ISRC DEF057803391
Verified recording
DEF057803391 is “Brandenburg Concerto No. 4 in G Major, BWV 1049: I. Allegro” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x04f2c5e857b61950f1dbadda09ece3a4b6007871d10b016149598f51adfaa5e8 and independently timestamped
in Bitcoin block 956889 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057803391.
Recording identifiers
- ISRC
- DEF057803391
- Title
- Brandenburg Concerto No. 4 in G Major, BWV 1049: I. Allegro
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x04f2c5e857b61950f1dbadda09ece3a4b6007871d10b016149598f51adfaa5e8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:d9ca147be835393b530ed32c335a22e053079c88fb14fca313f79b87a41d464a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057803391
- Bitcoin block existence check
- https://blockstream.info/api/block/956889
Full record
Track page: Brandenburg Concerto No. 4 in G Major, BWV 1049: I. Allegro · Machine-readable JSON-LD