ISRC FRZ140530040
Verified recording
FRZ140530040 is “Waltzes, Op. 64, B. 164c: No. 3 in A-Flat Major. Moderato” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xb77ed2f8e4136f4f6e63ca59b585b1a20c6a89a2e6258414416cd4355fff4526 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140530040.
Recording identifiers
- ISRC
- FRZ140530040
- Title
- Waltzes, Op. 64, B. 164c: No. 3 in A-Flat Major. Moderato
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xb77ed2f8e4136f4f6e63ca59b585b1a20c6a89a2e6258414416cd4355fff4526
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:440310530cd43b14f71b69379644c53d916089a6f4a21782a0d9cf0b3864f7af- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140530040
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Waltzes, Op. 64, B. 164c: No. 3 in A-Flat Major. Moderato · Machine-readable JSON-LD