ISRC USJSJ1012215
Verified recording
USJSJ1012215 is “Waltz in A Minor, Op. 34 No. 2 "Valse brillante"” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x2a8d6d7f55dfe6b39f3fe64cf2e9db6301247c61ec37b53c39343fc028fd409c and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USJSJ1012215.
Recording identifiers
- ISRC
- USJSJ1012215
- Title
- Waltz in A Minor, Op. 34 No. 2 "Valse brillante"
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x2a8d6d7f55dfe6b39f3fe64cf2e9db6301247c61ec37b53c39343fc028fd409c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:d52ed2356b75e3b705e38e77e2138098a802c5670e2e760a8f98135d07cc6c1c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USJSJ1012215
- Bitcoin block existence check
- https://blockstream.info/api/block/953513
Full record
Track page: Waltz in A Minor, Op. 34 No. 2 "Valse brillante" · Machine-readable JSON-LD