ISRC ES71G2335970
Verified recording
ES71G2335970 is “El año viejo” by C4 Trío,
registered on the CopyrightChains blockchain with CopyrightID
0x2b2b1bcd3f2f90b85d607ab8f7b25390e356a7a7fc7106d0342937330afd16bc and independently timestamped
in Bitcoin block 960157 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES71G2335970.
Recording identifiers
- ISRC
- ES71G2335970
- Title
- El año viejo
- Artist
- C4 Trío
- CopyrightID (CopyrightChains transaction hash)
0x2b2b1bcd3f2f90b85d607ab8f7b25390e356a7a7fc7106d0342937330afd16bc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T22:12:10+00:00
- Bitcoin block
- 960157
- Canonical record hash
sha256:8a403a572cbea7f34237e85804ecfb47c6990482037b6c23176e4a97c432b3aa- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES71G2335970
- Bitcoin block existence check
- https://blockstream.info/api/block/960157