ISRC GBAYC8900558

Verified recording

GBAYC8900558 is “Rachmaninov: 8 Études-Tableaux, Op. 33: No. 5 in E-Flat Minor” by Sergei Rachmaninoff, registered on the CopyrightChains blockchain with CopyrightID 0x89e947a434224942dd033a5e4184a2a82209670a85c6ac74f5473bd56dc59875 and independently timestamped in Bitcoin block 960403 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8900558.

Recording identifiers

ISRC
GBAYC8900558
Title
Rachmaninov: 8 Études-Tableaux, Op. 33: No. 5 in E-Flat Minor
Artist
Sergei Rachmaninoff
CopyrightID (CopyrightChains transaction hash)
0x89e947a434224942dd033a5e4184a2a82209670a85c6ac74f5473bd56dc59875

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T13:04:34+00:00
Bitcoin block
960403
Canonical record hash
sha256:de9f88a71bb874fd10c50339d53ba99ba847b9af8f681f2a9b95d1f475409b94
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8900558
Bitcoin block existence check
https://blockstream.info/api/block/960403

Full record

Track page: Rachmaninov: 8 Études-Tableaux, Op. 33: No. 5 in E-Flat Minor · Machine-readable JSON-LD