ISRC DES380023322

Verified recording

DES380023322 is “Waltz No. 5 in A-Flat Major, Op. 42: Waltz No. 5 in A-Flat Major, Op. 42” by Frédéric Chopin, registered on the CopyrightChains blockchain with CopyrightID 0xcf6f1a243b44cd5ac87845c8073825669fbd9e4cddd7f0741f71d4d7c75cb4f5 and independently timestamped in Bitcoin block 960494 on 2026-08-01. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380023322.

Recording identifiers

ISRC
DES380023322
Title
Waltz No. 5 in A-Flat Major, Op. 42: Waltz No. 5 in A-Flat Major, Op. 42
Artist
Frédéric Chopin
CopyrightID (CopyrightChains transaction hash)
0xcf6f1a243b44cd5ac87845c8073825669fbd9e4cddd7f0741f71d4d7c75cb4f5

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-08-01T01:44:32+00:00
Bitcoin block
960494
Canonical record hash
sha256:940ba459022c0505fae28a1a816d757d3567bc6b4b71b682a6fff2e10f61c7db
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380023322
Bitcoin block existence check
https://blockstream.info/api/block/960494

Full record

Track page: Waltz No. 5 in A-Flat Major, Op. 42: Waltz No. 5 in A-Flat Major, Op. 42 · Machine-readable JSON-LD