ISRC QM6MZ1737572
Verified recording
QM6MZ1737572 is “El Sofá” by La Sonora Matancera,
registered on the CopyrightChains blockchain with CopyrightID
0xbb04f1687a84567de754cbfe1e5ce1aa91bcc304b5d85fb919c86c0dc27a4617 and independently timestamped
in Bitcoin block 956889 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6MZ1737572.
Recording identifiers
- ISRC
- QM6MZ1737572
- Title
- El Sofá
- Artist
- La Sonora Matancera
- CopyrightID (CopyrightChains transaction hash)
0xbb04f1687a84567de754cbfe1e5ce1aa91bcc304b5d85fb919c86c0dc27a4617
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:701870bca22c86bc386784630b38326259a03c6eb60248cd4a8c95761932d0bc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6MZ1737572
- Bitcoin block existence check
- https://blockstream.info/api/block/956889