ISRC USAT21002583
Verified recording
USAT21002583 is “Ludwig / The King's Chocolate-Waltz / Blue Grotto” by Amon Düül II,
registered on the CopyrightChains blockchain with CopyrightID
0x9867990461200d6326fad3703440190f2fc924617527f44b81f1771cef287e97 and independently timestamped
in Bitcoin block 960247 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAT21002583.
Recording identifiers
- ISRC
- USAT21002583
- Title
- Ludwig / The King's Chocolate-Waltz / Blue Grotto
- Artist
- Amon Düül II
- CopyrightID (CopyrightChains transaction hash)
0x9867990461200d6326fad3703440190f2fc924617527f44b81f1771cef287e97
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T10:42:33+00:00
- Bitcoin block
- 960247
- Canonical record hash
sha256:a0031c593e80924effd5b6d849129077a99afce332ab1c5f31b7e250331454d1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAT21002583
- Bitcoin block existence check
- https://blockstream.info/api/block/960247
Full record
Track page: Ludwig / The King's Chocolate-Waltz / Blue Grotto · Machine-readable JSON-LD