ISRC DEFG21312404
Verified recording
DEFG21312404 is “Bassoon Concerto in B-Flat Major, K. 191: I. Allegro” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x23d04fa08e312f4e58f4cfde2a56640e254ea1bf15bf3537fc69613bb175146a and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEFG21312404.
Recording identifiers
- ISRC
- DEFG21312404
- Title
- Bassoon Concerto in B-Flat Major, K. 191: I. Allegro
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x23d04fa08e312f4e58f4cfde2a56640e254ea1bf15bf3537fc69613bb175146a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:f9c68e4981156b45fc5c48b7da707d7866d088e87a7501fcf8439fa0b12c078c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEFG21312404
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Bassoon Concerto in B-Flat Major, K. 191: I. Allegro · Machine-readable JSON-LD