ISRC GBF078340409
Verified recording
GBF078340409 is “Mazurka No. 42 in G Major, Op. 67 No. 1. Vivace” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x30dc3f4a76a52e960ab602f201bed1e955ef9df62f58d7ea98d07237205ed7cd and independently timestamped
in Bitcoin block 960153 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078340409.
Recording identifiers
- ISRC
- GBF078340409
- Title
- Mazurka No. 42 in G Major, Op. 67 No. 1. Vivace
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x30dc3f4a76a52e960ab602f201bed1e955ef9df62f58d7ea98d07237205ed7cd
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:57:12+00:00
- Bitcoin block
- 960153
- Canonical record hash
sha256:50c42af3144fe2cb46dfcb4a047e614b068c6dbc6ee9c03deb8b73ad7114b3b1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078340409
- Bitcoin block existence check
- https://blockstream.info/api/block/960153
Full record
Track page: Mazurka No. 42 in G Major, Op. 67 No. 1. Vivace · Machine-readable JSON-LD