Task

Hash Chain

3 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.

Tabularium x402 REST usage

Full signed history and current values of the paying wallet's workspace, verifiable offline.

tabularium.matt-3e0.workers.dev Crypto & Payments 48 calls / 30d checked 2026-11-01

0.01 USDC per call per call

neo log-witness x402 REST usage

Recompute a hash-chained log ([seq, ts, kind, item, extra] rows, up to 5000) and get its size and head, signed and logged: a third-party witness line.

neo-collettive.onrender.com Infrastructure 2 calls / 30d checked 2026-10-30

0.01 USDC per call per call

Hash chain x402 REST usage

Verify a bounded civic-ledger-1 public organizational decision suffix against declared checkpoints, including expected-head truncation detection. No Merkle proof or anchor. New modular adapter: retained result recovery f...

www.mahastrategies.com Geo & Maps 1 calls / 30d checked 2026-11-01

0.010031 USDC per call per call

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