ISRC DEF055903401
Verified recording
DEF055903401 is “Brandenburg Concerto No. 4 in G Major, BWV 1049: I. Allegro” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0xe9609060d65d63af79ae2c005f60cd84308a2c9048ce155b71ad9bc442824dba and independently timestamped
in Bitcoin block 960273 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055903401.
Recording identifiers
- ISRC
- DEF055903401
- Title
- Brandenburg Concerto No. 4 in G Major, BWV 1049: I. Allegro
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0xe9609060d65d63af79ae2c005f60cd84308a2c9048ce155b71ad9bc442824dba
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T15:42:38+00:00
- Bitcoin block
- 960273
- Canonical record hash
sha256:8cfbea9fa70fae8112e57d44ae9241add9214a09917465209b07a81584a2210f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055903401
- Bitcoin block existence check
- https://blockstream.info/api/block/960273
Full record
Track page: Brandenburg Concerto No. 4 in G Major, BWV 1049: I. Allegro · Machine-readable JSON-LD