ISRC NLE421500502
Verified recording
NLE421500502 is “Swan Lake, Op. 20, TH 12: No. 2, Valse” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0xd736e5dd51184096d3a97ba26cc98c8f4db189fd0e3a7105c6d5d47ba071bb5b and independently timestamped
in Bitcoin block 960207 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421500502.
Recording identifiers
- ISRC
- NLE421500502
- Title
- Swan Lake, Op. 20, TH 12: No. 2, Valse
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0xd736e5dd51184096d3a97ba26cc98c8f4db189fd0e3a7105c6d5d47ba071bb5b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T04:47:22+00:00
- Bitcoin block
- 960207
- Canonical record hash
sha256:b34b809911da7fb8c1664d49f304d02f0430dcfcdd5c7115b7ca13bb00cec1a9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421500502
- Bitcoin block existence check
- https://blockstream.info/api/block/960207
Full record
Track page: Swan Lake, Op. 20, TH 12: No. 2, Valse · Machine-readable JSON-LD