ISRC DEU672200104
Verified recording
DEU672200104 is “Kupfer” by Jonathan Kaspar,
registered on the CopyrightChains blockchain with CopyrightID
0xdfee7ee69977640cab0384095d3eded87a77ee003f74f49a57a00873eb35f10d 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/DEU672200104.
Recording identifiers
- ISRC
- DEU672200104
- Title
- Kupfer
- Artist
- Jonathan Kaspar
- CopyrightID (CopyrightChains transaction hash)
0xdfee7ee69977640cab0384095d3eded87a77ee003f74f49a57a00873eb35f10d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:e1666100bb6c8c5ad24cbb52d6d8fc11a31708ba91169f6747cdf718541f5804- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU672200104
- Bitcoin block existence check
- https://blockstream.info/api/block/957118