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 0xed133fbaae23037f20423c9022d3b8c005fa050eec3375443075fb1cae7a56e5. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/cfafa6f3-1656-46e2-80dd-df5b2db2ba4d.json and https://artists.proofprofile.net/proofs/artist/cfafa6f3-1656-46e2-80dd-df5b2db2ba4d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Breaking Up Is Easy (Invisible Twin remix)
Breaking up Is Easy - Invisible Twin Remix
Breaking up is easy (Invisible Twin remix)
Cheryl, Cheryl, Bye (Invisible Twin Remix)
Cheryl, Cheryl, Bye - Invisible Twin Remix
Falling Out Of Love - Four-On-The-Floor Version
Tonight, Tonight, Tonight - Kristina Version
I’m In Love With A Girl Who Doesn’t Know I Exist
Could Have Been Me - Late Nights Version
This Heart’s Now Yours (Drumless Version)
This Heart’s Now Yours - Drumless Version
Caroline (I Found Love) - Late Nights Version
Breaking Up Is Easy - Late Nights Version
The Swedish Winter - Late Nights Version
Canciones De Verano - Late Nights Version
This Heart’s Now Yours - Late Nights Version
Cheryl, Cheryl, Bye - Late Nights Version
Don't Say You Love Me - Late Nights Version
In The Darkest Hour - Late Nights Version
Music For Late Nights (Late Nights Versions)
sevensummers - international pop volume two
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 0x46ae6dd1b5b6a81231317b98198399c074899ec6468b5659ad7efbba3913a8b8. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/US25T9810963.