ISRC NLE421803928
Verified recording
NLE421803928 is “Swan Lake, Op. 20, TH 12 (1877 Version), Act II: No. 13f, Danse des cygnes. VII. Coda. Allegro vivo” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0xa78117423ee33bba5ca6cfcebfe94234a1a70de9893ebf87c6cd36f2d1b5988d and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421803928.
Recording identifiers
- ISRC
- NLE421803928
- Title
- Swan Lake, Op. 20, TH 12 (1877 Version), Act II: No. 13f, Danse des cygnes. VII. Coda. Allegro vivo
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0xa78117423ee33bba5ca6cfcebfe94234a1a70de9893ebf87c6cd36f2d1b5988d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:025d57919419c812bfed00d7e1b379fe47e262fc9e6816fed0b69ac8990437f8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421803928
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Swan Lake, Op. 20, TH 12 (1877 Version), Act II: No. 13f, Danse des cygnes. VII. Coda. Allegro vivo · Machine-readable JSON-LD