ISRC NLE070500033

Verified recording

NLE070500033 is “Het Zwanenmeer, Op. 20: Een Meisje!” by Pyotr Ilyich Tchaikovsky, registered on the CopyrightChains blockchain with CopyrightID 0xcccacc3d706af3e6da89b0a8305a10d8364c32c4c9f3e136afe309ab0536646c and independently timestamped in Bitcoin block 960138 on 2026-07-29. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE070500033.

Recording identifiers

ISRC
NLE070500033
Title
Het Zwanenmeer, Op. 20: Een Meisje!
Artist
Pyotr Ilyich Tchaikovsky
CopyrightID (CopyrightChains transaction hash)
0xcccacc3d706af3e6da89b0a8305a10d8364c32c4c9f3e136afe309ab0536646c

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34+00:00
Bitcoin block
960138
Canonical record hash
sha256:5ebf9e8bb422b10a972eb4916d3b8deba946c83a4a0ef71fc1746d0c4f5d97f0
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE070500033
Bitcoin block existence check
https://blockstream.info/api/block/960138

Full record

Track page: Het Zwanenmeer, Op. 20: Een Meisje! · Machine-readable JSON-LD