ISRC NLE421803919
Verified recording
NLE421803919 is “Swan Lake, Op. 20, TH 12 (1877 Version), Act II: No. 9, Finale. Andante” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x15f934d2a624ecbe45bafbadb9d34ba075db919fbc70f4f80e9ee14011c13484 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/NLE421803919.
Recording identifiers
- ISRC
- NLE421803919
- Title
- Swan Lake, Op. 20, TH 12 (1877 Version), Act II: No. 9, Finale. Andante
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x15f934d2a624ecbe45bafbadb9d34ba075db919fbc70f4f80e9ee14011c13484
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:f5677f079f66d2d5cd39aed404db1811630296dd04141ce9d15d35c6b68ed37c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421803919
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Swan Lake, Op. 20, TH 12 (1877 Version), Act II: No. 9, Finale. Andante · Machine-readable JSON-LD