ISRC QM7281715531
Verified recording
QM7281715531 is “Cuarteto y Mariana” by Ulises Bueno,
registered on the CopyrightChains blockchain with CopyrightID
0xb31bf2eefceea64a172f97c19f471533fc07ab7fd2e83dfff8e7264a69067ee6 and independently timestamped
in Bitcoin block 960160 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM7281715531.
Recording identifiers
- ISRC
- QM7281715531
- Title
- Cuarteto y Mariana
- Artist
- Ulises Bueno
- CopyrightID (CopyrightChains transaction hash)
0xb31bf2eefceea64a172f97c19f471533fc07ab7fd2e83dfff8e7264a69067ee6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T22:48:59+00:00
- Bitcoin block
- 960160
- Canonical record hash
sha256:73a0355663206a4669e8a7ec2c7e65b033903dc4d801ccfc741bee31b0774b3c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM7281715531
- Bitcoin block existence check
- https://blockstream.info/api/block/960160