ISRC ESA011669531
Verified recording
ESA011669531 is “El Viejito” by Efrain Toledo y Sus Calentanos,
registered on the CopyrightChains blockchain with CopyrightID
0x18eb6f1e9d7255a734a2e08455d63591c088debcd23e10a767e56a108b045437 and independently timestamped
in Bitcoin block 960203 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ESA011669531.
Recording identifiers
- ISRC
- ESA011669531
- Title
- El Viejito
- Artist
- Efrain Toledo y Sus Calentanos
- CopyrightID (CopyrightChains transaction hash)
0x18eb6f1e9d7255a734a2e08455d63591c088debcd23e10a767e56a108b045437
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T03:35:13+00:00
- Bitcoin block
- 960203
- Canonical record hash
sha256:cff3ae1a8b86f5bb488912661e295399849e19ca969c0545201a34ac103d55ab- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ESA011669531
- Bitcoin block existence check
- https://blockstream.info/api/block/960203