ISRC DEF055309251
Verified recording
DEF055309251 is “Grand Duo Concertant: 1. Allegro con fuoco” by Carl Maria von Weber,
registered on the CopyrightChains blockchain with CopyrightID
0x6bda1c33245f6dc8d6d7f4226c95feac0e01bf7a2d31d7a4dd523fee0ff5e86c and independently timestamped
in Bitcoin block 960368 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055309251.
Recording identifiers
- ISRC
- DEF055309251
- Title
- Grand Duo Concertant: 1. Allegro con fuoco
- Artist
- Carl Maria von Weber
- CopyrightID (CopyrightChains transaction hash)
0x6bda1c33245f6dc8d6d7f4226c95feac0e01bf7a2d31d7a4dd523fee0ff5e86c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T08:26:41+00:00
- Bitcoin block
- 960368
- Canonical record hash
sha256:e758acfd86eda4cb99d1f53ff430aaccada5c8f01409684cc06d144f6176ba2d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055309251
- Bitcoin block existence check
- https://blockstream.info/api/block/960368
Full record
Track page: Grand Duo Concertant: 1. Allegro con fuoco · Machine-readable JSON-LD