ISRC GBAJY0836109
Verified recording
GBAJY0836109 is “Mazurka No. 9 in C Major, Op. 7 No. 5” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x54120fb09c6ca630b73321fc82c91186eac142f75f242f3d47d28d5fb63050ea and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY0836109.
Recording identifiers
- ISRC
- GBAJY0836109
- Title
- Mazurka No. 9 in C Major, Op. 7 No. 5
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x54120fb09c6ca630b73321fc82c91186eac142f75f242f3d47d28d5fb63050ea
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:7a918f42e68e85948de8512b4288a7a9e63e511927ba8758d98a4269a49e3c63- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY0836109
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Mazurka No. 9 in C Major, Op. 7 No. 5 · Machine-readable JSON-LD