ISRC GBLWD9607305
Verified recording
GBLWD9607305 is “Concerto for Two Violins and Strings in D Minor, BWV 1043: II. Largo ma non tanto” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x8fe93e03a77dfdad0eefe4fd7f316221f52f6ba7fe69b4ac74b21ebcab28f2c5 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD9607305.
Recording identifiers
- ISRC
- GBLWD9607305
- Title
- Concerto for Two Violins and Strings in D Minor, BWV 1043: II. Largo ma non tanto
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x8fe93e03a77dfdad0eefe4fd7f316221f52f6ba7fe69b4ac74b21ebcab28f2c5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:a9aa8d447eb76f94f007de8e27baf8784e34799a0da03f41be2ce00aeabeae83- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD9607305
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Concerto for Two Violins and Strings in D Minor, BWV 1043: II. Largo ma non tanto · Machine-readable JSON-LD