ISRC USGZ21034779
Verified recording
USGZ21034779 is “25 Ètudes Faciles Et Progressives, Op. 100: XXI. Harmonie Des Anges” by Friedrich Burgmüller,
registered on the CopyrightChains blockchain with CopyrightID
0x8b01efb62b105bcfbe934c585a3e0a06ea6a62b0a997a98ba09428f587b20d47 and independently timestamped
in Bitcoin block 960121 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USGZ21034779.
Recording identifiers
- ISRC
- USGZ21034779
- Title
- 25 Ètudes Faciles Et Progressives, Op. 100: XXI. Harmonie Des Anges
- Artist
- Friedrich Burgmüller
- CopyrightID (CopyrightChains transaction hash)
0x8b01efb62b105bcfbe934c585a3e0a06ea6a62b0a997a98ba09428f587b20d47
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T15:22:21+00:00
- Bitcoin block
- 960121
- Canonical record hash
sha256:9fcddac8b5e71242468c569c29cf5930ecc4d4d028615667dc87330dae3048c2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USGZ21034779
- Bitcoin block existence check
- https://blockstream.info/api/block/960121
Full record
Track page: 25 Ètudes Faciles Et Progressives, Op. 100: XXI. Harmonie Des Anges · Machine-readable JSON-LD