ISRC QZNJX2100012
Verified recording
QZNJX2100012 is “El Lago de los Cisnes” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0xb84e06c39442c1b46b126320abd4e749c3a6dbae31c14f0257b5cbdcafe8e700 and independently timestamped
in Bitcoin block 960117 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJX2100012.
Recording identifiers
- ISRC
- QZNJX2100012
- Title
- El Lago de los Cisnes
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0xb84e06c39442c1b46b126320abd4e749c3a6dbae31c14f0257b5cbdcafe8e700
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T14:28:24+00:00
- Bitcoin block
- 960117
- Canonical record hash
sha256:f3f3a10e5cb79f39340e294e38cb8224b0aaeb2cbe190b5ac7d0519accbd91d6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJX2100012
- Bitcoin block existence check
- https://blockstream.info/api/block/960117
Full record
Track page: El Lago de los Cisnes · Machine-readable JSON-LD