ISRC QZNJW2331572
Verified recording
QZNJW2331572 is “El Cid” by Colmillo Norteño,
registered on the CopyrightChains blockchain with CopyrightID
0x33869d20918a87567d3b8b4dc6929e654a4207c422871563a8327bfe2ee3d063 and independently timestamped
in Bitcoin block 960481 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJW2331572.
Recording identifiers
- ISRC
- QZNJW2331572
- Title
- El Cid
- Artist
- Colmillo Norteño
- CopyrightID (CopyrightChains transaction hash)
0x33869d20918a87567d3b8b4dc6929e654a4207c422871563a8327bfe2ee3d063
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T23:51:35+00:00
- Bitcoin block
- 960481
- Canonical record hash
sha256:baacc2e536ac2b867d9dcacb61e6a7e644019e6e5ae62e7137c62af53162f9c5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJW2331572
- Bitcoin block existence check
- https://blockstream.info/api/block/960481