+Alpha (read as "Plus Alpha") is the third studio album by Japanese idol group Naniwa Danshi. It was released on June 12, 2024. The album includes 14 tracks across all editions, featuring previously r
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 0x418998961de154b1ede47580644206fd4cad6d9378d5b346d416f0d6e1dc3064. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8e1d0880-4a19-45d8-aef9-d5d83729abc2.json and https://artists.proofprofile.net/proofs/artist/8e1d0880-4a19-45d8-aef9-d5d83729abc2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).