ISRC DEF055309253
Verified recording
DEF055309253 is “Grand Duo Concertant: 3. Rondo:Allegro” by Carl Maria von Weber,
registered on the CopyrightChains blockchain with CopyrightID
0xa2565cd5687fdd85c002aa4c16e338a148ebb8cc826a47b90bd64a6b208aa129 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/DEF055309253.
Recording identifiers
- ISRC
- DEF055309253
- Title
- Grand Duo Concertant: 3. Rondo:Allegro
- Artist
- Carl Maria von Weber
- CopyrightID (CopyrightChains transaction hash)
0xa2565cd5687fdd85c002aa4c16e338a148ebb8cc826a47b90bd64a6b208aa129
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T08:26:41+00:00
- Bitcoin block
- 960368
- Canonical record hash
sha256:ecf2551fa506e37af95d0caf44a45f33e5e7c01b6f1e751b5495287202a11d72- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055309253
- Bitcoin block existence check
- https://blockstream.info/api/block/960368
Full record
Track page: Grand Duo Concertant: 3. Rondo:Allegro · Machine-readable JSON-LD