ISRC NLE421503820
Verified recording
NLE421503820 is “Swan Lake Op. 20, TH 12 (Arr. E. Langer): Danse napolitaine” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x9c6a285ed91ed9cf68e3c871cb99c1850d3f4c62570a5000678456208e723772 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/NLE421503820.
Recording identifiers
- ISRC
- NLE421503820
- Title
- Swan Lake Op. 20, TH 12 (Arr. E. Langer): Danse napolitaine
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x9c6a285ed91ed9cf68e3c871cb99c1850d3f4c62570a5000678456208e723772
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:7423620e9efc8ff795f0b48a366dabce0e37319f093f916985019b3087bbe2ab- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421503820
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Swan Lake Op. 20, TH 12 (Arr. E. Langer): Danse napolitaine · Machine-readable JSON-LD