ISRC DEF059404310
Verified recording
DEF059404310 is “Grosse Fuge in B Flat Major, Op. 133” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x68fa4e30d522662eef8ff7d0b59ba44586babdcd6e00337721198db78b10d050 and independently timestamped
in Bitcoin block 960383 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059404310.
Recording identifiers
- ISRC
- DEF059404310
- Title
- Grosse Fuge in B Flat Major, Op. 133
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x68fa4e30d522662eef8ff7d0b59ba44586babdcd6e00337721198db78b10d050
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T09:50:37+00:00
- Bitcoin block
- 960383
- Canonical record hash
sha256:3bb273991f3cee6f166b70f0e9b45cdba3563042c6d0f30f03146afdd1943035- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059404310
- Bitcoin block existence check
- https://blockstream.info/api/block/960383
Full record
Track page: Grosse Fuge in B Flat Major, Op. 133 · Machine-readable JSON-LD