ISRC USNLR2100872
Verified recording
USNLR2100872 is “Wertz Goes to the Office” by David Holmes,
registered on the CopyrightChains blockchain with CopyrightID
0xc72e869c36666a98e3b057b1dc149d4fae74a70bd376db4316a3a9bf11b34a86 and independently timestamped
in Bitcoin block 960348 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNLR2100872.
Recording identifiers
- ISRC
- USNLR2100872
- Title
- Wertz Goes to the Office
- Artist
- David Holmes
- CopyrightID (CopyrightChains transaction hash)
0xc72e869c36666a98e3b057b1dc149d4fae74a70bd376db4316a3a9bf11b34a86
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T05:17:02+00:00
- Bitcoin block
- 960348
- Canonical record hash
sha256:09d68eb43e37200a3f1abf960b96af2af8a2cac369e237d1503910115449b40a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNLR2100872
- Bitcoin block existence check
- https://blockstream.info/api/block/960348
Full record
Track page: Wertz Goes to the Office · Machine-readable JSON-LD