ISRC QZTRX2493959
Verified recording
QZTRX2493959 is “Summertime With U - Loko Velocet Remix” by Spencer Ludwig,
registered on the CopyrightChains blockchain with CopyrightID
0x731456cf0433186bc5594b20ccc6a6d2ee8c664864d869f8c8f90bde9cc99894 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/QZTRX2493959.
Recording identifiers
- ISRC
- QZTRX2493959
- Title
- Summertime With U - Loko Velocet Remix
- Artist
- Spencer Ludwig
- CopyrightID (CopyrightChains transaction hash)
0x731456cf0433186bc5594b20ccc6a6d2ee8c664864d869f8c8f90bde9cc99894
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:09:47+00:00
- Bitcoin block
- 960144
- Canonical record hash
sha256:d13ecb5e31530c5bcc0ca7268aebe85c41c6b9a3bfb35a15b5812f8f9b255f8e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTRX2493959
- Bitcoin block existence check
- https://blockstream.info/api/block/960144
Full record
Track page: Summertime With U - Loko Velocet Remix · Machine-readable JSON-LD