ISRC USYRC1900088
Verified recording
USYRC1900088 is “Der Klang” by Jackie Hoffman,
registered on the CopyrightChains blockchain with CopyrightID
0xda6ffdee77ba1b70cc1809026b7012837d358222295c067ab01b504c7ee7d46f 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/USYRC1900088.
Recording identifiers
- ISRC
- USYRC1900088
- Title
- Der Klang
- Artist
- Jackie Hoffman
- CopyrightID (CopyrightChains transaction hash)
0xda6ffdee77ba1b70cc1809026b7012837d358222295c067ab01b504c7ee7d46f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:8af268885a7646302ad65ba644188f87f01bf740e20ec6c0768b82d3bb305191- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USYRC1900088
- Bitcoin block existence check
- https://blockstream.info/api/block/957118