ISRC NLE421803949
Verified recording
NLE421803949 is “Swan Lake, Op. 20, TH 12 (1877 Version), Act IV: No. 27, Danses des petits cygnes” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x01fe9c5c03a125ecb467354969c62818d60e336784400c804d1ec4e6ccd5ff4a 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/NLE421803949.
Recording identifiers
- ISRC
- NLE421803949
- Title
- Swan Lake, Op. 20, TH 12 (1877 Version), Act IV: No. 27, Danses des petits cygnes
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x01fe9c5c03a125ecb467354969c62818d60e336784400c804d1ec4e6ccd5ff4a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:0dae5669e775c6eb0001a251c8c0974769324907730226b6bf0c13d590258c93- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421803949
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Swan Lake, Op. 20, TH 12 (1877 Version), Act IV: No. 27, Danses des petits cygnes · Machine-readable JSON-LD