{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:RLQMRRAGGC25M7B3AZTFOGILR6","short_pith_number":"pith:RLQMRRAG","canonical_record":{"source":{"id":"2606.09026","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-06-08T04:51:24Z","cross_cats_sorted":[],"title_canon_sha256":"e784f17562c86aafa4f42aa342c7d8860d9ace4519d6242d96ce89937235896c","abstract_canon_sha256":"9e578c5192b89884dca47e42a6bf312286bf508756bc9ee856edbe97f20150c0"},"schema_version":"1.0"},"canonical_sha256":"8ae0c8c40630b5d67c3b066657190b8fb182250e3f6b99bcff41771a4156c18b","source":{"kind":"arxiv","id":"2606.09026","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.09026","created_at":"2026-06-09T02:07:54Z"},{"alias_kind":"arxiv_version","alias_value":"2606.09026v1","created_at":"2026-06-09T02:07:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.09026","created_at":"2026-06-09T02:07:54Z"},{"alias_kind":"pith_short_12","alias_value":"RLQMRRAGGC25","created_at":"2026-06-09T02:07:54Z"},{"alias_kind":"pith_short_16","alias_value":"RLQMRRAGGC25M7B3","created_at":"2026-06-09T02:07:54Z"},{"alias_kind":"pith_short_8","alias_value":"RLQMRRAG","created_at":"2026-06-09T02:07:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:RLQMRRAGGC25M7B3AZTFOGILR6","target":"record","payload":{"canonical_record":{"source":{"id":"2606.09026","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-06-08T04:51:24Z","cross_cats_sorted":[],"title_canon_sha256":"e784f17562c86aafa4f42aa342c7d8860d9ace4519d6242d96ce89937235896c","abstract_canon_sha256":"9e578c5192b89884dca47e42a6bf312286bf508756bc9ee856edbe97f20150c0"},"schema_version":"1.0"},"canonical_sha256":"8ae0c8c40630b5d67c3b066657190b8fb182250e3f6b99bcff41771a4156c18b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-09T02:07:54.148410Z","signature_b64":"dtOAPPwoGoGbMBBGhBZ8ILeVS4yBueBITyajbITqz9R20a2xzPR52sObKf760RacWFakPWb8BqP5qq56fkdjDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8ae0c8c40630b5d67c3b066657190b8fb182250e3f6b99bcff41771a4156c18b","last_reissued_at":"2026-06-09T02:07:54.147454Z","signature_status":"signed_v1","first_computed_at":"2026-06-09T02:07:54.147454Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.09026","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":"2026-06-09T02:07:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"C4lU2+moUZHa6yN00FPTJOb+PIVsVOdX5IouLvMTr8rPfaF0Y7RCUxGDloM5Mum8eNBeW/xdkfbPcUrLs8P/DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T23:36:58.587206Z"},"content_sha256":"bf4f354b222f3a5f984ff68e92f25aabbc747486be4dc8bdd2a8c0489d2e42f1","schema_version":"1.0","event_id":"sha256:bf4f354b222f3a5f984ff68e92f25aabbc747486be4dc8bdd2a8c0489d2e42f1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:RLQMRRAGGC25M7B3AZTFOGILR6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Structural Grid Descriptors Predict Within-Task Solver Success on ARC-AGI","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.LG","authors_text":"Ayan Pendharkar","submitted_at":"2026-06-08T04:51:24Z","abstract_excerpt":"We ask whether structural properties of intermediate grid states predict whether a symbolic ARC-AGI solver will succeed, framed as a test of conditional mutual information I(X;Y|task) > 0. Across 44,800 runs spanning two architecturally distinct solvers (beam search and Stochastic DFS), 400 ARC tasks, 28 configurations per solver, and both training and evaluation splits, hand-crafted grid descriptors measured at 50% trajectory completion discriminate successful from failed runs within the same task (mean within-task best-feature AUC = 0.885, p < 0.001 under within-task label permutation). Most"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.09026","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/2606.09026/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":"2026-06-09T02:07:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OwzP04rp9k4pL6Gq9T3Sylo7yJCoAbwixXJh/YDpNm2UZFaYagqAYQw61+gwddaagnZNF0iAy7crQllFGBbvBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T23:36:58.587646Z"},"content_sha256":"ad7e63c30230ed3c91d66373f639a499782c6f5e6674d7fc8b228b56b3de6902","schema_version":"1.0","event_id":"sha256:ad7e63c30230ed3c91d66373f639a499782c6f5e6674d7fc8b228b56b3de6902"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RLQMRRAGGC25M7B3AZTFOGILR6/bundle.json","state_url":"https://pith.science/pith/RLQMRRAGGC25M7B3AZTFOGILR6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RLQMRRAGGC25M7B3AZTFOGILR6/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":"2026-06-10T23:36:58Z","links":{"resolver":"https://pith.science/pith/RLQMRRAGGC25M7B3AZTFOGILR6","bundle":"https://pith.science/pith/RLQMRRAGGC25M7B3AZTFOGILR6/bundle.json","state":"https://pith.science/pith/RLQMRRAGGC25M7B3AZTFOGILR6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RLQMRRAGGC25M7B3AZTFOGILR6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:RLQMRRAGGC25M7B3AZTFOGILR6","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":"9e578c5192b89884dca47e42a6bf312286bf508756bc9ee856edbe97f20150c0","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-06-08T04:51:24Z","title_canon_sha256":"e784f17562c86aafa4f42aa342c7d8860d9ace4519d6242d96ce89937235896c"},"schema_version":"1.0","source":{"id":"2606.09026","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.09026","created_at":"2026-06-09T02:07:54Z"},{"alias_kind":"arxiv_version","alias_value":"2606.09026v1","created_at":"2026-06-09T02:07:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.09026","created_at":"2026-06-09T02:07:54Z"},{"alias_kind":"pith_short_12","alias_value":"RLQMRRAGGC25","created_at":"2026-06-09T02:07:54Z"},{"alias_kind":"pith_short_16","alias_value":"RLQMRRAGGC25M7B3","created_at":"2026-06-09T02:07:54Z"},{"alias_kind":"pith_short_8","alias_value":"RLQMRRAG","created_at":"2026-06-09T02:07:54Z"}],"graph_snapshots":[{"event_id":"sha256:ad7e63c30230ed3c91d66373f639a499782c6f5e6674d7fc8b228b56b3de6902","target":"graph","created_at":"2026-06-09T02:07:54Z","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/2606.09026/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We ask whether structural properties of intermediate grid states predict whether a symbolic ARC-AGI solver will succeed, framed as a test of conditional mutual information I(X;Y|task) > 0. Across 44,800 runs spanning two architecturally distinct solvers (beam search and Stochastic DFS), 400 ARC tasks, 28 configurations per solver, and both training and evaluation splits, hand-crafted grid descriptors measured at 50% trajectory completion discriminate successful from failed runs within the same task (mean within-task best-feature AUC = 0.885, p < 0.001 under within-task label permutation). Most","authors_text":"Ayan Pendharkar","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-06-08T04:51:24Z","title":"Structural Grid Descriptors Predict Within-Task Solver Success on ARC-AGI"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.09026","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:bf4f354b222f3a5f984ff68e92f25aabbc747486be4dc8bdd2a8c0489d2e42f1","target":"record","created_at":"2026-06-09T02:07:54Z","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":"9e578c5192b89884dca47e42a6bf312286bf508756bc9ee856edbe97f20150c0","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-06-08T04:51:24Z","title_canon_sha256":"e784f17562c86aafa4f42aa342c7d8860d9ace4519d6242d96ce89937235896c"},"schema_version":"1.0","source":{"id":"2606.09026","kind":"arxiv","version":1}},"canonical_sha256":"8ae0c8c40630b5d67c3b066657190b8fb182250e3f6b99bcff41771a4156c18b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8ae0c8c40630b5d67c3b066657190b8fb182250e3f6b99bcff41771a4156c18b","first_computed_at":"2026-06-09T02:07:54.147454Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-09T02:07:54.147454Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dtOAPPwoGoGbMBBGhBZ8ILeVS4yBueBITyajbITqz9R20a2xzPR52sObKf760RacWFakPWb8BqP5qq56fkdjDw==","signature_status":"signed_v1","signed_at":"2026-06-09T02:07:54.148410Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.09026","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bf4f354b222f3a5f984ff68e92f25aabbc747486be4dc8bdd2a8c0489d2e42f1","sha256:ad7e63c30230ed3c91d66373f639a499782c6f5e6674d7fc8b228b56b3de6902"],"state_sha256":"3c59b4f4c23b622b14352d3d91ed607b4a9ae9e97caca7c0bbf32b1526f1ffe3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OVqtdWw3FZgQz+CEhNQ92qNQMrO0Wpm0KrtmCCESo1UkqylAGa/Ddj1fzIlAmVLqzFYNyv/JXQ7qBzQ+k6xSDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T23:36:58.591448Z","bundle_sha256":"dea41672f75ef9779886e4bdb919188531080147eef4f27900bc092c2c0aff03"}}