ISRC HKI192402628

Verified recording

HKI192402628 is “Berceuse in D-Flat Major, Op. 57, B. 154” by Frédéric Chopin, registered on the CopyrightChains blockchain with CopyrightID 0x337b07ff9f2294699e9da5690ec6b8f2855d28acfdfcb2198d1bf5002e7eb951 and independently timestamped in Bitcoin block 960435 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI192402628.

Recording identifiers

ISRC
HKI192402628
Title
Berceuse in D-Flat Major, Op. 57, B. 154
Artist
Frédéric Chopin
CopyrightID (CopyrightChains transaction hash)
0x337b07ff9f2294699e9da5690ec6b8f2855d28acfdfcb2198d1bf5002e7eb951

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T16:33:26+00:00
Bitcoin block
960435
Canonical record hash
sha256:2face3dc3091ac044dccffb8e26b6646df3d676b0f4e82bd7e64874a8bf56537
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI192402628
Bitcoin block existence check
https://blockstream.info/api/block/960435

Full record

Track page: Berceuse in D-Flat Major, Op. 57, B. 154 · Machine-readable JSON-LD