{"kind":"insufficient-history","endpoint":{"endpoint_id":"ep_75079350270069a9","label":"signal-engine-production-d88d.up.railway.app GET /v1/arena/vwap_reversion/SOL","resource":"https://signal-engine-production-d88d.up.railway.app/v1/arena/vwap_reversion/SOL","probe_url":"https://signal-engine-production-d88d.up.railway.app/v1/arena/vwap_reversion/SOL","method":"GET","rail":"x402","operator":"signal-engine-production-d88d.up.railway.app","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":"executed","probe_class_statement":"Executed probe: the request we sent was the operator's own published example, or the route takes no body. The response grades the endpoint.","succeeds":null,"succeeds_statement":null},"current":{"observation_id":"obs_t20260901T090000Z-150","tick_id":"t20260901T090000Z","observed_at":"2026-09-01T09:01:20.233Z","outcome":"Quoted","sub_codes":[],"rule_id":"R14a","confidence":"definitive","http_status":402,"latency_total_ms":213,"quote":{"rail":"x402","x402_version":2,"scheme":"exact","network_caip2":"eip155:8453","network_native":"eip155:8453","amount_atomic":"1000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","pay_to":"0xCa87aDbCffdf6539A387783fEF17A91dbaBEEF52","max_timeout_s":300,"archived_not_published":["envelope_extensions","extensions","extra"]},"quote_fingerprint":"65157e451ba97a21","response_schema_fingerprint":"c798b14587fec8f1","capture_sha256":"2bceecb75fc62a28315f00430c0e49d7181c8e857cb55cc7a7d52f6d03c71304"},"held":{"observations":2,"first_observed_at":"2026-08-31T09:03:24.652Z","last_observed_at":"2026-09-01T09:01:20.233Z","days_held":0.9986},"archive":{"first_observed_at":"2026-08-31T09:03:24.652Z","last_observed_at":"2026-09-01T09:01:20.233Z","days_held":0.9986,"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":"2026-09-07T09:03:24.652Z","answer_version":"0.1.0","series_breaks":[{"break_id":"brk_seedversion_20260901T090120233Z_202608311_202608313","kind":"seed-version","at":"2026-09-01T09:01:20.233Z","from":"2026-09-01T09:01:20.233Z","to":"2026-09-01T09:01:20.233Z","endpoint_ids":"all","detail":"seed_version changed 2026-08-31.1 -> 2026-08-31.3; observations either side were produced by different instruments","ref":"seed_version:2026-08-31.1->2026-08-31.3"}],"tier":{"name":"free","days":7,"price_usd":0},"window":{"from":"2026-08-25T21:33:49.774Z","to":"2026-09-01T21:33:49.774Z"},"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":4,"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":"used","reason":null,"through_key":"dataset/observations/2026-09-01/t20260901T203000Z.jsonl","covers_from":"2026-08-22T14:30:00.000Z","rows_supplied":2},"statement":"Every observation file this answer opened was read (4 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 2 observation(s) of this endpoint recorded up to dataset/observations/2026-09-01/t20260901T203000Z.jsonl came from its own window projection, complete from 2026-08-22T14:30:00.000Z and verified against its own hash; only the files written after that point were opened."}}