Brume is a surname. It is also an English and French word for mist. Notable people with the surname include: Ese Brume (born 1996), Nigerian athlete Fred Aghogho Brume (1942–2011), Nigerian politic
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9c3eb2cc0819c54d22ff80dbdf275ab3d46d2b4e42452ea73fe7a0f64c8c405. Chain 2 (Bitcoin): anchored in block 954533 (2026-06-20T08:57:02Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a5ec055c-1cae-45bf-bea1-0ac19072f1c9.json and https://artists.proofprofile.net/proofs/artist/a5ec055c-1cae-45bf-bea1-0ac19072f1c9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).