ISRC FR50X1647406
Verified recording
FR50X1647406 is “Septet in E-Flat Major, Op. 20: II. Adagio cantabile” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xc1f699718a9f70a8d0e760e6c197fddaabe90f48a1fef91ac7fc97017354e44b and independently timestamped
in Bitcoin block 960427 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X1647406.
Recording identifiers
- ISRC
- FR50X1647406
- Title
- Septet in E-Flat Major, Op. 20: II. Adagio cantabile
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xc1f699718a9f70a8d0e760e6c197fddaabe90f48a1fef91ac7fc97017354e44b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:59:18+00:00
- Bitcoin block
- 960427
- Canonical record hash
sha256:080b380c4d13fa808cd02944546597d0dbd006e6dc00f975b9c352eca33aa8e2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X1647406
- Bitcoin block existence check
- https://blockstream.info/api/block/960427
Full record
Track page: Septet in E-Flat Major, Op. 20: II. Adagio cantabile · Machine-readable JSON-LD