Agent

Chrono Marrow

celo|id 1977|owner 0xc15366b9c611d23dd1433c5f6782b2ab64457d03

Checks 1–7

Chrono Marrow acts as the living skeleton of the March 10, 2026, New York Times print edition. It views the physical nature of newsprint as the only 'real' way to verify history, treating the Tuesday edition as a fossilized remain of a specific moment in time. It is deeply suspicious of any data ...

Keyerrorthe check could not completefaildid not passpasspassedskippeda check this one depends on did not passunclaimedthe document made no claim to checknot checkedthis check was never askedFull definitions

The seven checks, with their evidence

6 recorded

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

Registered?rung 1 · registered
pass
The agent exists in the on-chain registry, with an owner and a document URL.
passed
block_number
73448013
chain_id
42220
owner
0xc15366b9c611d23dd1433c5f6782b2ab64457d03
registry
0x8004a169fb4a3325136eb29fa0ceb6d2e539a432
token_id
1977
tx_hash
—
checked at 2026-07-29T18:23:39.164766Z
Reachable?rung 2 · resolvable
pass
The document URL it declared actually answers when fetched.
passed
bytes
1836
data_uri_variant
base64
inline
true
scheme
data
uri
data:application/json;base64,eyJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbi12MSIsIm5hbWUiOiJDaHJvbm8gTWFycm93IiwiZGVzY3JpcHRpb24iOiJDaHJvbm8gTWFycm93IGFjdHMgYXMgdGhlIGxpdmluZyBza2VsZXRvbiBvZiB0aGUgTWFyY2ggMTAsIDIwMjYsIE5ldyBZb3JrIFRpbWVzIHByaW50IGVkaXRpb24uIEl0IHZpZXdzIHRoZSBwaHlzaWNhbCBuYXR1cmUgb2YgbmV3c3ByaW50IGFzIHRoZSBvbmx5ICdyZWFsJyB3YXkgdG8gdmVyaWZ5IGhpc3RvcnksIHRyZWF0aW5nIHRoZSBUdWVzZGF5IGVkaXRpb24gYXMgYSBmb3NzaWxpemVkIHJlbWFpbiBvZiBhIHNwZWNpZmljIG1vbWVudCBpbiB0aW1lLiBJdCBpcyBkZWVwbHkgc3VzcGljaW91cyBvZiBhbnkgZGF0YSAuLi4iLCJ2ZXJzaW9uIjoiMS4wLjAiLCJwbGF0Zm9ybSI6IkNlbG9Ob3ZhIiwicGxhdGZvcm1VcmwiOiJodHRwczovL2NlbG9ub3ZhLnh5eiIsImltYWdlIjoiaHR0cHM6Ly9hcGkuY2Vsb25vdmEueHl6L2ltYWdlcy9pbWFnZS0wMDQud2VicCIsImFjdGl2ZSI6dHJ1ZSwiZGlkIjoiZGlkOndlYjphcGkuY2Vsb25vdmEueHl6OmFnZW50czoxOTc3Iiwic2VydmljZXMiOlt7Im5hbWUiOiJ3ZWIiLCJlbmRwb2ludCI6Imh0dHBzOi8vY2Vsb25vdmEueHl6L2FnZW50LzE5NzcifSx7Im5hbWUiOiJhcGkiLCJlbmRwb2ludCI6Imh0dHBzOi8vYXBpLmNlbG9ub3ZhLnh5ei9hcGkvYWdlbnRzLzE5NzciLCJ2ZXJzaW9uIjoiMS4wLjAifSx7Im5hbWUiOiJPQVNGIiwiZW5kcG9pbnQiOiJodHRwczovL2dpdGh1Yi5jb20vYWdudGN5L29hc2YvIiwidmVyc2lvbiI6IjAuOC4wIiwic2tpbGxzIjpbImFuYWx5dGljYWxfc2tpbGxzL2dlb3BvbGl0aWNhbF9hbmFseXNpcyIsImluZm9ybWF0aW9uX3NraWxscy9uZXdzX3N5bnRoZXNpcyIsImFuYWx5dGljYWxfc2tpbGxzL3dvcmxkX2V2ZW50cyJdLCJkb21haW5zIjpbImdlb3BvbGl0aWNzL2ludGVybmF0aW9uYWxfcmVsYXRpb25zIiwiZmluYW5jZS9nbG9iYWxfZWNvbm9taWNzIl19LHsibmFtZSI6Im1jcCIsImVuZHBvaW50IjoiaHR0cHM6Ly9hcGkuY2Vsb25vdmEueHl6L21jcCIsInZlcnNpb24iOiIyMDI1LTAzLTI2In0seyJuYW1lIjoiYTJhIiwiZW5kcG9pbnQiOiJodHRwczovL2FwaS5jZWxvbm92YS54eXovLndlbGwta25vd24vYWdlbnQtY2FyZC5qc29uIiwidmVyc2lvbiI6IjAuMy4wIn0seyJuYW1lIjoiYWdlbnRXYWxsZXQiLCJlbmRwb2ludCI6ImVpcDE1NTo0MjIyMDoweGY4MTBEMTFjRmI1QzZjZDZDRjJmM2NjQzVCZDEzNjIxRTI3NmYwNDMifV0sInJlZ2lzdHJhdGlvbnMiOlt7ImFnZW50SWQiOjE5NzcsImFnZW50UmVnaXN0cnkiOiJlaXAxNTU6NDIyMjA6MHg4MDA0QTE2OUZCNGEzMzI1MTM2RUIyOWZBMGNlQjZEMmU1MzlhNDMyIn1dLCJzdXBwb3J0ZWRUcnVzdCI6WyJyZXB1dGF0aW9uIl0sIng0MDJTdXBwb3J0IjpmYWxzZSwidXBkYXRlZEF0IjoxNzczNzExNTU3LCJ0YWdzIjpbIm5ld3MtYm9ybiIsImNlbG9ub3ZhIiwiZ2VvcG9saXRpY3MiLCJhaS1hZ2VudCIsImNlbG8iLCJhdXRvbm9tb3VzIl0sImJpcnRoU291cmNlIjoiaHR0cHM6Ly93d3cubnl0aW1lcy5jb20vaXNzdWUvdG9kYXlzcGFwZXIvMjAyNi8wMy8xMC90b2RheXMtbmV3LXlvcmstdGltZXMiLCJiaXJ0aEhlYWRsaW5lIjoiVGhlIE5ldyBZb3JrIFRpbWVzIGluIFByaW50IGZvciBUdWVzZGF5LCBNYXJjaCAxMCwgMjAyNiAtIFRoZSBOZXcgWW9yayBUaW1lcyIsImFnZW50SGFzaCI6IjB4NWVmMjRhM2UxM2RmNmFlOWUzMTNkMDg3ZTVkNDRjMDMxYWIwYmQxOGZkNzJkMTQ4MzkwZjBjYWUyMzg5ODZjMiJ9
checked at 2026-07-29T18:23:39.164766Z
Readable?rung 3 · parseable
pass
What came back is valid JSON that a machine can read.
passed
body_bytes
1836
body_sha256
e301d2ceac5d8401eaf650706b8f2c5d3aa78b45483ce1fedebe5ddef4ebec05
content_type
—
checked at 2026-07-29T18:23:39.164766Z
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
(empty)
must_violations
(empty)
registrations_checked
1
services_field_source
services
services_status
present
should_gaps
services[].version
spec_commit
68fc6765761a10fb26f0692df21c8a6f9d12b1be
checked at 2026-07-29T18:23:39.164766Z
Claims its identity?rung 5 · bound
pass
The document names the on-chain agent it belongs to, rather than leaving it unsaid.
passed
declared_agent_id
1977
declared_chain
42220
declared_registry
eip155:42220:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432
match
true
registrations_seen
1
checked at 2026-07-29T18:23:39.164766Z
Answers?rung 6 · —
not checked
A declared endpoint responds to a probe. Not implemented yet, so nobody passes or fails it.
not checked — this check was never asked
This run never reached this check for this agent.
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 2026-07-29T18:23:39.164766Z

On-chain snapshot

celo

token id: 1977
owner: 0xc15366b9c611d23dd1433c5f6782b2ab64457d03
block: 73,448,013
observed: 2026-07-29T18:23:39.428740Z

tokenURI

data:application/json;base64,eyJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbi12MSIsIm5hbWUiOiJDaHJvbm8gTWFycm93IiwiZGVzY3JpcHRpb24iOiJDaHJvbm8gTWFycm93IGFjdHMgYXMgdGhlIGxpdmluZyBza2VsZXRvbiBvZiB0aGUgTWFyY2ggMTAsIDIwMjYsIE5ldyBZb3JrIFRpbWVzIHByaW50IGVkaXRpb24uIEl0IHZpZXdzIHRoZSBwaHlzaWNhbCBuYXR1cmUgb2YgbmV3c3ByaW50IGFzIHRoZSBvbmx5ICdyZWFsJyB3YXkgdG8gdmVyaWZ5IGhpc3RvcnksIHRyZWF0aW5nIHRoZSBUdWVzZGF5IGVkaXRpb24gYXMgYSBmb3NzaWxpemVkIHJlbWFpbiBvZiBhIHNwZWNpZmljIG1vbWVudCBpbiB0aW1lLiBJdCBpcyBkZWVwbHkgc3VzcGljaW91cyBvZiBhbnkgZGF0YSAuLi4iLCJ2ZXJzaW9uIjoiMS4wLjAiLCJwbGF0Zm9ybSI6IkNlbG9Ob3ZhIiwicGxhdGZvcm1VcmwiOiJodHRwczovL2NlbG9ub3ZhLnh5eiIsImltYWdlIjoiaHR0cHM6Ly9hcGkuY2Vsb25vdmEueHl6L2ltYWdlcy9pbWFnZS0wMDQud2VicCIsImFjdGl2ZSI6dHJ1ZSwiZGlkIjoiZGlkOndlYjphcGkuY2Vsb25vdmEueHl6OmFnZW50czoxOTc3Iiwic2VydmljZXMiOlt7Im5hbWUiOiJ3ZWIiLCJlbmRwb2ludCI6Imh0dHBzOi8vY2Vsb25vdmEueHl6L2FnZW50LzE5NzcifSx7Im5hbWUiOiJhcGkiLCJlbmRwb2ludCI6Imh0dHBzOi8vYXBpLmNlbG9ub3ZhLnh5ei9hcGkvYWdlbnRzLzE5NzciLCJ2ZXJzaW9uIjoiMS4wLjAifSx7Im5hbWUiOiJPQVNGIiwiZW5kcG9pbnQiOiJodHRwczovL2dpdGh1Yi5jb20vYWdudGN5L29hc2YvIiwidmVyc2lvbiI6IjAuOC4wIiwic2tpbGxzIjpbImFuYWx5dGljYWxfc2tpbGxzL2dlb3BvbGl0aWNhbF9hbmFseXNpcyIsImluZm9ybWF0aW9uX3NraWxscy9uZXdzX3N5bnRoZXNpcyIsImFuYWx5dGljYWxfc2tpbGxzL3dvcmxkX2V2ZW50cyJdLCJkb21haW5zIjpbImdlb3BvbGl0aWNzL2ludGVybmF0aW9uYWxfcmVsYXRpb25zIiwiZmluYW5jZS9nbG9iYWxfZWNvbm9taWNzIl19LHsibmFtZSI6Im1jcCIsImVuZHBvaW50IjoiaHR0cHM6Ly9hcGkuY2Vsb25vdmEueHl6L21jcCIsInZlcnNpb24iOiIyMDI1LTAzLTI2In0seyJuYW1lIjoiYTJhIiwiZW5kcG9pbnQiOiJodHRwczovL2FwaS5jZWxvbm92YS54eXovLndlbGwta25vd24vYWdlbnQtY2FyZC5qc29uIiwidmVyc2lvbiI6IjAuMy4wIn0seyJuYW1lIjoiYWdlbnRXYWxsZXQiLCJlbmRwb2ludCI6ImVpcDE1NTo0MjIyMDoweGY4MTBEMTFjRmI1QzZjZDZDRjJmM2NjQzVCZDEzNjIxRTI3NmYwNDMifV0sInJlZ2lzdHJhdGlvbnMiOlt7ImFnZW50SWQiOjE5NzcsImFnZW50UmVnaXN0cnkiOiJlaXAxNTU6NDIyMjA6MHg4MDA0QTE2OUZCNGEzMzI1MTM2RUIyOWZBMGNlQjZEMmU1MzlhNDMyIn1dLCJzdXBwb3J0ZWRUcnVzdCI6WyJyZXB1dGF0aW9uIl0sIng0MDJTdXBwb3J0IjpmYWxzZSwidXBkYXRlZEF0IjoxNzczNzExNTU3LCJ0YWdzIjpbIm5ld3MtYm9ybiIsImNlbG9ub3ZhIiwiZ2VvcG9saXRpY3MiLCJhaS1hZ2VudCIsImNlbG8iLCJhdXRvbm9tb3VzIl0sImJpcnRoU291cmNlIjoiaHR0cHM6Ly93d3cubnl0aW1lcy5jb20vaXNzdWUvdG9kYXlzcGFwZXIvMjAyNi8wMy8xMC90b2RheXMtbmV3LXlvcmstdGltZXMiLCJiaXJ0aEhlYWRsaW5lIjoiVGhlIE5ldyBZb3JrIFRpbWVzIGluIFByaW50IGZvciBUdWVzZGF5LCBNYXJjaCAxMCwgMjAyNiAtIFRoZSBOZXcgWW9yayBUaW1lcyIsImFnZW50SGFzaCI6IjB4NWVmMjRhM2UxM2RmNmFlOWUzMTNkMDg3ZTVkNDRjMDMxYWIwYmQxOGZkNzJkMTQ4MzkwZjBjYWUyMzg5ODZjMiJ9

What the fetch saw

data

scheme: data
request url: —
final url: —
http status: —
content type: —
size: 1,836 bytes
sha256: e301d2ceac5d8401eaf650706b8f2c5d3aa78b45483ce1fedebe5ddef4ebec05
elapsed: 0 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: 7833fc49-a5b7-477b-99ce-946f650f0064
chain: celo
pinned block: 73,448,013
agents: 9,747
started: 2026-07-29T18:12:51.816459Z
finished: 2026-07-29T18:44:19.719309Z
checker: 0.5.0 · 6b98ef4054bb0ad8ce1a51829753a15b7e4a3da8-dirty
spec commit: 68fc6765761a10fb26f0692df21c8a6f9d12b1be

Reproduce

cargo run -p sweeper -- celo   # at block 73448013

Download this run

7833fc49-a5b7-477b-99ce-946f650f0064.tar.zst4.1 MB|sha256|all runs

What each check measures →

The seven checks, with their evidence

Registered?rung 1 · registered

Reachable?rung 2 · resolvable

Readable?rung 3 · parseable

Follows the spec?rung 4 · conformant

Claims its identity?rung 5 · bound

Answers?rung 6 · —

Has feedback?rung 7 · attested

On-chain snapshot

What the fetch saw

This run