ISRC USSM11609420
Verified recording
USSM11609420 is “Fidelio, Op. 72: March from Act I” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xb296a9c2e1cc60b8d9fd8f09f8360c8b1ff4aea11c4713158b997c015c3c62fa and independently timestamped
in Bitcoin block 959128 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11609420.
Recording identifiers
- ISRC
- USSM11609420
- Title
- Fidelio, Op. 72: March from Act I
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xb296a9c2e1cc60b8d9fd8f09f8360c8b1ff4aea11c4713158b997c015c3c62fa
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T12:33:25+00:00
- Bitcoin block
- 959128
- Canonical record hash
sha256:e8efe14fbec75985fb6d07a5654fa795a9e01a4057f54e2be7d96ac657b8b487- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11609420
- Bitcoin block existence check
- https://blockstream.info/api/block/959128
Full record
Track page: Fidelio, Op. 72: March from Act I · Machine-readable JSON-LD