ISRC GBF071304330
Verified recording
GBF071304330 is “Polonaise In A Flat Major, Op. 53” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xb54f78c25dddefce5be837447c42b754e7345df66f13dff8291c89e6a4030cc8 and independently timestamped
in Bitcoin block 960236 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071304330.
Recording identifiers
- ISRC
- GBF071304330
- Title
- Polonaise In A Flat Major, Op. 53
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xb54f78c25dddefce5be837447c42b754e7345df66f13dff8291c89e6a4030cc8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T09:37:10+00:00
- Bitcoin block
- 960236
- Canonical record hash
sha256:1fdffc282e4722823817bddf3f8085fce15acbaf771f98d3a8b60ef897e8f6a4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071304330
- Bitcoin block existence check
- https://blockstream.info/api/block/960236
Full record
Track page: Polonaise In A Flat Major, Op. 53 · Machine-readable JSON-LD