ISRC NLE421803943
Verified recording
NLE421803943 is “Swan Lake, Op. 20, TH 12 (1877 Version), Act III: No. 21, Danse espagnole” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0xc7a2631c6fa1be89e1c606777231406310d201d7c9351de43235de86a6488328 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/NLE421803943.
Recording identifiers
- ISRC
- NLE421803943
- Title
- Swan Lake, Op. 20, TH 12 (1877 Version), Act III: No. 21, Danse espagnole
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0xc7a2631c6fa1be89e1c606777231406310d201d7c9351de43235de86a6488328
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:65ca9db6e5b88523938ebb8c19d7fa344bd760486f89034052f9ebc59d0f5a2d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421803943
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Swan Lake, Op. 20, TH 12 (1877 Version), Act III: No. 21, Danse espagnole · Machine-readable JSON-LD