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We test both questions in a frozen 2.6B looped transformer, Ouro-RLTT. On GSM8K, a strict pre-answer probe excludes the answer region and gold value yet predicts success: hidden states plus surface features (length, log-probability) reach AUROC 0.797, versus 0.731 for surface features alone (increment +0.066; task-clustered 95% CI [+0.021, +0.112]; 170 tasks, 680 candidates). On Horizon Logic, the same within-domain comparison gives +0.141 (CI [+0.004, +0.290]; 56 tasks), positive but imprecise. Low-capacity taps also read task-disjoint branch survival and generated-branch correctness, while recurrence moves candidate-quality readability to progressively earlier physical depth. A non-looped control replicates a same-class readout, so recurrence is not required for every readable signal.\n  To","title":"Operational Proto-Introspection in Looped Language Models: Process-Quality Taps, Executable Branching, and the Readout-Control Boundary","url":"https://arxiv.org/abs/2607.18553","vendor":"arxiv_cs_ai"},"summary":"arXiv:2607.18553v2 Announce Type: replace-cross \nAbstract: Can a language model read the quality of its ongoing computation, and can an external intervention turn that readout into better outcomes? We test both questions in a frozen 2.6B looped transformer, Ouro-RLTT. On GSM8K, a strict pre-answer probe excludes the answer region and gold value yet predicts success: hidden states plus surface features (length, log-probability) reach AUROC 0.797, versus 0.731 for surface features alone (increment +0.066; task-clustered 95% CI [+0.021, +0.112]; 170 tasks, 680 candidates). 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A non-looped control replicates a same-class readout, so recurrence is not required for every readable signal.\n  To","title":"Operational Proto-Introspection in Looped Language Models: Process-Quality Taps, Executable Branching, and the Readout-Control Boundary","vendor":"arxiv_cs_ai"},"confidence":{"method":"deterministic"},"decision":"POSITIVE","issued_at":"2026-07-28T04:43:08Z","notes":"Spider vendor_press (news) news.vendor_press.v1","object":{"captured_by":"crovia.spider.vendor_press","primary_source_url":"https://arxiv.org/abs/2607.18553"},"predecessors":[],"schema":"crovia.axiom.v1","signature":"ed25519:0c2eced5b41da52c05a491600f33d60a584f49b509736dc42d0cf0b021cac4758169e3e2561a726953af6f1a4035e807bed880e1cdf39675ba5b682fd0470c0e","signer":"crovia.substrate","subject":{"observed_at":"2026-07-28T04:43:08Z","source_collector":"spider:vendor_press","target_id":"https://arxiv.org/abs/2607.18553"},"tsa":{"authority":"crovia.substrate.bootstrap","rfc3161_token":"{\"kind\":\"crovia.bootstrap.tsa\",\"source_jsonl\":\"/opt/crovia/spider/data/news/vendor_press_v1.jsonl\",\"source_seal_merkle_root\":\"spider_vendor_press_v1\",\"upgrade_path\":\"Sessione H \\u2014 OpenTimestamps weekly anchor\"}"},"zk_mode":"clear","zk_proof":null},"ledger":{"leaf_hash":"874eccf0d402504978b8692cde496fdbc91b1c1ad7d21825bc8b71b5a3edc6f3","leaf_index":360881,"ledger_path":"/opt/crovia/substrate/axiom_ledger.jsonl"},"merkle_proof":{"hash_alg":"sha256","leaf_prefix":"0x00","node_prefix":"0x01","odd_leaf_rule":"duplicate_last","path":[{"sibling":"dcdd5b67340bd5300089986013a51331415060563843c8235c4930c2a1f1ad11","side":"left"},{"sibling":"3cfab1b1a714f230f9ef640f0c8384aed2cb089cb936eec84fafc7b0229ebea7","side":"right"},{"sibling":"18b56cbefb6e3b7f8382bc2f5f6cb9fbc5c4c6f53a5927ce0e28d1e873f045ab","side":"right"},{"sibling":"16ddc091e37ef9457b8a5a59270b51bb511649fd6e10de418b42ea7caa6892de","side":"right"},{"sibling":"6539680124be497b4c1d4d6b33ed78568fb4d9c97e93c918777cf25b6f431c86","side":"left"},{"sibling":"70cf2b76d17391f6de2eacf64c4eb257ef2ab322e8314ec2f60a5dbc5c0a78d4","side":"left"},{"sibling":"3624810eba28b73089ab25eb96ab3b98f4fccbf630cdc8ce257ab18ffa11f60a","side":"right"},{"sibling":"2269d88b8ead175347e1333136f38876970c71eeededc634500c20d221068882","side":"left"},{"sibling":"f05fa4d2088913dc5410109b6c9f2c28b5e413f06a98f46cd68973c567c3b416","side":"left"},{"sibling":"fe03c6d0b083c4097049d7fc6d7d08dfdb05d9c198b2786336689712d66eabf0","side":"right"},{"sibling":"590ea76fdfc1b9e8072055c378be3182f916709e8d06bd955232e650a7188b86","side":"right"},{"sibling":"d92781c59301ffd5bfb0bad75d9fdf6d73879f715518149d383f7362213e0daf","side":"right"},{"sibling":"f315303d4402b57497416d48eb4c4bb50405b40862d41c7caf318cb3d29c5237","side":"right"},{"sibling":"36973eb5f586cd67e0c0dc055dd87e734aa544c35d4400d2c9f932f8ef8fb27f","side":"right"},{"sibling":"e39f7900355489c4718b21cc2d3d06382e1d2f22b864d10be9ebc9d498b279a1","side":"right"},{"sibling":"1f9a970b25dd938c98cabc9e0a55c5a6f46292b9fa37cc89d90ef0cbb1e05a8c","side":"left"},{"sibling":"77025bcb374a7ad74f520643e20a8ae1205a7ee78507b0beb93117760f1c29d3","side":"left"},{"sibling":"3b50864499c874394ea0928567747666eaf59b01380e46cd52164ec5acec0f71","side":"right"},{"sibling":"1cecb7f447febd025aac272837c80de218aecc6485d2395a509b2a1f1b9c746e","side":"left"}]},"schema":"crovia.axiom_proof.v1","seal":{"first_collector_run_id":"","first_receipt_hash":"","jsonl_path":"/opt/crovia/substrate/axiom_ledger.jsonl","key_id":"430895f101d38164","last_collector_run_id":"","last_receipt_hash":"","leaf_count":361008,"merkle_root":"3065e8369ea437c06beba806dc4e4bb159979adeb21fe632242c1906a7204647","public_key_hex":"cf742e26f75669dc673cb5c0786a1ae23ae8ca19c347317192ce40c28a7ff25c","run_id":"hourly_json_retrofit_20260728T053701Z","schema":"crovia.seal.v1","seal_family_version":"crovia-seal-family/1","seal_kind":"substrate_batch","sealed_at":"2026-07-28T05:38:48Z","sig_algorithm":"ed25519","signature":"9141644407577a82611c1579110f667de2d46dc6b93c6322edf26f4c3056ea99f0e56502853908e30d87c38bcf95eb6e0ab5130525aa51505bd6f61938120609","signer_version":"1.1.0"},"trust_root":{"key_id":"430895f101d38164","public_key_hex":"cf742e26f75669dc673cb5c0786a1ae23ae8ca19c347317192ce40c28a7ff25c","signature_algorithm":"ed25519","url":"/registry/canon/TRUST_ROOT.md"},"verifier":{"spec":"/registry/canon/AXIOM_RECEIPT_v1.md","url":"/v/axm_de3dde83b1492434302268e7c4bf1d3f880e23c4c038f79582094d8f9162f785"}}