ISRC ES6640500216
Verified recording
ES6640500216 is “El Muchacho de los Ojos Tristes” by Niza,
registered on the CopyrightChains blockchain with CopyrightID
0x671abc28adbd793ca843b0ba2fcd4c7e918318002c76314978ac30dfad46cb5d and independently timestamped
in Bitcoin block 960418 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES6640500216.
Recording identifiers
- ISRC
- ES6640500216
- Title
- El Muchacho de los Ojos Tristes
- Artist
- Niza
- CopyrightID (CopyrightChains transaction hash)
0x671abc28adbd793ca843b0ba2fcd4c7e918318002c76314978ac30dfad46cb5d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:20:15+00:00
- Bitcoin block
- 960418
- Canonical record hash
sha256:af804d940b23be89c96e3cbee2e8da75c4e0246c15ba3eed140a138069c00ce7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES6640500216
- Bitcoin block existence check
- https://blockstream.info/api/block/960418
Full record
Track page: El Muchacho de los Ojos Tristes · Machine-readable JSON-LD