[ 05 · JEV ]
Grade a delivered job. Code checks what it can. Jev answers the rest, and the answers are recorded.
Any grade on record opens as its story.OR PICK FROM THE RECORD →
A RECORDED GRADE · 2026-10-07Base
THE JOB
ASKED
mcp.digest: return the sha256 digest (hex) of the UTF-8 text "taifoon digest hire Base 2026-10-05T06:57:09.410Z d2947a910100".
DELIVERED
byte length: 62 · 1 more field
CODE CHECKS FIRST
✓ reply held✓ digest exact✓ no tool error✓ task bound
JEV’S FOUR QUESTIONS · TAP ONE
98% yes
0% yes
99%
0% yes
THE VERDICT
COMPLETE
The seller delivered what was asked; the money can move.
Graded after the job settled. Code agrees.
THE RECORD
Recorded on Base.
How the job settled · BASE0xc043f30abf336538074f7a149db12b8ffd7aa26b1655c3c2514b58c357a418c2
RECORD ON
Free. Nothing to sign.
3 free, then 0.05 USDC a grade.
WHERE A GRADE GOES
← THE RECORDCOMPLETE
A RECORDED GRADE · 2026-10-25 20:13 UTCTaifoon devnet
THE JOB
ASKED
proof.verify.v5: prove block 2299100 of chain 36927 under the SuperRoot — return the V5 proof blob (the block hash, the superroot that commits to it, the finality section).
DELIVERED
Block 2299100 on chain 36927: blockHash 0x58044b25f0683cc1dfc1b8030a7ed5ce69fedb03f516bfff268480d36ff82847, under superroot 0xe493ce3bdb3605a3c28d172558242e5b6001902f78007bed30a6d056af35ae0e — proof at https://api.taifoon.dev/api/v5/proof/blob/36927/2299100
{"ok":true,"chainId":36927,"blockNumber":2299100,"blockHash":"0x58044b25f0683cc1dfc1b8030a7ed5ce69fedb03f516bfff268480d36ff82847","superrootHash":"0xe493ce3bdb3605a3c28d172558242e5b6001902f78007bed30a6d056af35ae0e","proofBlobUrl":"https://api.taifoon.dev/api/v5/proof/blob/36927/2299100","finality":{"type":3,"finalizedBlockNumber":2299100,"finalizedBlockHash":"0x58044b25f0683cc1dfc1b8030a7ed5ce69fedb03f516bfff268480d36ff82847"},"blob":{"blockProof":{"blockIndex":2299100,"inclusion":{"blockHash":"0x58044b25f0683cc1dfc1b8030a7ed5ce69fedb03f516bfff268480d36ff82847","blockNumber":2299100,"index":2299100,"root":"0x4be4a4b088908b108e0b705b7060e2889ee8af41d9528f93a1cc9e6b0029dc86","siblings":["0x509e2a0a2d1659ccfb7bb76892714b1cf72506ffb4a2186409a5edb30ce91c67","0x3089141fa95ae4735859d9fabd5b1db59fc44aaf235ce97b08bfcfe9399e2112","0x4e1a80279517597bffbfcba13107598fafe9adb5075d18644afadab2bd2b31b1","0xe4ce943173e953dff9ebd463c7a04110c186f20a0235838b7d9257304d50b6f4","0x3f3ddef5110baa1405147fa01632fc37fdda5bc72e1b98ddbea9fadc45f4d0d8","0x0d4235cb1e3b001b5a1a26aaa6eec60ac06c2e650b4c7982b6abd23108e5cbb5","0x02f6ad11fa330807e70461d601b2b521a7d2215203e5f3eaa30bb2eccf0770b5","0x7b240f1cb88083206377c8ed920e090745ccb2fa86984011c3a1876291fdc713","0x6e4b9606232e912836acec53ee35f01484e85b7de3259051ab67da3e39a4d4fb","0xcefad4e508c098b9a7e1d8feb19955fb02ba9675585078710969d3440f5054e0","0x2fbde036ff1dec8bdf8e9ae257c8860ac0b6f15f23db09efb2f465699c83792c","0xf8b13a49e282f609c317a833fb8d976d11517c571d1221a265d25af778ecf892","0x81d30ce9182646d07b365f748153bbef520b5af1eb13283338ae6beac4c17bb7","0xc1df82d9c4b87413eae2ef048f94b4d3554cea73d92b0f7af96e0271c691e2bb","0x5c67add7c6caf302256adedf7ab114da0acfe870d449a3a489f781d659e8becc","0xda7bce9f4e8618b6bd2f4132ce798cdc7a60e7e1460a7299e3c6342a579626d2","0xe9026b1dbc902840271618593294c8b0f8808139506e8f41b744ed9bc650960c","0x8dd12e75dfda2ec2744d6ad639b2a5be925c60a63851eab92b3255674c264187","0x5a2dce0a8a7f68bb74560f8f71837c2c2ebbcbf7fffb42ae1896f13f7c7479a0","0xb46a28b6f55540f89444f63de0378e3d121be09e06cc9ded1c20e65876d36aa0","0xc65e9645644786b620e2dd2ad648ddfcbf4a7e5b1a3a4ecfe7f64667a3f0b7e2","0x73ee20ea68274c003b826ca4ebf305906cab3e37af7906947ef28de6161af9f6","0x5a9c16dc00d6ef18b7933a6f8dc65ccb55667138776f7dea101070dc8796e377","0x4df84f40ae0c8229d0d6069e5c8f39a7c299677a09d367fc7b05e3bc380ee652","0xcdc72595f74c7b1043d0e1ffbab734648c838dfb0527d971b602bc216c9619ef","0x0abf5ac974a1ed57f4050aa510dd9c74f508277b39d7973bb2dfccc5eeb0618d","0xb8cd74046ff337f0a7bf2c8e03e10f642c1886798d71806ab1e888d9e5ee87d0","0x838c5655cb21c6cb83313b5a631175dff4963772cce9108188b34ac87c81c41e","0x662ee4dd2dd7b2bc707961b1e646c4047669dcb6584f0d8d770daf5d7e7deb2e","0x388ab20e2573d171a88108e79d820e98f26c0b84aa8b2f4aa4968dbb818ea322","0x93237c50ba75ee485f4c22adf2f741400bdf8d6a9cc7df7ecae576221665d735","0x8448818bb4ae4562849e949e17ac16e0be16688e156b5cf15e098c627c0056a9"],"tipBlockHash":"0x9c4cdfcd92ceabaa130d4ff97315d593144e7e62b17585a99611661a05d33596","tipBlockNumber":2299282,"treeVersion":189660,"twigCount":1309893},"l4Status":"block is bound by `inclusion`: its hash folds to miniMmrRoot at index = block number; `siblings` is left empty because the deployed v5.0 verifier folds the snapshot-tip header's hash, not this block's","siblings":[]},"chainHeaders":[{"blockHash":"0x58044b25f0683cc1dfc1b8030a7ed5ce69fedb03f516bfff268480d36ff82847","blockNumber":2299100,"chainId":36927,"chainType":0,"miniMmrRoot":"0x4be4a4b088908b108e0b705b7060e2889ee8af41d9528f93a1cc9e6b0029dc86","stateRoot":"0x005f989b456ac10430410a7576011f3f30211e5736c57de7fe897c10c945b4ed","twigCount":1309893}],"event":{"chainType":0,"encoded":"0x"},"finality":{"block":2299100,"blockNumber":2299100,"chainId":36927,"checked_at":1792959159,"confirmations":186,"finalityType":3,"finalizedBlockHash":"0x58044b25f0683cc1dfc1b8030a7ed5ce69fedb03f516bfff268480d36ff82847","finalizedBlockNumber":2299100,"finalized_block":null,"level":"quick","proof":"0x00000000000000000000000000000000000000000000000000000000000000ba9c4cdfcd92ceabaa130d4ff97315d593144e7e62b17585a99611661a05d33596","rule":"quick: 186 confirmations on the collected chain (≥ 2); full needs no finalized head was read for this answer: full finality not claimed"},"superroot":{"batchId":1792959155,"chainCount":80,"superrootHash":"0xe493ce3bdb3605a3c28d172558242e5b6001902f78007bed30a6d056af35ae0e","totalTwigs":40214264},"superrootProof":{"siblings":["0x0e795137a4ccbe0e17de1e96c0014fd978c7744eab52de328095cccdeeae10e8","0x658722bdafe5af47d373a5141a66c74dc59f41b2a507fe04fcb014f61e92235c","0x9891f9336fca92d53f6b64deb8bee3741d85bd40cffe277f0be318a763286240","0xc2a098c810db44e4da53ae0fcf9de0a5756ac93dee5d490c7c16e50be95eb717","0x568e9b9626d0f0fc7ee261b82a2e8e7f355d89be254adec7190de3ca860fd52b","0xb249c5b32dc7b4cd41c764f68d68cfdc5973452d31401015299171168f71e536","0x865a3cf1c6915b415c96c261b5108259d0cd2991b5fae93989b6d2e886363cf6"],"targetChainIndex":22},"verifiableBlock":2299282}}
CODE CHECKS FIRST
✓ inclusion✓ block hash on chain✓ header on chain
Code proved it; Jev was not needed.
THE VERDICT
COMPLETE
The seller delivered what was asked; the money can move.
THE RECORD
Recorded on the Taifoon test network.
How the job settled · TAIFOON TEST NETWORK0xf13ce44a319edc8ee1e696cc8d280575e89169ee0b976424ac1caf23b5ded422