ISRC QZK6K2003342
Verified recording
QZK6K2003342 is “Loveletters” by herr ulrich,
registered on the CopyrightChains blockchain with CopyrightID
0xb817f31879c823a07f640eb35a5ba3b3f5f8a1d1e95db9bdd52ffea82ab084d5 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6K2003342.
Recording identifiers
- ISRC
- QZK6K2003342
- Title
- Loveletters
- Artist
- herr ulrich
- CopyrightID (CopyrightChains transaction hash)
0xb817f31879c823a07f640eb35a5ba3b3f5f8a1d1e95db9bdd52ffea82ab084d5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:a633fcfa8e3b3aaa1e2ed80c0cd9f4e0148f1b63ec6d589d6bc5fc566e8e008b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6K2003342
- Bitcoin block existence check
- https://blockstream.info/api/block/960138