ISRC ESA012071557
Verified recording
ESA012071557 is “El Sofa” by La Sonora Matancera,
registered on the CopyrightChains blockchain with CopyrightID
0xa119e302c549fed9b7be869222b1b539ab6c2a1ea66bd0b02008566f5966d4c8 and independently timestamped
in Bitcoin block 960360 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ESA012071557.
Recording identifiers
- ISRC
- ESA012071557
- Title
- El Sofa
- Artist
- La Sonora Matancera
- CopyrightID (CopyrightChains transaction hash)
0xa119e302c549fed9b7be869222b1b539ab6c2a1ea66bd0b02008566f5966d4c8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T06:42:11+00:00
- Bitcoin block
- 960360
- Canonical record hash
sha256:581b616957e28e8f343cf91751b44ec2f195eb300cc98c4925917b667371f42f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ESA012071557
- Bitcoin block existence check
- https://blockstream.info/api/block/960360