{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:UHUIJ724O44DXHLLX5WU4FYNQO","short_pith_number":"pith:UHUIJ724","canonical_record":{"source":{"id":"2607.07146","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-07-08T08:38:40Z","cross_cats_sorted":["cs.CV","eess.IV"],"title_canon_sha256":"4034996ee4b9ced773e7b245de899ca3a41b025ab81e9267c459c07ba4fb1b90","abstract_canon_sha256":"72dd8f8a688e71c0f3be5c8f796df15205dae2bf9676cf2ccf8909aa970a1882"},"schema_version":"1.0"},"canonical_sha256":"a1e884ff5c77383b9d6bbf6d4e170d83b8233e03fa2f49f437779fce887d4187","source":{"kind":"arxiv","id":"2607.07146","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.07146","created_at":"2026-07-09T01:20:15Z"},{"alias_kind":"arxiv_version","alias_value":"2607.07146v1","created_at":"2026-07-09T01:20:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.07146","created_at":"2026-07-09T01:20:15Z"},{"alias_kind":"pith_short_12","alias_value":"UHUIJ724O44D","created_at":"2026-07-09T01:20:15Z"},{"alias_kind":"pith_short_16","alias_value":"UHUIJ724O44DXHLL","created_at":"2026-07-09T01:20:15Z"},{"alias_kind":"pith_short_8","alias_value":"UHUIJ724","created_at":"2026-07-09T01:20:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:UHUIJ724O44DXHLLX5WU4FYNQO","target":"record","payload":{"canonical_record":{"source":{"id":"2607.07146","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-07-08T08:38:40Z","cross_cats_sorted":["cs.CV","eess.IV"],"title_canon_sha256":"4034996ee4b9ced773e7b245de899ca3a41b025ab81e9267c459c07ba4fb1b90","abstract_canon_sha256":"72dd8f8a688e71c0f3be5c8f796df15205dae2bf9676cf2ccf8909aa970a1882"},"schema_version":"1.0"},"canonical_sha256":"a1e884ff5c77383b9d6bbf6d4e170d83b8233e03fa2f49f437779fce887d4187","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-09T01:20:15.707327Z","signature_b64":"s1D2apy3jSP78U9AtXPldu9ABPCnB0IoYAyq4jX+YKOSeTiqZGZcGyfcoGm44bzo8tj6vFqplcaQ41o7czUSDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a1e884ff5c77383b9d6bbf6d4e170d83b8233e03fa2f49f437779fce887d4187","last_reissued_at":"2026-07-09T01:20:15.706984Z","signature_status":"signed_v1","first_computed_at":"2026-07-09T01:20:15.706984Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.07146","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":"2026-07-09T01:20:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jCyoxZgjIyw0f+8B1wR0/+75yQjvS6zzDgdlxL0BQsR3r5hzGx4yxHDVZIWwAhNpZ1x3+CLBZPlrUG94DEquDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T09:08:22.385861Z"},"content_sha256":"9839b70fc1a03438c17ce1b1b910e9720a3a7500c24f7dc9fa724083fcf55039","schema_version":"1.0","event_id":"sha256:9839b70fc1a03438c17ce1b1b910e9720a3a7500c24f7dc9fa724083fcf55039"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:UHUIJ724O44DXHLLX5WU4FYNQO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Prior-matched evaluation of operational Earth-observation classifiers: a three-number reporting method demonstrated on Sentinel-1 internal-wave detection","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.CV","eess.IV"],"primary_cat":"cs.LG","authors_text":"Adriana Santos-Ferreira, Arun Shukla, Joao Goncalves, Joao Pinelo","submitted_at":"2026-07-08T08:38:40Z","abstract_excerpt":"The Internal Waves Service screens the Sentinel-1 Wave-mode archive for internal solitary waves, routing detections to experts whose adjudication time is the resource the effort exists to conserve. Because attention is the cost of error, precision leads. Its classifier was trained and reported at a one-to-one class balance, fixed before the operational rate could be known. That rate has since emerged at roughly one scene in twenty, and a balanced-test score badly overstates the precision a validator meets. A model that scores 0.794 balanced-test precision scores 0.192 in real operation: the ga"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.07146","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/2607.07146/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":"2026-07-09T01:20:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PCOxOhStiaKW8Yc2TTuP8mrlAfi47+ZYAtNWqxYx00cSUeHD3gQQyzgz4Yv7aTLFA/zKWDzsFZNBjJLYaTrJBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T09:08:22.387476Z"},"content_sha256":"ae76bf39ff893f45a6beee885cf39506235a883c046a81480a872e6f976454cb","schema_version":"1.0","event_id":"sha256:ae76bf39ff893f45a6beee885cf39506235a883c046a81480a872e6f976454cb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UHUIJ724O44DXHLLX5WU4FYNQO/bundle.json","state_url":"https://pith.science/pith/UHUIJ724O44DXHLLX5WU4FYNQO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UHUIJ724O44DXHLLX5WU4FYNQO/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":"2026-08-16T09:08:22Z","links":{"resolver":"https://pith.science/pith/UHUIJ724O44DXHLLX5WU4FYNQO","bundle":"https://pith.science/pith/UHUIJ724O44DXHLLX5WU4FYNQO/bundle.json","state":"https://pith.science/pith/UHUIJ724O44DXHLLX5WU4FYNQO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UHUIJ724O44DXHLLX5WU4FYNQO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:UHUIJ724O44DXHLLX5WU4FYNQO","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":"72dd8f8a688e71c0f3be5c8f796df15205dae2bf9676cf2ccf8909aa970a1882","cross_cats_sorted":["cs.CV","eess.IV"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-07-08T08:38:40Z","title_canon_sha256":"4034996ee4b9ced773e7b245de899ca3a41b025ab81e9267c459c07ba4fb1b90"},"schema_version":"1.0","source":{"id":"2607.07146","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.07146","created_at":"2026-07-09T01:20:15Z"},{"alias_kind":"arxiv_version","alias_value":"2607.07146v1","created_at":"2026-07-09T01:20:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.07146","created_at":"2026-07-09T01:20:15Z"},{"alias_kind":"pith_short_12","alias_value":"UHUIJ724O44D","created_at":"2026-07-09T01:20:15Z"},{"alias_kind":"pith_short_16","alias_value":"UHUIJ724O44DXHLL","created_at":"2026-07-09T01:20:15Z"},{"alias_kind":"pith_short_8","alias_value":"UHUIJ724","created_at":"2026-07-09T01:20:15Z"}],"graph_snapshots":[{"event_id":"sha256:ae76bf39ff893f45a6beee885cf39506235a883c046a81480a872e6f976454cb","target":"graph","created_at":"2026-07-09T01:20:15Z","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/2607.07146/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Internal Waves Service screens the Sentinel-1 Wave-mode archive for internal solitary waves, routing detections to experts whose adjudication time is the resource the effort exists to conserve. Because attention is the cost of error, precision leads. Its classifier was trained and reported at a one-to-one class balance, fixed before the operational rate could be known. That rate has since emerged at roughly one scene in twenty, and a balanced-test score badly overstates the precision a validator meets. A model that scores 0.794 balanced-test precision scores 0.192 in real operation: the ga","authors_text":"Adriana Santos-Ferreira, Arun Shukla, Joao Goncalves, Joao Pinelo","cross_cats":["cs.CV","eess.IV"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-07-08T08:38:40Z","title":"Prior-matched evaluation of operational Earth-observation classifiers: a three-number reporting method demonstrated on Sentinel-1 internal-wave detection"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.07146","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":"sha256:9839b70fc1a03438c17ce1b1b910e9720a3a7500c24f7dc9fa724083fcf55039","target":"record","created_at":"2026-07-09T01:20:15Z","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":"72dd8f8a688e71c0f3be5c8f796df15205dae2bf9676cf2ccf8909aa970a1882","cross_cats_sorted":["cs.CV","eess.IV"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-07-08T08:38:40Z","title_canon_sha256":"4034996ee4b9ced773e7b245de899ca3a41b025ab81e9267c459c07ba4fb1b90"},"schema_version":"1.0","source":{"id":"2607.07146","kind":"arxiv","version":1}},"canonical_sha256":"a1e884ff5c77383b9d6bbf6d4e170d83b8233e03fa2f49f437779fce887d4187","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a1e884ff5c77383b9d6bbf6d4e170d83b8233e03fa2f49f437779fce887d4187","first_computed_at":"2026-07-09T01:20:15.706984Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-09T01:20:15.706984Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"s1D2apy3jSP78U9AtXPldu9ABPCnB0IoYAyq4jX+YKOSeTiqZGZcGyfcoGm44bzo8tj6vFqplcaQ41o7czUSDQ==","signature_status":"signed_v1","signed_at":"2026-07-09T01:20:15.707327Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.07146","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9839b70fc1a03438c17ce1b1b910e9720a3a7500c24f7dc9fa724083fcf55039","sha256:ae76bf39ff893f45a6beee885cf39506235a883c046a81480a872e6f976454cb"],"state_sha256":"295f97f4c2062883d383c13826e279ce43a88f3279088ef24140cc99dd1e3901"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wUhenom4GKRU2P64YMe7PjpMc/O0aUJGdLUU/y0XdEqlmTh4HzfQKqexrWOTsJGXq+Ea2Y73JWqSbuQaoEC9BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T09:08:22.397408Z","bundle_sha256":"75b789ec1707c67658cd2afe708871bb17273120601632e59c04b57d6eec5597"}}