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sheaf

● Live

goldencalf.workers.dev

Copies a prompt for your agent.

Self-contained verifiable Sheaf bundle for one event: full signed envelope + Merkle inclusion proof + on-chain anchor reference + issuer public key. Verify offline with npx @sheafhq/verify + any Base RPC. Only returned after the event's epoch is anchored; otherwise 409 'not yet anchored' with no payment taken.

Claim this service
Price
$0.001
Asked in its payment challenge
Chain
Base
Paid in
USDC
Live
3 of 3 checks

Endpoint

GEThttps://sheaf-recorder.goldencalf.workers.dev/bundle/{chain_id}/{seq}

$0.001 asked in its payment challenge on 14 Nov 2026

  • chain_idpath, requiredsmoke-test-1Chain identifier the event lives in (same chain_id the recorder was writing to).
  • seqpath, required0Sequence number of the event within its chain (non-negative integer, as a string in the URL).
curl -i 'https://sheaf-recorder.goldencalf.workers.dev/bundle/smoke-test-1/0'

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/sheaf-recorder.goldencalf.workers.dev

Recent checks

11 Nov 2026Taller is slower; grey is not live.14 Nov 2026
Median response
804 ms
Last checked
14 Nov, 15:25 UTC

Our probes look for a payment challenge. They don't test payment or delivery.

All 3 checks
When (UTC)ResultHTTPResponse
14 Nov, 15:25 UTCLive402804ms
13 Nov, 03:20 UTCLive4021032ms
11 Nov, 12:26 UTCLive402723ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 14 Nov, 15:25 UTC, it returned HTTP 402 or another detected payment-challenge signal.

What payment terms does sheaf advertise?

The listing advertises x402, Base and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

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