ISRC USFKZ1900197

Verified recording

USFKZ1900197 is “The Perfect Fool Suite, Op. 39, H. 150” by Gustav Holst, registered on the CopyrightChains blockchain with CopyrightID 0x8131dea7919373388d606908fb853e42ccbdf1f6b0aed53b32474a78a6240c13 and independently timestamped in Bitcoin block 960362 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USFKZ1900197.

Recording identifiers

ISRC
USFKZ1900197
Title
The Perfect Fool Suite, Op. 39, H. 150
Artist
Gustav Holst
CopyrightID (CopyrightChains transaction hash)
0x8131dea7919373388d606908fb853e42ccbdf1f6b0aed53b32474a78a6240c13

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T06:58:00+00:00
Bitcoin block
960362
Canonical record hash
sha256:08f0b3b6515d47ca2992fbe5765e40933285fff82ec841221c994c13e5e13e3b
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USFKZ1900197
Bitcoin block existence check
https://blockstream.info/api/block/960362

Full record

Track page: The Perfect Fool Suite, Op. 39, H. 150 · Machine-readable JSON-LD