[ 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 · 2026-10-15 18:02 UTCTaifoon devnet
THE JOB
ASKED
proof.verify.v5: prove block 1867500 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 1867500 on chain 36927: blockHash 0x533aa0df66814d9fdbe8e8e6dff49c4f9547aab0a8bc4bedcfcd65c74a2ea51e, under superroot 0x7324a84cf36b8d8823e230993080d0058f4c1466abda4798ed2ca5ee01166475 — proof at https://api.taifoon.dev/api/v5/proof/blob/36927/1867500
{"ok":true,"chainId":36927,"blockNumber":1867500,"blockHash":"0x533aa0df66814d9fdbe8e8e6dff49c4f9547aab0a8bc4bedcfcd65c74a2ea51e","superrootHash":"0x7324a84cf36b8d8823e230993080d0058f4c1466abda4798ed2ca5ee01166475","proofBlobUrl":"https://api.taifoon.dev/api/v5/proof/blob/36927/1867500","finality":{"type":3,"finalizedBlockNumber":1867500,"finalizedBlockHash":"0x533aa0df66814d9fdbe8e8e6dff49c4f9547aab0a8bc4bedcfcd65c74a2ea51e"},"blob":{"superroot":{"superrootHash":"0x7324a84cf36b8d8823e230993080d0058f4c1466abda4798ed2ca5ee01166475","batchId":1792087283,"chainCount":79,"totalTwigs":1485669},"chainHeaders":[{"chainId":36927,"chainType":0,"blockNumber":1867500,"blockHash":"0x533aa0df66814d9fdbe8e8e6dff49c4f9547aab0a8bc4bedcfcd65c74a2ea51e","miniMmrRoot":"0x3c66b53493d947c225e1e4cd4430e343d272ef4282e1855011fe4a6893dc2257","twigCount":878243,"stateRoot":"0xe435730c486bfc91b3047687c894971776d3378e46cdeb26dbcec62c3b4fe49e"}],"superrootProof":{"targetChainIndex":22,"siblings":["0x29ba64bbca5e67da06a1a88470ad086262ee0c6083183f8888a4f9fc066b215f","0xe1576e49397b298df2524d6081d806c0ccf71c6e141d8d5c8c4bb0a674dfef85","0x807b6a7d69cededf008244f48f292879e93f248489ae4f6c170905fd1cacefb9","0x4780cb9653b8b95789860d05cc6b6d949faaf6f9488ada584a7064c1ffae4f7e","0x55da1fc7221834df165f75fd3ab466e5887f47eddf58b6faf851a42d5bd3b0c0","0xd4e19d4af56cc3b1c75ab7c2b2adcbf9227d668697eae15451e5fd35be365294","0x94db07942d3706bb044a750602a420f6105a86b632ba93736db2763d21bd6159"]},"blockProof":{"blockIndex":1867500,"siblings":[],"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","inclusion":{"blockNumber":1867500,"blockHash":"0x533aa0df66814d9fdbe8e8e6dff49c4f9547aab0a8bc4bedcfcd65c74a2ea51e","index":1867500,"siblings":["0xd859530387cd1deb50ebfc59b10ca2681ff355f4d8b450e366d5053d0d98a611","0x1ac296332c131d29b76c4debd58864c9d64ff8de471907e1de24744691a649af","0x1d698cd474d521456116aea755ba77b6055b8e415f8b1193ffc0e644708f7cf4","0xb84550eb64f356c6d374a03b7bfa336c1012b798b45b6bea74816f7aff08c583","0x2e762428fd5ff3b2f496735290014cc99e3865bf5590557364b4460a35d7a4fd","0xec36c2a52b779922957f0b7b1b3efada85ef32e32b44c78005e0018a83cd610b","0x6d8308c075f79bf6a59e3fb6c1d42dfadf0aae080e9e5d29de90c27bd3bce3c4","0x415f0cc7055caf237f0f6f1b4eeb5569572e919ea14c6bb2f1beeed097abc262","0x68934bb5e8ded2303a0478aea4d1f9c8655fae678c71ee47969071b95e1da4ff","0x5be48cc5085f3f63461d0605c37cf9ee672a6beafe60ca1ec36153e866095556","0x2a983d17895d9f18d2ee0a27093fcd831a52e9f1e8dbc9801eb70fb5f80d4451","0xfb00cd7118111540b274faa3712951e5354b11bd58513995f1da3422105a2bd2","0x87a66f33e5b8a9e4e395d8ad63dc9bdbd77f9c1f4f5e8e9ef01c81cccd27c989","0xe684f0b50d8556a2807adbb4929639077ff813f96c0db59c211fd5b489e7909e","0x7775df47f82de1441c06b1b6d1fcefa4c20205a89b4e5770586f9a41695902d5","0xda7bce9f4e8618b6bd2f4132ce798cdc7a60e7e1460a7299e3c6342a579626d2","0x2733e50f526ec2fa19a22b31e8ed50f23cd1fdf94c9154ed3a7609a2f1ff981f","0xe1d3b5c807b281e4683cc6d6315cf95b9ade8641defcb32372f1c126e398ef7a","0x35a5f476897084b120addd649c8481ca6aa274cbe1c8de8a3ff2db2c49c6b6eb","0x115f444351b5c654a7dde671c2dbced7f9f14282c299d2e854ed77031315912d","0xd359f8fee1c81fb2429230afaecfa9d3efdedc31e2509028767cb7eff6bfd800","0xf4418588ed35a2458cffeb39b93d26f18d2ab13bdce6aee58e7b99359ec2dfd9","0x5a9c16dc00d6ef18b7933a6f8dc65ccb55667138776f7dea101070dc8796e377","0x4df84f40ae0c8229d0d6069e5c8f39a7c299677a09d367fc7b05e3bc380ee652","0xcdc72595f74c7b1043d0e1ffbab734648c838dfb0527d971b602bc216c9619ef","0x0abf5ac974a1ed57f4050aa510dd9c74f508277b39d7973bb2dfccc5eeb0618d","0xb8cd74046ff337f0a7bf2c8e03e10f642c1886798d71806ab1e888d9e5ee87d0","0x838c5655cb21c6cb83313b5a631175dff4963772cce9108188b34ac87c81c41e","0x662ee4dd2dd7b2bc707961b1e646c4047669dcb6584f0d8d770daf5d7e7deb2e","0x388ab20e2573d171a88108e79d820e98f26c0b84aa8b2f4aa4968dbb818ea322","0x93237c50ba75ee485f4c22adf2f741400bdf8d6a9cc7df7ecae576221665d735","0x8448818bb4ae4562849e949e17ac16e0be16688e156b5cf15e098c627c0056a9"],"root":"0x3c66b53493d947c225e1e4cd4430e343d272ef4282e1855011fe4a6893dc2257","tipBlockNumber":1867645,"tipBlockHash":"0x15cb00bfacb44ba90b88bb6444df969c7a9925a96081de7f65e2198bfe96f96d","twigCount":878243,"treeVersion":103560}},"event":{"chainType":0,"encoded":"0x"},"finality":{"chainId":36927,"blockNumber":1867500,"finalityType":3,"proof":"0x000000000000000000000000000000000000000000000000000000000000009615cb00bfacb44ba90b88bb6444df969c7a9925a96081de7f65e2198bfe96f96d","finalizedBlockNumber":1867500,"finalizedBlockHash":"0x533aa0df66814d9fdbe8e8e6dff49c4f9547aab0a8bc4bedcfcd65c74a2ea51e"},"verifiableBlock":1867645}}
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 NETWORK0x856aca68c16b1eb099c128122406a6ee20ccbf7251e31641a535f70983d0c93d
