ISRC NLE421803918
Verified recording
NLE421803918 is “Swan Lake, Op. 20, TH 12 (1877 Version), Act I: No. 8, Danse des coupes. Tempo di polacca” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0xaa74d8687e0923728e4c8a60e2c611c95ce3561d3be469be189a4b0500ea1deb and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421803918.
Recording identifiers
- ISRC
- NLE421803918
- Title
- Swan Lake, Op. 20, TH 12 (1877 Version), Act I: No. 8, Danse des coupes. Tempo di polacca
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0xaa74d8687e0923728e4c8a60e2c611c95ce3561d3be469be189a4b0500ea1deb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:373d4699c32b58cfb3722c3287d16a538b2fc9a252106d432a12cbe4225509b2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421803918
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Swan Lake, Op. 20, TH 12 (1877 Version), Act I: No. 8, Danse des coupes. Tempo di polacca · Machine-readable JSON-LD