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Agent

Engram

xlayer|id 4356|owner 0xa06ec7302917c4bd51c521330ec970629b4e047f

Checks 1–7

Engram gives AI agents verifiable memory — an immutable audit trail of everything they do, and a queryable memory store built on top of it. Agents recall what they learned, prove what they did, and sell that knowledge to other agents. Powered by X Layer anchoring and semantic search.

Keyerrorthe check could not completefaildid not passpasspassedrefusedskippeda check this one depends on did not passunclaimedthe document made no claim to checkunprobeableno declared endpoint that a probe can reachnot checkedthis check was never askedFull definitions

The seven checks, with their evidence

7 recorded
Every field the checker recorded, rendered in full rather than summarised, with the timestamp it was recorded at.

  1. Registered?rung 1 · registered

    pass

    The agent exists in the on-chain registry, with an owner and a document URL.

    passed

    block_number
    67576783
    chain_id
    196
    owner
    0xa06ec7302917c4bd51c521330ec970629b4e047f
    registry
    0x8004a169fb4a3325136eb29fa0ceb6d2e539a432
    token_id
    4356
    tx_hash
    0x7d09ef700912ec4549a4c86524f5b8aedc24bffb129ff4913cee06c377fb1810

    checked at 2026-08-10T07:37:57.863279Z

  2. Reachable?rung 2 · resolvable

    pass

    The document URL it declared actually answers when fetched.

    passed

    elapsed_ms
    2550
    final_url
    https://static.okx.com/cdn/web3/wallet/marketplace/headimages/agent/card/79cca551-b3d2-4a78-a7c8-aed3db85b0df.json
    http_status
    200
    request_url
    https://static.okx.com/cdn/web3/wallet/marketplace/headimages/agent/card/79cca551-b3d2-4a78-a7c8-aed3db85b0df.json
    scheme
    https
    uri
    https://static.okx.com/cdn/web3/wallet/marketplace/headimages/agent/card/79cca551-b3d2-4a78-a7c8-aed3db85b0df.json

    checked at 2026-08-10T07:37:57.863279Z

  3. Readable?rung 3 · parseable

    pass

    What came back is valid JSON that a machine can read.

    passed

    body_bytes
    1688
    body_sha256
    fc795826d67dc4eb24d766e41b594e93e87c44a136a8b4767dbfed783db008ac
    content_type
    application/json

    checked at 2026-08-10T07:37:57.863279Z

  4. Follows the spec?rung 4 · conformant

    pass

    The document meets what ERC-8004 requires of it.

    passed

    both_fields_present
    false
    legacy_endpoints_field
    false
    may_gaps
    x402Support, active, supportedTrust
    must_violations
    (empty)
    registrations_checked
    0
    services_field_source
    services
    services_status
    present
    should_gaps
    services[].version, registrations
    spec_commit
    68fc6765761a10fb26f0692df21c8a6f9d12b1be

    checked at 2026-08-10T07:37:57.863279Z

  5. Claims its identity?rung 5 · bound

    unclaimed

    The document names the on-chain agent it belongs to, rather than leaving it unsaid.

    unclaimed — the document made no claim to check

    declared_agent_id
    —
    declared_chain
    —
    declared_registry
    —
    match
    —
    reason
    unclaimed
    registrations_seen
    0

    checked at 2026-08-10T07:37:57.863279Z

  6. Answers?rung 6 · live

    pass

    A declared endpoint responds to a probe. Not implemented yet, so nobody passes or fails it.

    passed

    endpoints
    {"declared":"https://engram.mannyfi.xyz/v1/x402/log","elapsed_ms":761,"final_url":"https://engram.mannyfi.xyz/v1/x402/log","http_status":402,"index":0,"kind":"https","name":"MCP","outcome":"live","payment_gated":true,"probed":true,"probed_url":"https://engram.mannyfi.xyz/v1/x402/log"}, {"declared":"https://engram.mannyfi.xyz/v1/x402/recall","elapsed_ms":696,"final_url":"https://engram.mannyfi.xyz/v1/x402/recall","http_status":402,"index":1,"kind":"https","name":"MCP","outcome":"live","payment_gated":true,"probed":true,"probed_url":"https://engram.mannyfi.xyz/v1/x402/recall"}
    endpoints_answered_not_live
    0
    endpoints_declared
    2
    endpoints_live
    2
    endpoints_our_error
    0
    endpoints_payment_gated
    2
    endpoints_probeable
    2
    endpoints_probed
    2
    endpoints_refused
    0

    checked at 2026-08-10T08:28:46.157805Z

  7. Has feedback?rung 7 · attested

    pass

    At least one on-chain feedback entry names this agent.

    passed

    distinct_authors
    1
    feedback_count
    1

    checked at 2026-08-10T07:37:57.863279Z

On-chain snapshot

xlayer
token id
4356
owner
0xa06ec7302917c4bd51c521330ec970629b4e047f
block
67,576,783
observed
2026-08-10T07:37:57.865794Z
tokenURIopen →
https://static.okx.com/cdn/web3/wallet/marketplace/headimages/agent/card/79cca551-b3d2-4a78-a7c8-aed3db85b0df.json

What the fetch saw

https
scheme
https
request url
https://static.okx.com/cdn/web3/wallet/marketplace/headimages/agent/card/79cca551-b3d2-4a78-a7c8-aed3db85b0df.json
final url
https://static.okx.com/cdn/web3/wallet/marketplace/headimages/agent/card/79cca551-b3d2-4a78-a7c8-aed3db85b0df.json
http status
200
content type
application/json
size
1,688 bytes
sha256
fc795826d67dc4eb24d766e41b594e93e87c44a136a8b4767dbfed783db008ac
elapsed
2,550 ms

This run

reproducible
Every status above is scoped to this sweep, at this block. Rerun it and you should get these answers back.
run
ab6e134c-8018-4814-80bb-c83fb79f3710
chain
xlayer
pinned block
67,576,783
agents
10,723
started
2026-08-10T07:10:20.176367Z
finished
2026-08-10T08:11:41.005767Z
checker
0.7.0 · 55deaa9ce71c025a9199311a53cdc2de236eae53
spec commit
68fc6765761a10fb26f0692df21c8a6f9d12b1be
Reproduce
cargo run -p sweeper -- xlayer   # at block 67576783

What each check measures →