ISRC FRZ111001599
Verified recording
FRZ111001599 is “Chopin: 12 Études, Op. 25: No. 9 in G-Flat Major "Butterfly"” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x44eebdef4ebd96290b357765279769f00756f6b0e4028a196fdf99e5ed43d701 and independently timestamped
in Bitcoin block 960150 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111001599.
Recording identifiers
- ISRC
- FRZ111001599
- Title
- Chopin: 12 Études, Op. 25: No. 9 in G-Flat Major "Butterfly"
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x44eebdef4ebd96290b357765279769f00756f6b0e4028a196fdf99e5ed43d701
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:51:49+00:00
- Bitcoin block
- 960150
- Canonical record hash
sha256:fd5968e6e969b822e1c039e37cba1144bcd4afeb02f8c4e8b568f591e0698929- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111001599
- Bitcoin block existence check
- https://blockstream.info/api/block/960150
Full record
Track page: Chopin: 12 Études, Op. 25: No. 9 in G-Flat Major "Butterfly" · Machine-readable JSON-LD