ISRC DEF059405010
Verified recording
DEF059405010 is “String Quartet in B Flat Major, Op. 130: VI. Finale (Allegro)” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x9677be4938af41666176fae8be1914babefa06e1875b24e6f03b977a7b6c0a2f and independently timestamped
in Bitcoin block 960403 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059405010.
Recording identifiers
- ISRC
- DEF059405010
- Title
- String Quartet in B Flat Major, Op. 130: VI. Finale (Allegro)
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x9677be4938af41666176fae8be1914babefa06e1875b24e6f03b977a7b6c0a2f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T13:04:34+00:00
- Bitcoin block
- 960403
- Canonical record hash
sha256:739a29e7ae17a60df0c762cfaf2445b22934e1a27b6799e0f8bfe4c6f16a41f5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059405010
- Bitcoin block existence check
- https://blockstream.info/api/block/960403
Full record
Track page: String Quartet in B Flat Major, Op. 130: VI. Finale (Allegro) · Machine-readable JSON-LD