ISRC GBAYC2302188

Verified recording

GBAYC2302188 is “Szymanowski: 20 Mazurkas, Op. 50: No. 10, Allegramente - Vivace - Con brio” by Karol Szymanowski, registered on the CopyrightChains blockchain with CopyrightID 0x85785d021b0d0d6e14fe2c98bff3a5250605bf195de5850e4ac09865f1f7f6e7 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/GBAYC2302188.

Recording identifiers

ISRC
GBAYC2302188
Title
Szymanowski: 20 Mazurkas, Op. 50: No. 10, Allegramente - Vivace - Con brio
Artist
Karol Szymanowski
CopyrightID (CopyrightChains transaction hash)
0x85785d021b0d0d6e14fe2c98bff3a5250605bf195de5850e4ac09865f1f7f6e7

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19+00:00
Bitcoin block
957118
Canonical record hash
sha256:75a47f77ddf2f123c9a1fbfccea15812ec15d6df62daebd0e4cbb82371929528
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2302188
Bitcoin block existence check
https://blockstream.info/api/block/957118

Full record

Track page: Szymanowski: 20 Mazurkas, Op. 50: No. 10, Allegramente - Vivace - Con brio · Machine-readable JSON-LD