ISRC ESA012129808
Verified recording
ESA012129808 is “La Chamaca” by Efrain Toledo y Sus Calentanos,
registered on the CopyrightChains blockchain with CopyrightID
0x6fd7c94332cb0a9a2e6f7bec00c27cd0c3ab18e25ac0edbbe3abc2bd7c11833d and independently timestamped
in Bitcoin block 959144 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ESA012129808.
Recording identifiers
- ISRC
- ESA012129808
- Title
- La Chamaca
- Artist
- Efrain Toledo y Sus Calentanos
- CopyrightID (CopyrightChains transaction hash)
0x6fd7c94332cb0a9a2e6f7bec00c27cd0c3ab18e25ac0edbbe3abc2bd7c11833d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T15:38:35+00:00
- Bitcoin block
- 959144
- Canonical record hash
sha256:90b2c701aa0372dbdc7c79aab87e3b513e3946f05d11fc22397cfec369385aef- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ESA012129808
- Bitcoin block existence check
- https://blockstream.info/api/block/959144