ISRC QZNJZ2287165
Verified recording
QZNJZ2287165 is “Caballo Negro” by Improbus,
registered on the CopyrightChains blockchain with CopyrightID
0xe47d9d3f3a49e9d3f6b3487db3d5e4f41b4e449de8154b6ad69d7b33e1c13999 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJZ2287165.
Recording identifiers
- ISRC
- QZNJZ2287165
- Title
- Caballo Negro
- Artist
- Improbus
- CopyrightID (CopyrightChains transaction hash)
0xe47d9d3f3a49e9d3f6b3487db3d5e4f41b4e449de8154b6ad69d7b33e1c13999
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:aa5ce40b9eb59ac94a46615d66cb10060e3b3e49a76b19f77691be810e2e3881- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJZ2287165
- Bitcoin block existence check
- https://blockstream.info/api/block/956304