ISRC GBGCS1600017

Verified recording

GBGCS1600017 is “Polka” by Alfred Schnittke, registered on the CopyrightChains blockchain with CopyrightID 0x9b214fc6cd438148e74789baade0d1f7231b41de41234985cfb540fb2b6df360 and independently timestamped in Bitcoin block 957120 on 2026-07-08. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBGCS1600017.

Recording identifiers

ISRC
GBGCS1600017
Title
Polka
Artist
Alfred Schnittke
CopyrightID (CopyrightChains transaction hash)
0x9b214fc6cd438148e74789baade0d1f7231b41de41234985cfb540fb2b6df360

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41+00:00
Bitcoin block
957120
Canonical record hash
sha256:231a814005afe7610e11dd5378d924a772c455cc4e02792ba062e542323e1242
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBGCS1600017
Bitcoin block existence check
https://blockstream.info/api/block/957120

Full record

Track page: Polka · Machine-readable JSON-LD