ISRC USA370989639
Verified recording
USA370989639 is “25 Études faciles et progressives, Op. 100: 21. L'harmonie des anges. Allegro moderato” by Friedrich Burgmüller,
registered on the CopyrightChains blockchain with CopyrightID
0x78636b6ce97fbc3b067f9eece60abb5c3690963d7832d06beacb8221282e93e8 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA370989639.
Recording identifiers
- ISRC
- USA370989639
- Title
- 25 Études faciles et progressives, Op. 100: 21. L'harmonie des anges. Allegro moderato
- Artist
- Friedrich Burgmüller
- CopyrightID (CopyrightChains transaction hash)
0x78636b6ce97fbc3b067f9eece60abb5c3690963d7832d06beacb8221282e93e8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:07b95b6b8d8552998571a285cc1822d4307b40217b5301bfd27523dca0234e13- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA370989639
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: 25 Études faciles et progressives, Op. 100: 21. L'harmonie des anges. Allegro moderato · Machine-readable JSON-LD