ISRC DEF059504853
Verified recording
DEF059504853 is “String Quartet No. 10 in E Flat Major, Op. 74 "Harp": III. Presto - Più presto quasi prestissimo” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x6e31394ad010b834512ed666a663ea73ced91fd4975aa75be1897b768165a94a and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059504853.
Recording identifiers
- ISRC
- DEF059504853
- Title
- String Quartet No. 10 in E Flat Major, Op. 74 "Harp": III. Presto - Più presto quasi prestissimo
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x6e31394ad010b834512ed666a663ea73ced91fd4975aa75be1897b768165a94a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:b58dbc7677deb9e44bce425c6fb7c30a6fe41875b4d22e339a04327c59a13792- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059504853
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: String Quartet No. 10 in E Flat Major, Op. 74 "Harp": III. Presto - Più presto quasi prestissimo · Machine-readable JSON-LD