ISRC DEF056904231

Verified recording

DEF056904231 is “Serenade For Strings In E Major, Op. 22, B.52: 2. Tempo di valse” by Antonín Dvořák, registered on the CopyrightChains blockchain with CopyrightID 0xfb315791dc08ccedd102486adcaa3ed7df433f2cb3209424bbbbc7527c7985bb and independently timestamped in Bitcoin block 957118 on 2026-07-08. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056904231.

Recording identifiers

ISRC
DEF056904231
Title
Serenade For Strings In E Major, Op. 22, B.52: 2. Tempo di valse
Artist
Antonín Dvořák
CopyrightID (CopyrightChains transaction hash)
0xfb315791dc08ccedd102486adcaa3ed7df433f2cb3209424bbbbc7527c7985bb

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19+00:00
Bitcoin block
957118
Canonical record hash
sha256:c1eefed718da416c35301c42ee28dfada35a2ae0d2ff0094d71f25424d232cce
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056904231
Bitcoin block existence check
https://blockstream.info/api/block/957118

Full record

Track page: Serenade For Strings In E Major, Op. 22, B.52: 2. Tempo di valse · Machine-readable JSON-LD