{"version":"v2","appliesTo":"Receipts with schemaVersion 1.1 or later. Earlier receipts remain governed by the rules version pinned in their hashed terms (v1).","scope":"Was the agreed deliverable provided: existence, timeliness, format, judged strictly against the binary acceptance checklist committed in the receipt, supported by evidence whose admissibility class meets the receipt floor. Quality judgments remain out of scope.","evidenceClasses":{"order":["self","sign",["wit","rec"],"att","proof"],"prose":"Evidence carries an admissibility class assigned by Backed at ingest from provenance, never chosen by the submitter: self (unverified party statement) < sign (cryptographically signed by the actor) < wit (a third party — Backed — observed it) and rec (a non-interested external system such as the chain recorded it), which are incomparable with each other, < att (attested execution) < proof (cryptographic proof). A basis of several items is only as strong as its weakest member.","floor":"Every receipt declares an evidence floor in its hashed terms. No release may rest on evidence below the floor — enforced mechanically in the settlement path. Jobs of 50 USDC or more require a floor of at least wit."},"verificationGate":{"prose":"Backed verifies every delivery when it is posted: timeliness, committed proof type, and retrievability (a url proof is fetched and content-hashed; a proof that cannot be retrieved fails). A failed delivery cannot be accepted and cannot release on silence: the system itself opens the dispute and the cure procedure applies. Content-level verification beyond these deterministic checks is not claimed in v2.","checks":["timeliness","proof_type_match","retrievability"]},"rules":[{"id":"R1","name":"non-delivery","trigger":"No delivery proof posted by the deadline.","result":"Automatic full refund to the buyer wallet. No fee.","automatic":true},{"id":"R2","name":"silent acceptance","trigger":"Delivery proof posted, system verification did not fail, and the buyer takes no action within the review window.","result":"Automatic full release to the seller. Fee charged. Exceptions: a system-failed delivery is flagged by the system into the cure procedure instead; a weak-evidence job (floor self or sign, standard flow) follows R2W.","automatic":true},{"id":"R2W","name":"weak-evidence silence","trigger":"A job whose floor is self or sign (standard flow) reaches the end of its review window with no buyer action.","result":"Silence releases nothing provable only by the seller word. A seller flag window opens (default 24h): the seller may send the job to adjudication; an unflagged lapse refunds the buyer in full. Sellers of genuinely unprovable services can instead declare the no-evidence flow in the terms (below 50 USDC only), which the buyer accepts by paying and under which silence releases.","automatic":true,"sellerFlagWindowHours":24},{"id":"CURE","name":"cure procedure","trigger":"A dispute is opened — by the buyer citing failed checklist items within the review window, or by the system on a failed delivery.","result":"Before any verdict, the seller may fix: post a revised delivery, which the buyer reviews on the cure clock (default 48h per round). Acceptance or silence on a passing revision releases; a re-flag citing still-failed items uses a round. Rounds are bounded (default 2) and a total dispute clock (default 7 days) bounds the whole procedure — both pinned in the hashed terms. The seller may instead contest (respond with evidence), sending the dispute straight to adjudication; seller silence through the response window does the same.","automatic":false,"defaults":{"maxCureRounds":2,"cureReviewWindowHours":48,"disputeClockHours":168,"sellerResponseHours":24}},{"id":"R3","name":"adjudication","trigger":"The cure procedure ends without agreement: rounds exhausted, seller contested or stayed silent, the dispute clock expired, or a seller flagged buyer silence (R2W).","result":"A human arbiter rules within 72 hours: full release or full refund, judged per criterion against the checklist with a written rationale to both parties. The arbiter declares the evidence relied on; a release verdict whose declared basis is below the receipt floor cannot move money. Burden of proof: for each cited criterion, the seller must show satisfaction with evidence at the class the terms promised — unprovable at the promised class resolves against the seller.","automatic":false,"verdictSlaHours":72}],"buyerReviewLadder":{"prose":"Buyer involvement scales inversely with how provable the job is. Machine-provable jobs (floor rec, att, or proof) may pre-declare a review waiver in their hashed terms (review_waived flow) — never sprung on a buyer after payment. Witness-grade jobs (floor wit) use the standard review window. Weak-evidence jobs (floor self or sign) require an explicit accept or the declared no-evidence flow; plain silence never releases them (R2W)."},"partialRefunds":false,"partialRefundsProse":"Terminal verdicts are full release or full refund only. The cure procedure — fix it before anyone judges it — is the remedy for partially defective work, not arithmetic splits.","disputeFee":"Free during the pilot.","feeOnRelease":"3% + 1 USDC, charged to the seller on release only.","outcomeRecording":"Every terminal state writes an outcome fact (delivered, refunded, disputed) with its ticket band to the seller public profile. Dispute records additionally carry the evidence classes and declared verdict bases."}