ISRC NLE421803939
Verified recording
NLE421803939 is “Swan Lake, Op. 20, TH 12 (1877 Version), Act III: No.19f, Pas de six. Var. 5, Moderato” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x534a71e29a610e80caa1ae83e5df4fdde6d12c698e5f85f0bcc7bc773d51d87f 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/NLE421803939.
Recording identifiers
- ISRC
- NLE421803939
- Title
- Swan Lake, Op. 20, TH 12 (1877 Version), Act III: No.19f, Pas de six. Var. 5, Moderato
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x534a71e29a610e80caa1ae83e5df4fdde6d12c698e5f85f0bcc7bc773d51d87f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:7ea8a1fd55a89f91570e012a55f6f14681478dd429d750ba61f546b039541d51- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421803939
- 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.19f, Pas de six. Var. 5, Moderato · Machine-readable JSON-LD