ISRC DEFG21312405
Verified recording
DEFG21312405 is “Bassoon Concerto in B-Flat Major, K. 191: II. Andante ma adagio” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x5bc1c1c6116134304ac0bb8fecf749778de10b6e280b6a47d99730704244d9ad 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/DEFG21312405.
Recording identifiers
- ISRC
- DEFG21312405
- Title
- Bassoon Concerto in B-Flat Major, K. 191: II. Andante ma adagio
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x5bc1c1c6116134304ac0bb8fecf749778de10b6e280b6a47d99730704244d9ad
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:966315d4bd5f919d2b00af33436dcd3c9d4e31b17166d3a40411d28829524def- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEFG21312405
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Bassoon Concerto in B-Flat Major, K. 191: II. Andante ma adagio · Machine-readable JSON-LD