ISRC GBAYC5800004

Verified recording

GBAYC5800004 is “Chopin: Nocturne No. 2 in E-Flat Major, Op. 9 No. 2 (Arr. Popper for Cello and Piano)” by Frédéric Chopin, registered on the CopyrightChains blockchain with CopyrightID 0xcbcf56f89b0cdb2f26d827e178c5a56641380698406cc45bd33793d8a2fd65c0 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/GBAYC5800004.

Recording identifiers

ISRC
GBAYC5800004
Title
Chopin: Nocturne No. 2 in E-Flat Major, Op. 9 No. 2 (Arr. Popper for Cello and Piano)
Artist
Frédéric Chopin
CopyrightID (CopyrightChains transaction hash)
0xcbcf56f89b0cdb2f26d827e178c5a56641380698406cc45bd33793d8a2fd65c0

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19+00:00
Bitcoin block
957118
Canonical record hash
sha256:da4102fc93801f043a142600fda033f9660de6b80fa2af5a0b97962a56fda763
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC5800004
Bitcoin block existence check
https://blockstream.info/api/block/957118

Full record

Track page: Chopin: Nocturne No. 2 in E-Flat Major, Op. 9 No. 2 (Arr. Popper for Cello and Piano) · Machine-readable JSON-LD