ISRC ES5621904163
Verified recording
ES5621904163 is “La Mama” by Alberto Cortez,
registered on the CopyrightChains blockchain with CopyrightID
0x6acd49052e092a2baa3273c0227d06802092628c8b3f190561ea7ea4f02a8585 and independently timestamped
in Bitcoin block 960503 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5621904163.
Recording identifiers
- ISRC
- ES5621904163
- Title
- La Mama
- Artist
- Alberto Cortez
- CopyrightID (CopyrightChains transaction hash)
0x6acd49052e092a2baa3273c0227d06802092628c8b3f190561ea7ea4f02a8585
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T03:41:24+00:00
- Bitcoin block
- 960503
- Canonical record hash
sha256:ecdea73d13a2597f18b8ad31b40daedcf4d8f36aa54d2daed969362db4f75892- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5621904163
- Bitcoin block existence check
- https://blockstream.info/api/block/960503