ISRC CAJ721774304
Verified recording
CAJ721774304 is “Concerto pour cor No. 3 en mi bémol majeur, K. 447: I. Allegro” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xe649802f39096aa59c2f2628804ba8a588fd0b9af7e3f52e207b13e46d9235a6 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/CAJ721774304.
Recording identifiers
- ISRC
- CAJ721774304
- Title
- Concerto pour cor No. 3 en mi bémol majeur, K. 447: I. Allegro
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xe649802f39096aa59c2f2628804ba8a588fd0b9af7e3f52e207b13e46d9235a6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:6736555c9d26956222d39dd1839ecf9f1ecb8b5b30cc908813193890e9cc1f71- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAJ721774304
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Concerto pour cor No. 3 en mi bémol majeur, K. 447: I. Allegro · Machine-readable JSON-LD