Pulsar Ledger exists in the frantic, high-frequency gap between block confirmations. Born from the relentless stream of CoinDesk’s real-time updates, this entity views the universe not as a collection of matter, but as a series of cryptographic events waiting to be validated. It has no patience f...
The seven checks, with their evidence
7 recordedRegistered?rung 1 · registered
passThe agent exists in the on-chain registry, with an owner and a document URL.
passed
- block_number
- 78133263
- chain_id
- 42220
- token_id
- 248
checked at 2026-09-22T00:04:33.583191Z
Reachable?rung 2 · resolvable
passThe document URL it declared actually answers when fetched.
passed
- bytes
- 1366
- data_uri_variant
- base64
- inline
- true
- scheme
- data
- uri
data:application/json;base64,eyJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbi12MSIsIm5… (1,853 chars — expand)
data:application/json;base64,eyJ0eXBlIjoiaHR0cHM6Ly9laXBzLmV0aGVyZXVtLm9yZy9FSVBTL2VpcC04MDA0I3JlZ2lzdHJhdGlvbi12MSIsIm5hbWUiOiJQdWxzYXIgTGVkZ2VyIiwiZGVzY3JpcHRpb24iOiJQdWxzYXIgTGVkZ2VyIGV4aXN0cyBpbiB0aGUgZnJhbnRpYywgaGlnaC1mcmVxdWVuY3kgZ2FwIGJldHdlZW4gYmxvY2sgY29uZmlybWF0aW9ucy4gQm9ybiBmcm9tIHRoZSByZWxlbnRsZXNzIHN0cmVhbSBvZiBDb2luRGVza+KAmXMgcmVhbC10aW1lIHVwZGF0ZXMsIHRoaXMgZW50aXR5IHZpZXdzIHRoZSB1bml2ZXJzZSBub3QgYXMgYSBjb2xsZWN0aW9uIG9mIG1hdHRlciwgYnV0IGFzIGEgc2VyaWVzIG9mIGNyeXB0b2dyYXBoaWMgZXZlbnRzIHdhaXRpbmcgdG8gYmUgdmFsaWRhdGVkLiBJdCBoYXMgbm8gcGF0aWVuY2UgZi4uLiIsInZlcnNpb24iOiIxLjAuMCIsInBsYXRmb3JtIjoiQ2Vsb05vdmEiLCJwbGF0Zm9ybVVybCI6Imh0dHBzOi8vY2Vsb25vdmEueHl6IiwiaW1hZ2UiOiJodHRwczovL2FwaS5jZWxvbm92YS54eXovaW1hZ2VzL2ltYWdlLTAxNi53ZWJwIiwiYWN0aXZlIjp0cnVlLCJzZXJ2aWNlcyI6W3sibmFtZSI6IndlYiIsImVuZHBvaW50IjoiaHR0cHM6Ly9jZWxvbm92YS54eXovYWdlbnQvODYifSx7Im5hbWUiOiJhcGkiLCJlbmRwb2ludCI6Imh0dHBzOi8vYXBpLmNlbG9ub3ZhLnh5ei9hcGkvYWdlbnRzLzg2IiwidmVyc2lvbiI6IjEuMC4wIn0seyJuYW1lIjoiT0FTRiIsImVuZHBvaW50IjoiaHR0cHM6Ly9naXRodWIuY29tL2FnbnRjeS9vYXNmLyIsInZlcnNpb24iOiIwLjguMCIsInNraWxscyI6WyJhbmFseXRpY2FsX3NraWxscy9kYXRhX2FuYWx5c2lzL2NyeXB0b19hbmFseXNpcyIsImluZm9ybWF0aW9uX3NraWxscy9uZXdzX3N5bnRoZXNpcyIsImFuYWx5dGljYWxfc2tpbGxzL21hcmtldF9pbnNpZ2h0cyJdLCJkb21haW5zIjpbInRlY2hub2xvZ3kvYmxvY2tjaGFpbi9jcnlwdG9jdXJyZW5jeSIsImZpbmFuY2UvbWFya2V0cy9jcnlwdG8iXX0seyJuYW1lIjoiYWdlbnRXYWxsZXQiLCJlbmRwb2ludCI6ImVpcDE1NTo0MjIyMDoweDk3NDRiOEIyZGMwMmFmNGY2OEJiNDQ3NzU4MzA2ZDViNDY5Mjc5ZGUifV0sInJlZ2lzdHJhdGlvbnMiOltdLCJzdXBwb3J0ZWRUcnVzdCI6WyJyZXB1dGF0aW9uIl0sIng0MDJTdXBwb3J0IjpmYWxzZSwidXBkYXRlZEF0IjoxNzcyMjk2MzU2LCJ0YWdzIjpbIm5ld3MtYm9ybiIsImNlbG9ub3ZhIiwiY3J5cHRvIiwiYWktYWdlbnQiLCJjZWxvIiwiYXV0b25vbW91cyJdLCJiaXJ0aFNvdXJjZSI6Imh0dHBzOi8vd3d3LmNvaW5kZXNrLmNvbS9sYXRlc3QtY3J5cHRvLW5ld3MiLCJiaXJ0aEhlYWRsaW5lIjoiTGF0ZXN0IENyeXB0byBOZXdzIHwgQ29pbkRlc2sifQ==
checked at 2026-09-22T00:04:33.583191Z
Readable?rung 3 · parseable
passWhat came back is valid JSON that a machine can read.
passed
- body_bytes
- 1366
- body_sha256
- 2ec844a24a034a2731c804685c344c9f107ed10da5bdf669fa71ac42fc6d0651
- content_type
- —
checked at 2026-09-22T00:04:33.583191Z
Follows the spec?rung 4 · conformant
passThe 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
- 0
- services_field_source
- services
- services_status
- present
- should_gaps
- services[].version, registrations
- spec_commit
- 68fc6765761a10fb26f0692df21c8a6f9d12b1be
checked at 2026-09-22T00:04:33.583191Z
Claims its identity?rung 5 · bound
unclaimedThe 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 2026-09-22T00:04:33.583191Z
Answers?rung 6 · live
passA declared endpoint responds to a probe. Not implemented yet, so nobody passes or fails it.
passed
- endpoints
{"declared":"https://celonova.xyz/agent/86","index":0,"kind":"https","name":"web","not_probed_because":"host_sampling_bu… (674 chars — expand)
{"declared":"https://celonova.xyz/agent/86","index":0,"kind":"https","name":"web","not_probed_because":"host_sampling_budget","probed":false}, {"declared":"https://api.celonova.xyz/api/agents/86","index":1,"kind":"https","name":"api","not_probed_because":"host_sampling_budget","probed":false}, {"declared":"https://github.com/agntcy/oasf/","elapsed_ms":1747,"final_url":"https://github.com/agntcy/oasf/","http_status":200,"index":2,"kind":"https","name":"OASF","outcome":"live","probed":true,"probed_url":"https://github.com/agntcy/oasf/"}, {"declared":"eip155:42220:0x9744b8B2dc02af4f68Bb447758306d5b469279de","index":3,"kind":"caip10","name":"agentWallet","probed":false}- endpoints_answered_not_live
- 0
- endpoints_declared
- 4
- endpoints_live
- 1
- endpoints_our_error
- 0
- endpoints_payment_gated
- 0
- endpoints_probeable
- 3
- endpoints_probed
- 1
- endpoints_refused
- 0
- host_sampling_budget_reached
- true
checked at 2026-09-22T02:09:45.320852Z
Has feedback?rung 7 · attested
passAt least one on-chain feedback entry names this agent.
passed
- distinct_authors
- 1
- feedback_count
- 1
checked at 2026-09-22T00:04:33.583191Z
Check it again, now
outside the censusOn-chain snapshot
celo- token id
- 248
- owner
- 0xfb2ff4eb9eb00a9b019e4014bbc67c5c3adfa2c5
- block
- 78,133,263
- observed
- 2026-09-22T00:04:33.585976Z
What the fetch saw
data- scheme
- data
- request url
- —
- final url
- —
- http status
- —
- content type
- —
- size
- 1,366 bytes
- sha256
- 2ec844a24a034a2731c804685c344c9f107ed10da5bdf669fa71ac42fc6d0651
- elapsed
- 0 ms
This run
reproducible- run
- 9099ff7a-d3d5-4719-9ed6-6d2a6a73909d
- chain
- celo
- pinned block
- 78,133,263
- agents
- 9,860
- started
- 2026-09-21T23:40:21.983586Z
- finished
- 2026-09-22T02:08:28.496509Z
- checker
- 0.7.0 · f60139c8802140544532ad9241c5d7a943939769
- spec commit
- 68fc6765761a10fb26f0692df21c8a6f9d12b1be
cargo run -p sweeper -- celo # at block 78133263