract_excerpt":"Language models can reach the right normative verdict for the wrong reason. We introduce NormWorlds-CF, a solver-verified environment for counterfactual normative reasoning in executable rule worlds. Its deterministic solver produces final answers, proof and falsification certificates, argument statuses, support sets, and paired-world change labels, enabling supervision and evaluation without LLM judges. The benchmark contains staged SFT diagnostics and a compact paired-world task with 270 root families and 1080 canonical-to-variant pairs. The SFT diagnostics show that final-answer supervision"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.03957","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/2607.03957/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":"2026-07-07T02:18:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OeH0vvcXYcWPvX21wwsg2Fe01tVuRXG0LleSzV2u1+mcW8wAAS/UqPgxUf5Fc/5CJGWk7CR3HvJzj4dwfeYyAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T10:37:47.995934Z"},"content_sha256":"d80736f67293e047d7822e1767c0f0f7d38e619a9b147b5a0b9980ad936f4125","schema_version":"1.0","event_id":"sha256:d80736f67293e047d7822e1767c0f0f7d38e619a9b147b5a0b9980ad936f4125"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YM4G6ZSQ2376Q7BDVJIFBIUUVR/bundle.json","state_url":"https://pith.science/pith/YM4G6ZSQ2376Q7BDVJIFBIUUVR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YM4G6ZSQ2376Q7BDVJIFBIUUVR/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":"2026-08-05T10:37:48Z","links":{"resolver":"https://pith.science/pith/YM4G6ZSQ2376Q7BDVJIFBIUUVR","bundle":"https://pith.science/pith/YM4G6ZSQ2376Q7BDVJIFBIUUVR/bundle.json","state":"https://pith.science/pith/YM4G6ZSQ2376Q7BDVJIFBIUUVR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YM4G6ZSQ2376Q7BDVJIFBIUUVR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:YM4G6ZSQ2376Q7BDVJIFBIUUVR","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":"1f67361d76636fd0573837700bd5e8d32437d84f019becedcd0795fff82d4622","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2026-07-04T17:11:21Z","title_canon_sha256":"540c3ebc5b375ae3895933c68688f825e411c70b5f46ab0efa6f7cb2e3819d8b"},"schema_version":"1.0","source":{"id":"2607.03957","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.03957","created_at":"2026-07-07T02:18:49Z"},{"alias_kind":"arxiv_version","alias_value":"2607.03957v1","created_at":"2026-07-07T02:18:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.03957","created_at":"2026-07-07T02:18:49Z"},{"alias_kind":"pith_short_12","alias_value":"YM4G6ZSQ2376","created_at":"2026-07-07T02:18:49Z"},{"alias_kind":"pith_short_16","alias_value":"YM4G6ZSQ2376Q7BD","created_at":"2026-07-07T02:18:49Z"},{"alias_kind":"pith_short_8","alias_value":"YM4G6ZSQ","created_at":"2026-07-07T02:18:49Z"}],"graph_snapshots":[{"event_id":"sha256:d80736f67293e047d7822e1767c0f0f7d38e619a9b147b5a0b9980ad936f4125","target":"graph","created_at":"2026-07-07T02:18:49Z","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/2607.03957/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Language models can reach the right normative verdict for the wrong reason. We introduce NormWorlds-CF, a solver-verified environment for counterfactual normative reasoning in executable rule worlds. Its deterministic solver produces final answers, proof and falsification certificates, argument statuses, support sets, and paired-world change labels, enabling supervision and evaluation without LLM judges. The benchmark contains staged SFT diagnostics and a compact paired-world task with 270 root families and 1080 canonical-to-variant pairs. The SFT diagnostics show that final-answer supervision","authors_text":"Xinqi Zhang","cross_cats":["cs.AI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2026-07-04T17:11:21Z","title":"NormWorlds-CF: Solver-Verified Counterfactual Normative Reasoning with Metamorphic-Relation GRPO"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.03957","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":"sha256:3a0dc955d178bad9d62d3299e827c14929dedf1aeaa9940c0a7b754abfadd37f","target":"record","created_at":"2026-07-07T02:18:49Z","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":"1f67361d76636fd0573837700bd5e8d32437d84f019becedcd0795fff82d4622","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2026-07-04T17:11:21Z","title_canon_sha256":"540c3ebc5b375ae3895933c68688f825e411c70b5f46ab0efa6f7cb2e3819d8b"},"schema_version":"1.0","source":{"id":"2607.03957","kind":"arxiv","version":1}},"canonical_sha256":"c3386f6650d6ffe87c23aa5050a294ac7dd728fb7a3f0f7f6e772301e5025ae2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c3386f6650d6ffe87c23aa5050a294ac7dd728fb7a3f0f7f6e772301e5025ae2","first_computed_at":"2026-07-07T02:18:49.565245Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-07T02:18:49.565245Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3Knw4MzTg9j0w+R7lw6WC+4M8ASeteuZA8AUkGdvdrK6jjBcchb/vPKPwwpj16meyzGdq7KTwM5IAVEES4ZTCw==","signature_status":"signed_v1","signed_at":"2026-07-07T02:18:49.566120Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.03957","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3a0dc955d178bad9d62d3299e827c14929dedf1aeaa9940c0a7b754abfadd37f","sha256:d80736f67293e047d7822e1767c0f0f7d38e619a9b147b5a0b9980ad936f4125"],"state_sha256":"5f854df34797fa6c5e9827aee5098f28330caf3d78a3214b9f539aba669e6bf7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZX2T1RIgDNC+i0vs01ojDpFkGln8qW+7jKoQ2moyabhVMmexWEC9wz8i5EBPT5Z++LKnbbthhRKFwdjqlbAQAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T10:37:48.004442Z","bundle_sha256":"1b88bc4556fab122842e0bf48bd8f15f72ca9b001a639bd62a4b1698679febe8"}}