ISRC QZTBF2305112
Verified recording
QZTBF2305112 is “Concrete Barz #188.1” by Spbarz,
registered on the CopyrightChains blockchain with CopyrightID
0x04f50f8e3b63d6b9bdf6bdb553c0836d39c684aaaca52e12a427f9ce8737c32d and independently timestamped
in Bitcoin block 960441 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTBF2305112.
Recording identifiers
- ISRC
- QZTBF2305112
- Title
- Concrete Barz #188.1
- Artist
- Spbarz
- CopyrightID (CopyrightChains transaction hash)
0x04f50f8e3b63d6b9bdf6bdb553c0836d39c684aaaca52e12a427f9ce8737c32d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T17:29:52+00:00
- Bitcoin block
- 960441
- Canonical record hash
sha256:408a7c1e3a95a61328f141dcc3265d5682c050bd350673ae26eb35c001f6ee20- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTBF2305112
- Bitcoin block existence check
- https://blockstream.info/api/block/960441