ISRC GBLWD1305404

Verified recording

GBLWD1305404 is “Stabat Mater, Op. 53: IV. Spraw, niech placze z Toba razem (Soprano, Alto, Chorus)” by Karol Szymanowski, registered on the CopyrightChains blockchain with CopyrightID 0x32af9ca06f15e1ef23a31e9a650099628c049ba95ec1b68c6d5816f2c03bbcf4 and independently timestamped in Bitcoin block 957819 on 2026-07-13. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD1305404.

Recording identifiers

ISRC
GBLWD1305404
Title
Stabat Mater, Op. 53: IV. Spraw, niech placze z Toba razem (Soprano, Alto, Chorus)
Artist
Karol Szymanowski
CopyrightID (CopyrightChains transaction hash)
0x32af9ca06f15e1ef23a31e9a650099628c049ba95ec1b68c6d5816f2c03bbcf4

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-13T07:53:33+00:00
Bitcoin block
957819
Canonical record hash
sha256:6306f92a5b78db2bda8388f8af0c985989eb044bbedd50ed3a49ea0076ace8d7
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD1305404
Bitcoin block existence check
https://blockstream.info/api/block/957819

Full record

Track page: Stabat Mater, Op. 53: IV. Spraw, niech placze z Toba razem (Soprano, Alto, Chorus) · Machine-readable JSON-LD