{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:K4D5DVC7LTTIW5TLMQRB3F7PFJ","short_pith_number":"pith:K4D5DVC7","canonical_record":{"source":{"id":"2601.09001","kind":"arxiv","version":4},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2026-01-13T21:54:38Z","cross_cats_sorted":[],"title_canon_sha256":"aac40efc5814a9e197fdc60acd3047beb63a7b36f52ea05347e3dd77ef1f01d2","abstract_canon_sha256":"2306a55281ec55297401b1b0ec2d5934193d82f2a539a4118a24bb4d2c4c40c0"},"schema_version":"1.0"},"canonical_sha256":"5707d1d45f5ce68b766b64221d97ef2a4f0221265587b201df06c06bb72033c2","source":{"kind":"arxiv","id":"2601.09001","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2601.09001","created_at":"2026-05-27T01:04:54Z"},{"alias_kind":"arxiv_version","alias_value":"2601.09001v4","created_at":"2026-05-27T01:04:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2601.09001","created_at":"2026-05-27T01:04:54Z"},{"alias_kind":"pith_short_12","alias_value":"K4D5DVC7LTTI","created_at":"2026-05-27T01:04:54Z"},{"alias_kind":"pith_short_16","alias_value":"K4D5DVC7LTTIW5TL","created_at":"2026-05-27T01:04:54Z"},{"alias_kind":"pith_short_8","alias_value":"K4D5DVC7","created_at":"2026-05-27T01:04:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:K4D5DVC7LTTIW5TLMQRB3F7PFJ","target":"record","payload":{"canonical_record":{"source":{"id":"2601.09001","kind":"arxiv","version":4},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2026-01-13T21:54:38Z","cross_cats_sorted":[],"title_canon_sha256":"aac40efc5814a9e197fdc60acd3047beb63a7b36f52ea05347e3dd77ef1f01d2","abstract_canon_sha256":"2306a55281ec55297401b1b0ec2d5934193d82f2a539a4118a24bb4d2c4c40c0"},"schema_version":"1.0"},"canonical_sha256":"5707d1d45f5ce68b766b64221d97ef2a4f0221265587b201df06c06bb72033c2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-27T01:04:54.964170Z","signature_b64":"bU74XTAHK14brQ+629qrlNKLChaD2x8dSoVSODfDNTUi22Vmin7ewbZZXKUWJ991sg2DFsE5pr3fU+wxg0WTAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5707d1d45f5ce68b766b64221d97ef2a4f0221265587b201df06c06bb72033c2","last_reissued_at":"2026-05-27T01:04:54.963237Z","signature_status":"signed_v1","first_computed_at":"2026-05-27T01:04:54.963237Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2601.09001","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-27T01:04:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zs+vjbEuJ1RWLbpMjql+ZCFJQp8Grf4i+iVzJL/fwAJQ0xUaoRSCsQpOl8ZWW91PqIxglaBytqwj9OecJILsCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T12:53:43.267362Z"},"content_sha256":"8a0ce9b42a6881aa892cc6040b49157c5fa0819ede13e66b6a32a836d9023242","schema_version":"1.0","event_id":"sha256:8a0ce9b42a6881aa892cc6040b49157c5fa0819ede13e66b6a32a836d9023242"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:K4D5DVC7LTTIW5TLMQRB3F7PFJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Entropy Sentinel: Continuous LLM Accuracy Monitoring from Decoding Entropy Traces in STEM","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CL","authors_text":"Luciano Del Corro, Pedro Memoli Buffa","submitted_at":"2026-01-13T21:54:38Z","abstract_excerpt":"Deploying LLMs raises two coupled challenges: (1) monitoring--estimating where a model underperforms as traffic and domains drift--and (2) improvement--prioritizing data acquisition to close the largest performance gaps. We test whether an inference-time signal can estimate slice-level accuracy under domain shift. For each response, we compute an output-entropy profile from final-layer next-token probabilities (from top-$k$ logprobs) and summarize it with different statistics. A lightweight classifier predicts instance correctness, and averaging predicted probabilities yields a domain-level ac"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2601.09001","kind":"arxiv","version":4},"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/2601.09001/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":"2026-05-27T01:04:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P3A5UkKPSgG2RRUxPH5yHcu/9twAMFrcwAH+nhDZVixgRLturak4mOzO/PyE4ZeDRV0bZSUiS9gGMKeZ8FgMBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T12:53:43.267738Z"},"content_sha256":"f59835a19f45908f4f3556c5bbcb8c284ad0b1b411ca27eb5420c1f484bb9bf4","schema_version":"1.0","event_id":"sha256:f59835a19f45908f4f3556c5bbcb8c284ad0b1b411ca27eb5420c1f484bb9bf4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/K4D5DVC7LTTIW5TLMQRB3F7PFJ/bundle.json","state_url":"https://pith.science/pith/K4D5DVC7LTTIW5TLMQRB3F7PFJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/K4D5DVC7LTTIW5TLMQRB3F7PFJ/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":"2026-06-11T12:53:43Z","links":{"resolver":"https://pith.science/pith/K4D5DVC7LTTIW5TLMQRB3F7PFJ","bundle":"https://pith.science/pith/K4D5DVC7LTTIW5TLMQRB3F7PFJ/bundle.json","state":"https://pith.science/pith/K4D5DVC7LTTIW5TLMQRB3F7PFJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/K4D5DVC7LTTIW5TLMQRB3F7PFJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:K4D5DVC7LTTIW5TLMQRB3F7PFJ","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":"2306a55281ec55297401b1b0ec2d5934193d82f2a539a4118a24bb4d2c4c40c0","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2026-01-13T21:54:38Z","title_canon_sha256":"aac40efc5814a9e197fdc60acd3047beb63a7b36f52ea05347e3dd77ef1f01d2"},"schema_version":"1.0","source":{"id":"2601.09001","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2601.09001","created_at":"2026-05-27T01:04:54Z"},{"alias_kind":"arxiv_version","alias_value":"2601.09001v4","created_at":"2026-05-27T01:04:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2601.09001","created_at":"2026-05-27T01:04:54Z"},{"alias_kind":"pith_short_12","alias_value":"K4D5DVC7LTTI","created_at":"2026-05-27T01:04:54Z"},{"alias_kind":"pith_short_16","alias_value":"K4D5DVC7LTTIW5TL","created_at":"2026-05-27T01:04:54Z"},{"alias_kind":"pith_short_8","alias_value":"K4D5DVC7","created_at":"2026-05-27T01:04:54Z"}],"graph_snapshots":[{"event_id":"sha256:f59835a19f45908f4f3556c5bbcb8c284ad0b1b411ca27eb5420c1f484bb9bf4","target":"graph","created_at":"2026-05-27T01:04:54Z","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/2601.09001/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Deploying LLMs raises two coupled challenges: (1) monitoring--estimating where a model underperforms as traffic and domains drift--and (2) improvement--prioritizing data acquisition to close the largest performance gaps. We test whether an inference-time signal can estimate slice-level accuracy under domain shift. For each response, we compute an output-entropy profile from final-layer next-token probabilities (from top-$k$ logprobs) and summarize it with different statistics. A lightweight classifier predicts instance correctness, and averaging predicted probabilities yields a domain-level ac","authors_text":"Luciano Del Corro, Pedro Memoli Buffa","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2026-01-13T21:54:38Z","title":"Entropy Sentinel: Continuous LLM Accuracy Monitoring from Decoding Entropy Traces in STEM"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2601.09001","kind":"arxiv","version":4},"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":"sha256:8a0ce9b42a6881aa892cc6040b49157c5fa0819ede13e66b6a32a836d9023242","target":"record","created_at":"2026-05-27T01:04:54Z","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":"2306a55281ec55297401b1b0ec2d5934193d82f2a539a4118a24bb4d2c4c40c0","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2026-01-13T21:54:38Z","title_canon_sha256":"aac40efc5814a9e197fdc60acd3047beb63a7b36f52ea05347e3dd77ef1f01d2"},"schema_version":"1.0","source":{"id":"2601.09001","kind":"arxiv","version":4}},"canonical_sha256":"5707d1d45f5ce68b766b64221d97ef2a4f0221265587b201df06c06bb72033c2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5707d1d45f5ce68b766b64221d97ef2a4f0221265587b201df06c06bb72033c2","first_computed_at":"2026-05-27T01:04:54.963237Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-27T01:04:54.963237Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bU74XTAHK14brQ+629qrlNKLChaD2x8dSoVSODfDNTUi22Vmin7ewbZZXKUWJ991sg2DFsE5pr3fU+wxg0WTAA==","signature_status":"signed_v1","signed_at":"2026-05-27T01:04:54.964170Z","signed_message":"canonical_sha256_bytes"},"source_id":"2601.09001","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8a0ce9b42a6881aa892cc6040b49157c5fa0819ede13e66b6a32a836d9023242","sha256:f59835a19f45908f4f3556c5bbcb8c284ad0b1b411ca27eb5420c1f484bb9bf4"],"state_sha256":"c53cb0ef7b65c5e29bda2ff10b171f95ba2443b7600ce46a1799ade189fab696"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dkVt9mugRhFSl5M88gjNPYYNVSH/ZEtCUL/ZFKKEwhNcd1yjheHWBMRRwyn598OAolgrrPzcnUxx0BVb8hT/BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T12:53:43.269796Z","bundle_sha256":"99e58de415533ed262defb2eeddd8b46c32a97bfd8dcd8c56cb67657638d5492"}}