ISRC NLHK11900012
Verified recording
NLHK11900012 is “The Seasons, Op. 37b: No. 12, December, "Christmas"” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x85330e5def6fb4a1dcb8f22c5ce26a8ebdff3dcfbc8c5e6814ce405e7000865f and independently timestamped
in Bitcoin block 960160 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLHK11900012.
Recording identifiers
- ISRC
- NLHK11900012
- Title
- The Seasons, Op. 37b: No. 12, December, "Christmas"
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x85330e5def6fb4a1dcb8f22c5ce26a8ebdff3dcfbc8c5e6814ce405e7000865f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T22:48:59+00:00
- Bitcoin block
- 960160
- Canonical record hash
sha256:9344132230d03aa1dda8ba1f22ab4d0775a3d410afa1471bcbc6ca1343b2fcee- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLHK11900012
- Bitcoin block existence check
- https://blockstream.info/api/block/960160
Full record
Track page: The Seasons, Op. 37b: No. 12, December, "Christmas" · Machine-readable JSON-LD