ISRC NLE421803914
Verified recording
NLE421803914 is “Swan Lake, Op. 20, TH 12 (1877 Version), Act I: No. 5c, Pas de deux. III. Tempo di valse” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0xfbb60119ac1ac223d99442fe24bb9e1bf7e07488c960f58bc421d74e28f5fff5 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/NLE421803914.
Recording identifiers
- ISRC
- NLE421803914
- Title
- Swan Lake, Op. 20, TH 12 (1877 Version), Act I: No. 5c, Pas de deux. III. Tempo di valse
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0xfbb60119ac1ac223d99442fe24bb9e1bf7e07488c960f58bc421d74e28f5fff5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:867d9ac2e675771dd0712383043da97393667ec29aeaa1e4f6b0b12d64ebb555- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421803914
- 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. 5c, Pas de deux. III. Tempo di valse · Machine-readable JSON-LD