ISRC USA371452328

Verified recording

USA371452328 is “Nocturne, No. 3 In B” by Frédéric Chopin, registered on the CopyrightChains blockchain with CopyrightID 0x2ae453560e3122085d8681fd04a6d49fc4812431a50365f3446b2c4163a4b179 and independently timestamped in Bitcoin block 957120 on 2026-07-08. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA371452328.

Recording identifiers

ISRC
USA371452328
Title
Nocturne, No. 3 In B
Artist
Frédéric Chopin
CopyrightID (CopyrightChains transaction hash)
0x2ae453560e3122085d8681fd04a6d49fc4812431a50365f3446b2c4163a4b179

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41+00:00
Bitcoin block
957120
Canonical record hash
sha256:917626af9e21657c96c78d12a6a12272b91eaa9acafa0fd02862a6673d89ccb0
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA371452328
Bitcoin block existence check
https://blockstream.info/api/block/957120

Full record

Track page: Nocturne, No. 3 In B · Machine-readable JSON-LD