{"kind":"insufficient-history","endpoint":{"endpoint_id":"ep_14ec49c3ede27984","label":"mathpix.mpp.paywithlocus.com POST /mathpix/process-strokes","resource":"https://mathpix.mpp.paywithlocus.com/mathpix/process-strokes","probe_url":"https://mathpix.mpp.paywithlocus.com/mathpix/process-strokes","method":"POST","rail":"mpp","operator":"paywithlocus.com","self":false,"probe_policy":"daily","policy_reason":null,"cadence":"daily","cadence_statement":"Probed once a day, at an hour this endpoint keeps, so a reading is at most a day old and this record supports day-resolution survival and price-change — never intra-day health.","probe_class":"challenge-only","probe_class_statement":"Challenge-only: an unpaid, empty request under our identifying user-agent. It grades the payment wall — alive or not, and the quoted price where one parsed — and nothing past it. This endpoint's handler has never been executed by our instrument.","succeeds":null,"succeeds_statement":null},"current":{"observation_id":"obs_t20260901T153000Z-072","tick_id":"t20260901T153000Z","observed_at":"2026-09-01T15:31:41.932Z","outcome":"Answered, no quote","sub_codes":["http-400"],"rule_id":"R19","confidence":"high","http_status":400,"latency_total_ms":779,"quote":null,"quote_fingerprint":null,"response_schema_fingerprint":"e9aec7ca4a64bc13","capture_sha256":"4c2bfc706f4d27a8e3b9c476fc501db8b182baf3ea00c2903ce06d93be3e3c22"},"held":{"observations":2,"first_observed_at":"2026-08-31T15:31:55.778Z","last_observed_at":"2026-09-01T15:31:41.932Z","days_held":0.9998},"archive":{"first_observed_at":"2026-08-31T15:31:55.778Z","last_observed_at":"2026-09-01T15:31:41.932Z","days_held":0.9998,"observations":2,"basis":"Every observation we hold of this endpoint, at ANY depth - not the window you asked for and not the tier you paid for. A free caller and a full-archive caller see the same number here, so our depth can be measured before it is bought (ADR-011). `Not probed` rows are excluded: those are our absence, never an observation of anyone."},"paid_verification":{"last_paid_at":null,"basis":"No paid execution has been performed by our instrument against this endpoint. Paid verification begins with the paid-delivery audit, which has not yet run."},"requested_days":7,"statement":"probe402 holds 2 observation(s) spanning 1.00 day(s), which cannot support a 7-day summary. The current observation above is the full extent of what we can honestly say.","satisfiable_from":"2026-09-07T15:31:55.778Z","answer_version":"0.1.0","series_breaks":[{"break_id":"brk_seedversion_20260901T153141932Z_202608313_202609011","kind":"seed-version","at":"2026-09-01T15:31:41.932Z","from":"2026-09-01T15:31:41.932Z","to":"2026-09-01T15:31:41.932Z","endpoint_ids":"all","detail":"seed_version changed 2026-08-31.3 -> 2026-09-01.1; observations either side were produced by different instruments","ref":"seed_version:2026-08-31.3->2026-09-01.1"}],"tier":{"name":"free","days":7,"price_usd":0},"window":{"from":"2026-08-25T16:11:31.135Z","to":"2026-09-01T16:11:31.135Z"},"non_affiliation":"probe402 is not affiliated with, endorsed by, or compensated by any endpoint or operator it grades. Every claim here is a dated observation from our vantage, never a statement about what an endpoint is.","method_url":"https://probe402.com/method","read_integrity":{"observation_files_read":317,"unreadable_files":0,"unreadable_keys":[],"archive_depth_memo":{"status":"used","reason":null,"through_key":"dataset/observations/2026-08-31/t20260831T234500Z.jsonl","files_memoized":293},"window_projection":{"status":"absent","reason":"endpoint ep_14ec49c3ede27984 is in id bucket 15 and the projection has rebuilt 11 of 16; the backfill reaches it in 5 more COMPLETED collector pass(es), and until then this answer is the full walk. The last pass to complete was t20260901T153000Z at 2026-09-01T15:30:00.000Z","through_key":"dataset/observations/2026-09-01/t20260901T153000Z.jsonl","covers_from":null,"rows_supplied":0},"statement":"Every observation file this answer opened was read (317 file(s)). No row is missing from this answer because we could not read it. A further 293 file(s) did not need reading: the archive-depth memo already holds their fold, checked against the archive's own listing through dataset/observations/2026-08-31/t20260831T234500Z.jsonl. The window above was walked file by file (window projection absent: endpoint ep_14ec49c3ede27984 is in id bucket 15 and the projection has rebuilt 11 of 16; the backfill reaches it in 5 more COMPLETED collector pass(es), and until then this answer is the full walk. The last pass to complete was t20260901T153000Z at 2026-09-01T15:30:00.000Z), which is the unaccelerated read and never a shorter one."}}