{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:CTCTMPH7HL64S2OG7JMJWGXCVE","short_pith_number":"pith:CTCTMPH7","canonical_record":{"source":{"id":"2608.12097","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-08-12T14:20:25Z","cross_cats_sorted":[],"title_canon_sha256":"b01e75068d190885474d28e5a88129a3ac078041afa96bb113f82958ebf9c8d1","abstract_canon_sha256":"3fc27e38015e0a4ab560fbeaf83f751ad01e1318e0f7ad7dca6e222c0407e00a"},"schema_version":"1.0"},"canonical_sha256":"14c5363cff3afdc969c6fa589b1ae2a91d3b19ea92ea9249f87e898a8bf1c2ae","source":{"kind":"arxiv","id":"2608.12097","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.12097","created_at":"2026-08-13T01:29:58Z"},{"alias_kind":"arxiv_version","alias_value":"2608.12097v1","created_at":"2026-08-13T01:29:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.12097","created_at":"2026-08-13T01:29:58Z"},{"alias_kind":"pith_short_12","alias_value":"CTCTMPH7HL64","created_at":"2026-08-13T01:29:58Z"},{"alias_kind":"pith_short_16","alias_value":"CTCTMPH7HL64S2OG","created_at":"2026-08-13T01:29:58Z"},{"alias_kind":"pith_short_8","alias_value":"CTCTMPH7","created_at":"2026-08-13T01:29:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:CTCTMPH7HL64S2OG7JMJWGXCVE","target":"record","payload":{"canonical_record":{"source":{"id":"2608.12097","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-08-12T14:20:25Z","cross_cats_sorted":[],"title_canon_sha256":"b01e75068d190885474d28e5a88129a3ac078041afa96bb113f82958ebf9c8d1","abstract_canon_sha256":"3fc27e38015e0a4ab560fbeaf83f751ad01e1318e0f7ad7dca6e222c0407e00a"},"schema_version":"1.0"},"canonical_sha256":"14c5363cff3afdc969c6fa589b1ae2a91d3b19ea92ea9249f87e898a8bf1c2ae","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-13T01:29:58.254863Z","signature_b64":"sdSuNrpZ/G69T15IkKJRj6i1D21BC+VI1nW2pl9bZsmg9RePrX8Y5+Dm0BgrbA6LdECEs8YBqDBBbGo31AcXAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"14c5363cff3afdc969c6fa589b1ae2a91d3b19ea92ea9249f87e898a8bf1c2ae","last_reissued_at":"2026-08-13T01:29:58.252559Z","signature_status":"signed_v1","first_computed_at":"2026-08-13T01:29:58.252559Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2608.12097","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":"2026-08-13T01:29:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"432+Nt3N7h1WqMjXsj6q6TehhQRGX8mU340DxWrZXllu8dzKB2akYprKNKuSAf6ylctNL3DeWiCHIx+uY9SjAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T05:55:52.694682Z"},"content_sha256":"16bddf3e6b09f9287f64bb427b1c1732c46e1972cbb0b2951b65281a34d7752d","schema_version":"1.0","event_id":"sha256:16bddf3e6b09f9287f64bb427b1c1732c46e1972cbb0b2951b65281a34d7752d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:CTCTMPH7HL64S2OG7JMJWGXCVE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Graph-Structured Rubrics: Compiling Rubrics into Typed Evaluation Graphs for LLM Judges","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.AI","authors_text":"Jie Mu, Mo Xuan, Qun Shao, Xi Chen","submitted_at":"2026-08-12T14:20:25Z","abstract_excerpt":"Rubric-based evaluators commonly treat rubrics as prompt context or flat criteria: they specify what to judge but leave criterion composition implicit, even when natural-language rules state it. We introduce Graph-Structured Rubrics (GSR), which compiles a rubric into a response-independent typed evaluation graph before observing responses. Criterion nodes elicit judgments; transformation, reduction, and gating operators compose them through named ports; and a task-specific output mapping, termed Readout, converts the unique sink into a score or preference. Compilation rejects malformed or typ"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.12097","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/2608.12097/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":"2026-08-13T01:29:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JkQZhI5xRTzgVQHh6gs5Kx9dW1YCSKSenEc+CjIcdS1TES0zuc5QZNvZgAASfmUsqtXRxwQqihDdjE0X4pIRCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T05:55:52.695419Z"},"content_sha256":"fcd421bea726c0f7d6755dee21146484630d990689e714becbe56f95fb96479d","schema_version":"1.0","event_id":"sha256:fcd421bea726c0f7d6755dee21146484630d990689e714becbe56f95fb96479d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CTCTMPH7HL64S2OG7JMJWGXCVE/bundle.json","state_url":"https://pith.science/pith/CTCTMPH7HL64S2OG7JMJWGXCVE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CTCTMPH7HL64S2OG7JMJWGXCVE/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":"2026-08-19T05:55:52Z","links":{"resolver":"https://pith.science/pith/CTCTMPH7HL64S2OG7JMJWGXCVE","bundle":"https://pith.science/pith/CTCTMPH7HL64S2OG7JMJWGXCVE/bundle.json","state":"https://pith.science/pith/CTCTMPH7HL64S2OG7JMJWGXCVE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CTCTMPH7HL64S2OG7JMJWGXCVE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:CTCTMPH7HL64S2OG7JMJWGXCVE","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":"3fc27e38015e0a4ab560fbeaf83f751ad01e1318e0f7ad7dca6e222c0407e00a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-08-12T14:20:25Z","title_canon_sha256":"b01e75068d190885474d28e5a88129a3ac078041afa96bb113f82958ebf9c8d1"},"schema_version":"1.0","source":{"id":"2608.12097","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.12097","created_at":"2026-08-13T01:29:58Z"},{"alias_kind":"arxiv_version","alias_value":"2608.12097v1","created_at":"2026-08-13T01:29:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.12097","created_at":"2026-08-13T01:29:58Z"},{"alias_kind":"pith_short_12","alias_value":"CTCTMPH7HL64","created_at":"2026-08-13T01:29:58Z"},{"alias_kind":"pith_short_16","alias_value":"CTCTMPH7HL64S2OG","created_at":"2026-08-13T01:29:58Z"},{"alias_kind":"pith_short_8","alias_value":"CTCTMPH7","created_at":"2026-08-13T01:29:58Z"}],"graph_snapshots":[{"event_id":"sha256:fcd421bea726c0f7d6755dee21146484630d990689e714becbe56f95fb96479d","target":"graph","created_at":"2026-08-13T01:29:58Z","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/2608.12097/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Rubric-based evaluators commonly treat rubrics as prompt context or flat criteria: they specify what to judge but leave criterion composition implicit, even when natural-language rules state it. We introduce Graph-Structured Rubrics (GSR), which compiles a rubric into a response-independent typed evaluation graph before observing responses. Criterion nodes elicit judgments; transformation, reduction, and gating operators compose them through named ports; and a task-specific output mapping, termed Readout, converts the unique sink into a score or preference. Compilation rejects malformed or typ","authors_text":"Jie Mu, Mo Xuan, Qun Shao, Xi Chen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-08-12T14:20:25Z","title":"Graph-Structured Rubrics: Compiling Rubrics into Typed Evaluation Graphs for LLM Judges"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.12097","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":"sha256:16bddf3e6b09f9287f64bb427b1c1732c46e1972cbb0b2951b65281a34d7752d","target":"record","created_at":"2026-08-13T01:29:58Z","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":"3fc27e38015e0a4ab560fbeaf83f751ad01e1318e0f7ad7dca6e222c0407e00a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-08-12T14:20:25Z","title_canon_sha256":"b01e75068d190885474d28e5a88129a3ac078041afa96bb113f82958ebf9c8d1"},"schema_version":"1.0","source":{"id":"2608.12097","kind":"arxiv","version":1}},"canonical_sha256":"14c5363cff3afdc969c6fa589b1ae2a91d3b19ea92ea9249f87e898a8bf1c2ae","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"14c5363cff3afdc969c6fa589b1ae2a91d3b19ea92ea9249f87e898a8bf1c2ae","first_computed_at":"2026-08-13T01:29:58.252559Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-08-13T01:29:58.252559Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sdSuNrpZ/G69T15IkKJRj6i1D21BC+VI1nW2pl9bZsmg9RePrX8Y5+Dm0BgrbA6LdECEs8YBqDBBbGo31AcXAg==","signature_status":"signed_v1","signed_at":"2026-08-13T01:29:58.254863Z","signed_message":"canonical_sha256_bytes"},"source_id":"2608.12097","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:16bddf3e6b09f9287f64bb427b1c1732c46e1972cbb0b2951b65281a34d7752d","sha256:fcd421bea726c0f7d6755dee21146484630d990689e714becbe56f95fb96479d"],"state_sha256":"7d5458405c4c100496bbb0c56824f610f998aa0f12840e616f7dcc3672abd48f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Q+h24iG/yrnboSQMCra3HoY1hToUdmG9GqeqFYZoY4nM5Kl8uiFfmTPBvnGErZq/KhuAvwkhP8fQA6U9UlbcCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-19T05:55:52.700611Z","bundle_sha256":"a4ca8036478e75db97de08078514d0c1493bd93b7735f7f816bb5ecd19cbc41b"}}