ISRC QZNJV2139866
Verified recording
QZNJV2139866 is “Calculo” by El Taiger,
registered on the CopyrightChains blockchain with CopyrightID
0x8a7c0e154c56c4968f6b7600fbaf4225dcee7bbfe04fa9c8df9f6dbdcb59e09a and independently timestamped
in Bitcoin block 960144 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJV2139866.
Recording identifiers
- ISRC
- QZNJV2139866
- Title
- Calculo
- Artist
- El Taiger
- CopyrightID (CopyrightChains transaction hash)
0x8a7c0e154c56c4968f6b7600fbaf4225dcee7bbfe04fa9c8df9f6dbdcb59e09a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:09:47+00:00
- Bitcoin block
- 960144
- Canonical record hash
sha256:89efd2f9854bf2de9f455f2ca1af4359f6ff6e1c1d4c556a597a0bed17c31d26- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJV2139866
- Bitcoin block existence check
- https://blockstream.info/api/block/960144