ISRC USBC19200600
Verified recording
USBC19200600 is “Waltzes, Op. 70: No. 2 in F Minor” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x66724f47787e3939f61306312890ce73604af929928d442640f49707c966af0e and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19200600.
Recording identifiers
- ISRC
- USBC19200600
- Title
- Waltzes, Op. 70: No. 2 in F Minor
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x66724f47787e3939f61306312890ce73604af929928d442640f49707c966af0e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:38d29b66416a700cb426bcae1d94b624749058f7c4ac13ef457ef79eb9beaf2d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19200600
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Waltzes, Op. 70: No. 2 in F Minor · Machine-readable JSON-LD