Avenir is the French word for "future". Avenir may also refer to: Entertainment "Avenir" (song), a 2014 song by Louane Emera Avenir: Mirai, Kaori Iida's third studio album Avenir, a fictional com
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 0x28b3d1ab66006af9322a1e13fb902a1d02c78a5583622bdc7914d730beadf059. Chain 2 (Bitcoin): anchored in block 953915 (2026-06-16T08:36:32Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/19f38268-3d86-49ff-93d6-71c27acfbc92.json and https://artists.proofprofile.net/proofs/artist/19f38268-3d86-49ff-93d6-71c27acfbc92.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).