ISRC GBF071304321
Verified recording
GBF071304321 is “3 Mazurkas, op.50: No. 1 in G Major” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x5009ab00f37be05c380ab8e35c3ae308bf661acc105e097d55e99597758c94d9 and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071304321.
Recording identifiers
- ISRC
- GBF071304321
- Title
- 3 Mazurkas, op.50: No. 1 in G Major
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x5009ab00f37be05c380ab8e35c3ae308bf661acc105e097d55e99597758c94d9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:cce19f705170fed3ae43bfaca29fa020f20c4b1de4aead410ae785234ca6f3c0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071304321
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: 3 Mazurkas, op.50: No. 1 in G Major · Machine-readable JSON-LD