ISRC DEF059504101
Verified recording
DEF059504101 is “Quartet for Piano, Violin, Viola and Violoncello in B flat major, op.8 (J76): 1. Allegro” by Carl Maria von Weber,
registered on the CopyrightChains blockchain with CopyrightID
0x4ab36b3f46f388bf2a4a52ac255eb3d0ad4aac02cdc64ba85d202468b1233340 and independently timestamped
in Bitcoin block 960344 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059504101.
Recording identifiers
- ISRC
- DEF059504101
- Title
- Quartet for Piano, Violin, Viola and Violoncello in B flat major, op.8 (J76): 1. Allegro
- Artist
- Carl Maria von Weber
- CopyrightID (CopyrightChains transaction hash)
0x4ab36b3f46f388bf2a4a52ac255eb3d0ad4aac02cdc64ba85d202468b1233340
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T04:14:58+00:00
- Bitcoin block
- 960344
- Canonical record hash
sha256:936e884c290e3a8d15c1555698235e6419b31e23e517a99f6656a0d67bfd5d11- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059504101
- Bitcoin block existence check
- https://blockstream.info/api/block/960344
Full record
Track page: Quartet for Piano, Violin, Viola and Violoncello in B flat major, op.8 (J76): 1. Allegro · Machine-readable JSON-LD