ISRC DEF059702221
Verified recording
DEF059702221 is “6 Piano Variations in F Major, Op. 34: Thema. Adagio, cantabile” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xf3186dcaea89b931117febc074d8c0e47560a8ce48f52b21255e218f1264a778 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059702221.
Recording identifiers
- ISRC
- DEF059702221
- Title
- 6 Piano Variations in F Major, Op. 34: Thema. Adagio, cantabile
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xf3186dcaea89b931117febc074d8c0e47560a8ce48f52b21255e218f1264a778
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:fba5009639e138ab67a9cc4ba277e4986d98ad960ff97eb9c86719d0ed3e559f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059702221
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: 6 Piano Variations in F Major, Op. 34: Thema. Adagio, cantabile · Machine-readable JSON-LD