ISRC USBC19300512
Verified recording
USBC19300512 is “Mazurka No. 1 in B Major, Op. 63” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x6ea97fe99dc11cf911d48d7f9cc086d23c2d030830ef61c53b217c17d6e7460a and independently timestamped
in Bitcoin block 960144 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19300512.
Recording identifiers
- ISRC
- USBC19300512
- Title
- Mazurka No. 1 in B Major, Op. 63
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x6ea97fe99dc11cf911d48d7f9cc086d23c2d030830ef61c53b217c17d6e7460a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:09:47+00:00
- Bitcoin block
- 960144
- Canonical record hash
sha256:3a8b2182e4bd7117e3e2772ca00b69dc0d737b098885833ebe32dcf9b4eff933- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19300512
- Bitcoin block existence check
- https://blockstream.info/api/block/960144
Full record
Track page: Mazurka No. 1 in B Major, Op. 63 · Machine-readable JSON-LD