ISRC QZWFK2312820
Verified recording
QZWFK2312820 is “Winter Blues” by Mike Gudmann,
registered on the CopyrightChains blockchain with CopyrightID
0x44cce5fe910dbb7cd9cd2167fa3de782272374455c7586082f3a8d3583e33be3 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFK2312820.
Recording identifiers
- ISRC
- QZWFK2312820
- Title
- Winter Blues
- Artist
- Mike Gudmann
- CopyrightID (CopyrightChains transaction hash)
0x44cce5fe910dbb7cd9cd2167fa3de782272374455c7586082f3a8d3583e33be3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:484df8d8a99e601ab1f40ee40e92b8e27a4546217dcb50f572102a5f60e57874- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFK2312820
- Bitcoin block existence check
- https://blockstream.info/api/block/957118