ISRC DEF057803392
Verified recording
DEF057803392 is “Brandenburg Concerto No. 4 in G Major, BWV 1049: II. Andante” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0xf8b2c427a41113fb7ef56f0083bf8fdfa1e8396e2da67073b4ef722bf6a50bcc and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057803392.
Recording identifiers
- ISRC
- DEF057803392
- Title
- Brandenburg Concerto No. 4 in G Major, BWV 1049: II. Andante
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0xf8b2c427a41113fb7ef56f0083bf8fdfa1e8396e2da67073b4ef722bf6a50bcc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:95853c904008c49c209bfe54dfa71495ef00d60688bfe4a27b26a97c46691fb7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057803392
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Brandenburg Concerto No. 4 in G Major, BWV 1049: II. Andante · Machine-readable JSON-LD