ISRC USBC19803373
Verified recording
USBC19803373 is “Ballade No. 1, Op. 23” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x01ddd868f95a1dea8eba1422b55fb8860fa3e28de837b70a07b9bb50925bf3a7 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19803373.
Recording identifiers
- ISRC
- USBC19803373
- Title
- Ballade No. 1, Op. 23
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x01ddd868f95a1dea8eba1422b55fb8860fa3e28de837b70a07b9bb50925bf3a7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:5e367ebbb8cf9ab7be5145954ae09f180b3b6ff3ee89a1de7964caaefb459fdc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19803373
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Ballade No. 1, Op. 23 · Machine-readable JSON-LD