ISRC USSM11505520
Verified recording
USSM11505520 is “Var. 28 - Allegro” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x815abac7d217d175269da9d41ba5f75272fc54e7eafcf5b2b81c6307b2b22bf9 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/USSM11505520.
Recording identifiers
- ISRC
- USSM11505520
- Title
- Var. 28 - Allegro
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x815abac7d217d175269da9d41ba5f75272fc54e7eafcf5b2b81c6307b2b22bf9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:ce3658817ca9d2d0ada5bba353d9eb274bd3d7d0413b54c72f5187bff94aded5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11505520
- Bitcoin block existence check
- https://blockstream.info/api/block/956304