ISRC GBUM72406491
Verified recording
GBUM72406491 is “Polonaise in G-Flat Major, KK IVa/8 - Excerpt” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xe9f6952b152ca719a081d98d1cc2b91f306c9edc6270a3e21c8ab98646db5121 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM72406491.
Recording identifiers
- ISRC
- GBUM72406491
- Title
- Polonaise in G-Flat Major, KK IVa/8 - Excerpt
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xe9f6952b152ca719a081d98d1cc2b91f306c9edc6270a3e21c8ab98646db5121
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:2f6132d50ecdf2b359380b5a3bdf7474349a091fa31fed9d1c7bff8e2e4a6988- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM72406491
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Polonaise in G-Flat Major, KK IVa/8 - Excerpt · Machine-readable JSON-LD