It’s a one way hash. Verifying an event involves taking the entire event json (minus signature and id) as received and running it through the hashing algo with the npub. If the output hash is the same as event id, then these are run through another algo to match with the signature.
https://github.com/nbd-wtf/nostr-tools/blob/master/pure.ts
ManiMe /
npub1man…n9tn
2024-05-25 16:52:15
in reply to nevent1q…c3us
Author Public Key
npub1manlnflyzyjhgh970t8mmngrdytcp3jrmaa66u846ggg7t20cgqqvyn9tnPublished at
2024-05-25 16:52:15Event JSON
{
"id": "db37312fcffbd31026911e31b19a83ce92bed0831bb9fb3130bf4badf32ac9a9",
"pubkey": "df67f9a7e41125745cbe7acfbdcd03691780c643df7bad70f5d2108f2d4fc200",
"created_at": 1716648735,
"kind": 1,
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"content": "It’s a one way hash. Verifying an event involves taking the entire event json (minus signature and id) as received and running it through the hashing algo with the npub. If the output hash is the same as event id, then these are run through another algo to match with the signature.\n\nhttps://github.com/nbd-wtf/nostr-tools/blob/master/pure.ts",
"sig": "f94c96e7116e7689bd7f7a41e3b9a80efd40d8ecfd00a3078c3d254459868ff6b4e4344c2a4a964c351ff45a5c309e43f185d76c587df977f2ee2a877160751d"
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