ISRC QMBZ91920420
Verified recording
QMBZ91920420 is “Schornstein” by Tufu,
registered on the CopyrightChains blockchain with CopyrightID
0x278754e0ddc2100a9e788b7415e1fac5aa822867de53bb775daf98a99478227d 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/QMBZ91920420.
Recording identifiers
- ISRC
- QMBZ91920420
- Title
- Schornstein
- Artist
- Tufu
- CopyrightID (CopyrightChains transaction hash)
0x278754e0ddc2100a9e788b7415e1fac5aa822867de53bb775daf98a99478227d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:7d5652606bedfefe19c4dc35cdadc43349c286f353514102dae19d87a32d15dd- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMBZ91920420
- Bitcoin block existence check
- https://blockstream.info/api/block/957118