ISRC DEUM70904892
Verified recording
DEUM70904892 is “Opus 90” by Rolf Kühn,
registered on the CopyrightChains blockchain with CopyrightID
0x948288d6197725a92eff9419b0973180556294efa3d2c6c20eb3f91d1888fd43 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEUM70904892.
Recording identifiers
- ISRC
- DEUM70904892
- Title
- Opus 90
- Artist
- Rolf Kühn
- CopyrightID (CopyrightChains transaction hash)
0x948288d6197725a92eff9419b0973180556294efa3d2c6c20eb3f91d1888fd43
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:db02701ba01e928eb99f1cdf699a0efb7f47b7a23f2f2ef1db84c3afa0594f64- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEUM70904892
- Bitcoin block existence check
- https://blockstream.info/api/block/957120