ISRC DEF056702671
Verified recording
DEF056702671 is “Brandenburg Concerto No. 4 in G, BWV 1049: 1. Allegro” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x3d128c518ab03f98b08687c838c8f74a28b106c84ed1e9a1bc349029758761ca 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/DEF056702671.
Recording identifiers
- ISRC
- DEF056702671
- Title
- Brandenburg Concerto No. 4 in G, BWV 1049: 1. Allegro
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x3d128c518ab03f98b08687c838c8f74a28b106c84ed1e9a1bc349029758761ca
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:f026a6d1bb52899a2f4a2de1eef6222b8cddcd629f60fc01693c696af1f0c7ce- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056702671
- Bitcoin block existence check
- https://blockstream.info/api/block/956889
Full record
Track page: Brandenburg Concerto No. 4 in G, BWV 1049: 1. Allegro · Machine-readable JSON-LD