ISRC DEN961501331

Verified recording

DEN961501331 is “44 Duos for Two Violins, Sz. 98: No. 35 Rutén kolomejka” by Béla Bartók, registered on the CopyrightChains blockchain with CopyrightID 0x1f712391e19d6dd355f18eccd75565380ad182283ddb65a5a7e39580e8f05d17 and independently timestamped in Bitcoin block 957067 on 2026-07-07. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961501331.

Recording identifiers

ISRC
DEN961501331
Title
44 Duos for Two Violins, Sz. 98: No. 35 Rutén kolomejka
Artist
Béla Bartók
CopyrightID (CopyrightChains transaction hash)
0x1f712391e19d6dd355f18eccd75565380ad182283ddb65a5a7e39580e8f05d17

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-07T16:54:37+00:00
Bitcoin block
957067
Canonical record hash
sha256:2a64e100b88b3074204892be650dc0e3ac3888d3fba9d50ac482527f489e44f0
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961501331
Bitcoin block existence check
https://blockstream.info/api/block/957067

Full record

Track page: 44 Duos for Two Violins, Sz. 98: No. 35 Rutén kolomejka · Machine-readable JSON-LD