ISRC USSJ10914197
Verified recording
USSJ10914197 is “Nocturne No. 12 in G Major, Op. 37” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x429a292dbecfdd478bd55c0a1b15e869d6fb15b36e9a7d2f4387cf4923b3bcd2 and independently timestamped
in Bitcoin block 960459 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10914197.
Recording identifiers
- ISRC
- USSJ10914197
- Title
- Nocturne No. 12 in G Major, Op. 37
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x429a292dbecfdd478bd55c0a1b15e869d6fb15b36e9a7d2f4387cf4923b3bcd2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T20:22:46+00:00
- Bitcoin block
- 960459
- Canonical record hash
sha256:c2dcea60c919dfdf6c772b6aa56a493c1b540336ada7a1eec63acae37e7bf871- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10914197
- Bitcoin block existence check
- https://blockstream.info/api/block/960459
Full record
Track page: Nocturne No. 12 in G Major, Op. 37 · Machine-readable JSON-LD