1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b062b0ca295b20d9271a3cb4c245749d9d4d8762c2506e8778e7558b0fa6872. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/82608f4a-806c-4aa4-890a-360a0034ca4a.json and https://artists.proofprofile.net/proofs/artist/82608f4a-806c-4aa4-890a-360a0034ca4a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
When You Leave (Numa Numa) [Basshunter Remix]
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When You Leave [Numa Numa] - Basshunter Radio Mix
When You Leave [Numa Numa] - Basshunter Extended Edit
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When You Leave [Numa Numa] - Jason Nevins Extended Mix
When You Leave [Numa Numa] - Jason Nevins Extended Instrumental
When You Leave (Numa Numa) - Basshunter Radio Mix
When You Leave (Numa Numa) [Basshunter Radio Mix]
When You Leave (Numa Numa) (Basshunter Radio Edit)
When You Leave (Numa Numa) - Basshunter Extended Edit
When You Leave (Numa Numa) - Jason Nevins Radio Edit
When You Leave (Numa Numa) - Jason Nevins Extended Mix
When You Leave (Numa Numa) - Jason Nevins Extended Instrumental
When You Leave (Numa Numa) (Cahill Radio Edit)
When You Leave (Numa Numa) (Basshunter Extended Mix)
When You Leave (Numa Numa) (Cahill Club Mix)
When You Leave (Numa Numa) (Jason Nevins Extended Mix)
When You Leave (Numa Numa) - Basshunter Radio