ISRC DEF057102571
Verified recording
DEF057102571 is “6 Piano Variations in F Major, Op. 34: Thema (Adagio)” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x16b2741d7267bfae33abd48163468ede7c08410980117d67ba28872bae5b1958 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057102571.
Recording identifiers
- ISRC
- DEF057102571
- Title
- 6 Piano Variations in F Major, Op. 34: Thema (Adagio)
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x16b2741d7267bfae33abd48163468ede7c08410980117d67ba28872bae5b1958
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:deb78135be1b81c14e05410c83fc6fff722ceae783e8afc7a0d69f923cc941cd- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057102571
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: 6 Piano Variations in F Major, Op. 34: Thema (Adagio) · Machine-readable JSON-LD