ISRC GBAYC9501633
Verified recording
GBAYC9501633 is “Piano Concerto No. 4 in G Minor, Op. 40: II. Largo” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0xb685e71577c6920c948f3cf0423048e4066cee3f9b188fbeb6626ac4634707b0 and independently timestamped
in Bitcoin block 960327 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9501633.
Recording identifiers
- ISRC
- GBAYC9501633
- Title
- Piano Concerto No. 4 in G Minor, Op. 40: II. Largo
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0xb685e71577c6920c948f3cf0423048e4066cee3f9b188fbeb6626ac4634707b0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:26:26+00:00
- Bitcoin block
- 960327
- Canonical record hash
sha256:b572cf6eb8e72be4a1cb2faa83f4d5c52f56697e751fb0d31daa923684ad2b02- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9501633
- Bitcoin block existence check
- https://blockstream.info/api/block/960327
Full record
Track page: Piano Concerto No. 4 in G Minor, Op. 40: II. Largo · Machine-readable JSON-LD