ISRC FRZ119603490
Verified recording
FRZ119603490 is “Chopin: Polonaise in A-Flat Major, Op. 53 "Heroic"” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x9158baee608503f4f3fcd669fed6f9da9dd580633ffb9939dbed2ba27824dd6b and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ119603490.
Recording identifiers
- ISRC
- FRZ119603490
- Title
- Chopin: Polonaise in A-Flat Major, Op. 53 "Heroic"
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x9158baee608503f4f3fcd669fed6f9da9dd580633ffb9939dbed2ba27824dd6b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:270d6755d28982d790d714e5c5ebfcf123dd671c74604c290346db5e357bf6ae- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ119603490
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: Chopin: Polonaise in A-Flat Major, Op. 53 "Heroic" · Machine-readable JSON-LD