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 entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3adbdc2f12541e27f4cba22f0c5c929f90af5c85c6d4ecdfe753436c73c88d5e. Chain 2 (Bitcoin): anchored in block 954549 (2026-06-20T10:56:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/aae4b81d-d818-4fb2-94dd-03c7cb98a4f9.json and https://artists.proofprofile.net/proofs/artist/aae4b81d-d818-4fb2-94dd-03c7cb98a4f9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
I Just Called to Say I Love You - Karaoke
Could I Have This Kiss Forever - Karaoke
Always Look on the Bright Side of Life - Karaoke
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff54bcd5c100c0a6ba8b7fa2a2875a993fe20df400a4e11c7a3589d218f98c8c. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU200800123.
The Good, the Bad and the Ugly - From "The Good, the Bad and the Ugly"
You Only Live Twice - From "You Only Live Twice"
1492: Conquest of Paradise - From "1492: Conquest of Paradise"
Magnificent Seven - From "Magnificent Seven"
Time to Say Goodbye (Con Te Partirò) - Karaoke
Karaoke Champions, Vol. 8 (Happy Birthday)
Happy Birthday (Music Box / Spieluhr A) - Karaoke
Happy Birthday (Music Box / Spieluhr B) - Karaoke
Happy Birthday (Happy Version) - Karaoke
Happy Birthday (Orchestra Version) - Karaoke
Happy Birthday (Samba Version) - Karaoke
Happy Birthday (Like Stevie Wonder) - Karaoke