ISRC ES5019880013
Verified recording
ES5019880013 is “Son de negros en Cuba” by Compay Segundo,
registered on the CopyrightChains blockchain with CopyrightID
0x81c7060266b600a27ba37b187a3819359b81a3529264ae5fc648b7637aeb6cbe and independently timestamped
in Bitcoin block 960284 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5019880013.
Recording identifiers
- ISRC
- ES5019880013
- Title
- Son de negros en Cuba
- Artist
- Compay Segundo
- CopyrightID (CopyrightChains transaction hash)
0x81c7060266b600a27ba37b187a3819359b81a3529264ae5fc648b7637aeb6cbe
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T17:23:26+00:00
- Bitcoin block
- 960284
- Canonical record hash
sha256:03bbdf3b9eaeee152e817fba3c41b8085a75ae187b150637cf31385d353330b0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5019880013
- Bitcoin block existence check
- https://blockstream.info/api/block/960284
Full record
Track page: Son de negros en Cuba · Machine-readable JSON-LD