ISRC QMA8B1500209
Verified recording
QMA8B1500209 is “Black Books” by Nils Lofgren,
registered on the CopyrightChains blockchain with CopyrightID
0xa9bc2cf005c4669f2b72bdc17ae4b5e931a7cba074dccbd47ebffa83c346ebdd and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMA8B1500209.
Recording identifiers
- ISRC
- QMA8B1500209
- Title
- Black Books
- Artist
- Nils Lofgren
- CopyrightID (CopyrightChains transaction hash)
0xa9bc2cf005c4669f2b72bdc17ae4b5e931a7cba074dccbd47ebffa83c346ebdd
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:abb80295737b88a8dc508fb28b8efdaebafedcda6834eceff01e101d2683440c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMA8B1500209
- Bitcoin block existence check
- https://blockstream.info/api/block/956304