Heart for Sale is the second studio album by Belgian singer-songwriter, Tom Dice. It was released on 3 May 2012. The album reached number 11 in Belgium. The album includes the singles "Utopia", "Out A
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 0xbbee7b5cd2ea0704470b2f3f4800eb38dc050ddbd722eecc589eca003e873012. Chain 2 (Bitcoin): anchored in block 954556 (2026-06-20T12:14:15Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ade75c85-a0d5-413b-9ced-b098d4e15b2f.json and https://artists.proofprofile.net/proofs/artist/ade75c85-a0d5-413b-9ced-b098d4e15b2f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).