All projects matching “disputes”

Citation-locked medical-bill letter: No Surprises Act balance-bill dispute, health-plan internal appeal, hospital financial-assistance cover letter, Medicare redetermination, or GFE dispute filing pack — deterministic eligibility + computed deadlines + a ready-to-send document. Honest-no: nothing sold on expired windows or unprotected scenarios.

Prove what a web page showed: verify completed work, freeze evidence for a dispute, certify a page before you rely on it. Two independent observers on separate networks capture your URL at one frozen instant: byte-identical is CERTIFIED; disagreement is WITNESSED with pixel agreement and diff map. Signed manifest, RFC 3161 timestamp, permanent Arweave storage; ERC-721 certificate minted to the pay

Independently fetch, hash, timestamp and archive a URL or API response; returns a signed certificate. Merkle-anchored on Base hourly. Neutral third-party evidence for agent commerce disputes.

Non-custodial refunds and arbitration for x402 payments.