ISRC GBBBC1900192

Verified recording

GBBBC1900192 is “Requiem, Op. 89, B. 165 / Part 1: 5. Quid Sum Miser” by Antonín Dvořák, registered on the CopyrightChains blockchain with CopyrightID 0x8e3da698553cba585ad66e1197a5096171febafcf75854e9d8af44109902ecc1 and independently timestamped in Bitcoin block 960478 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBC1900192.

Recording identifiers

ISRC
GBBBC1900192
Title
Requiem, Op. 89, B. 165 / Part 1: 5. Quid Sum Miser
Artist
Antonín Dvořák
CopyrightID (CopyrightChains transaction hash)
0x8e3da698553cba585ad66e1197a5096171febafcf75854e9d8af44109902ecc1

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T23:30:38+00:00
Bitcoin block
960478
Canonical record hash
sha256:2687706a77e25b080a6ee1d6fd53416a3a323f931c57ff197945bc3da365d27d
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBC1900192
Bitcoin block existence check
https://blockstream.info/api/block/960478

Full record

Track page: Requiem, Op. 89, B. 165 / Part 1: 5. Quid Sum Miser · Machine-readable JSON-LD