ISRC CH6542271690

Verified recording

CH6542271690 is “2 Piano Pieces, Op. 38: Mazurka, Op. 38, No. 2” by Nikolai Rimsky-Korsakov, registered on the CopyrightChains blockchain with CopyrightID 0x0cee89322935774c2603c711d020d7b1da1b08726e4b0213a715f2abb23a5457 and independently timestamped in Bitcoin block 960468 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH6542271690.

Recording identifiers

ISRC
CH6542271690
Title
2 Piano Pieces, Op. 38: Mazurka, Op. 38, No. 2
Artist
Nikolai Rimsky-Korsakov
CopyrightID (CopyrightChains transaction hash)
0x0cee89322935774c2603c711d020d7b1da1b08726e4b0213a715f2abb23a5457

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T21:25:57+00:00
Bitcoin block
960468
Canonical record hash
sha256:94b1b00ca0c8a35b217ac9b7e75674b2d9de53fb28cd2c8caae552a0e824fa1d
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH6542271690
Bitcoin block existence check
https://blockstream.info/api/block/960468

Full record

Track page: 2 Piano Pieces, Op. 38: Mazurka, Op. 38, No. 2 · Machine-readable JSON-LD