ISRC CAAGN1699008

Verified recording

CAAGN1699008 is “Mazurka No. 40 in F Minor, Op. 63 No. 2” by Frédéric Chopin, registered on the CopyrightChains blockchain with CopyrightID 0xf17dfb4dbf5a6d7f39bb4ca7c31945ad0f80e21762ada63ce2d2fcda43b5b3d2 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/CAAGN1699008.

Recording identifiers

ISRC
CAAGN1699008
Title
Mazurka No. 40 in F Minor, Op. 63 No. 2
Artist
Frédéric Chopin
CopyrightID (CopyrightChains transaction hash)
0xf17dfb4dbf5a6d7f39bb4ca7c31945ad0f80e21762ada63ce2d2fcda43b5b3d2

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19+00:00
Bitcoin block
957118
Canonical record hash
sha256:58fa758a35b36b4f13050b0603faf65a289c1cc76a4a7550d31782f651401db1
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAAGN1699008
Bitcoin block existence check
https://blockstream.info/api/block/957118

Full record

Track page: Mazurka No. 40 in F Minor, Op. 63 No. 2 · Machine-readable JSON-LD