ISRC NLE421803908
Verified recording
NLE421803908 is “Swan Lake, Op. 20, TH 12 (1877 Version), Act I: No. 4c, Pas de trois. III. Allegro semplice” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0xfabb3d557b9ceb767faa7ec2a5a419bb11cdfa04c2022bf896bcc1b8cf69f8ce 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/NLE421803908.
Recording identifiers
- ISRC
- NLE421803908
- Title
- Swan Lake, Op. 20, TH 12 (1877 Version), Act I: No. 4c, Pas de trois. III. Allegro semplice
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0xfabb3d557b9ceb767faa7ec2a5a419bb11cdfa04c2022bf896bcc1b8cf69f8ce
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:2de19f1ca7f25acf3ddde343b6d704ba081dc18b69b7b57af7bebbfaaf37f0df- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421803908
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Swan Lake, Op. 20, TH 12 (1877 Version), Act I: No. 4c, Pas de trois. III. Allegro semplice · Machine-readable JSON-LD