ISRC QM6N21573769
Verified recording
QM6N21573769 is “Cha Cha Twist” by Margarita Sierra,
registered on the CopyrightChains blockchain with CopyrightID
0xd58c92544074934baef36701e007fdf50bdd7786c33641a6b938c48bc3792957 and independently timestamped
in Bitcoin block 960430 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6N21573769.
Recording identifiers
- ISRC
- QM6N21573769
- Title
- Cha Cha Twist
- Artist
- Margarita Sierra
- CopyrightID (CopyrightChains transaction hash)
0xd58c92544074934baef36701e007fdf50bdd7786c33641a6b938c48bc3792957
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T16:09:41+00:00
- Bitcoin block
- 960430
- Canonical record hash
sha256:422b638b901f73372d743f80ff2f3498ad372b5b3551c4035608f159c36d35b1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6N21573769
- Bitcoin block existence check
- https://blockstream.info/api/block/960430