ISRC NLE421803926
Verified recording
NLE421803926 is “Swan Lake, Op. 20, TH 12 (1877 Version), Act II: No. 13d, Danse des cygnes. V. Pas d'action. Andante” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0xec2082e618adab3db3c11fedc304e2c1ed3c946cdee44c7dc0eaf3988d734a54 and independently timestamped
in Bitcoin block 956894 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421803926.
Recording identifiers
- ISRC
- NLE421803926
- Title
- Swan Lake, Op. 20, TH 12 (1877 Version), Act II: No. 13d, Danse des cygnes. V. Pas d'action. Andante
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0xec2082e618adab3db3c11fedc304e2c1ed3c946cdee44c7dc0eaf3988d734a54
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T07:53:57+00:00
- Bitcoin block
- 956894
- Canonical record hash
sha256:23fe20f8d4a74c0f3e430d0faa7500ec8ebdd8bb8961436d1c841abdd9831a2c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421803926
- Bitcoin block existence check
- https://blockstream.info/api/block/956894
Full record
Track page: Swan Lake, Op. 20, TH 12 (1877 Version), Act II: No. 13d, Danse des cygnes. V. Pas d'action. Andante · Machine-readable JSON-LD