ISRC ESA012129785
Verified recording
ESA012129785 is “El Preso de Nuevo León” by Efrain Toledo y Sus Calentanos,
registered on the CopyrightChains blockchain with CopyrightID
0xd49e8a8a164633ef0a3da49e3ef363d7c85367c3104e0fd816342926cf6d7c76 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/ESA012129785.
Recording identifiers
- ISRC
- ESA012129785
- Title
- El Preso de Nuevo León
- Artist
- Efrain Toledo y Sus Calentanos
- CopyrightID (CopyrightChains transaction hash)
0xd49e8a8a164633ef0a3da49e3ef363d7c85367c3104e0fd816342926cf6d7c76
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:20:15+00:00
- Bitcoin block
- 960418
- Canonical record hash
sha256:25941047510964839d1df101bfe7b2fd04dd6a6039b71f5377353ee978c086b9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ESA012129785
- Bitcoin block existence check
- https://blockstream.info/api/block/960418
Full record
Track page: El Preso de Nuevo León · Machine-readable JSON-LD