ISRC NLE421803938
Verified recording
NLE421803938 is “Swan Lake, Op. 20, TH 12 (1877 Version), Act III: No.19e, Pas de six. Var. 4, Allegro” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x4e5384f1e61ce6d4ee1cf57184518073ed359889203dc777a410e075a6e17e63 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421803938.
Recording identifiers
- ISRC
- NLE421803938
- Title
- Swan Lake, Op. 20, TH 12 (1877 Version), Act III: No.19e, Pas de six. Var. 4, Allegro
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x4e5384f1e61ce6d4ee1cf57184518073ed359889203dc777a410e075a6e17e63
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:99bb0b6332400633a3ad8cfddf5d1e85eba04fcea43c109bca8c247d04e936d2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421803938
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Swan Lake, Op. 20, TH 12 (1877 Version), Act III: No.19e, Pas de six. Var. 4, Allegro · Machine-readable JSON-LD