ISRC FRZ131704060
Verified recording
FRZ131704060 is “The Seasons, Op. 37a, TH 135: No. 2 in D Major, February. The Carnival” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x899e1373440c6c602d977cfbfc4aff16015c8d24b5b07007198f354beed71634 and independently timestamped
in Bitcoin block 957048 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131704060.
Recording identifiers
- ISRC
- FRZ131704060
- Title
- The Seasons, Op. 37a, TH 135: No. 2 in D Major, February. The Carnival
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x899e1373440c6c602d977cfbfc4aff16015c8d24b5b07007198f354beed71634
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T14:18:56+00:00
- Bitcoin block
- 957048
- Canonical record hash
sha256:2f1ced47004731b12243b70fea093b8836cb55591b76d6157ef40fb380848f72- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131704060
- Bitcoin block existence check
- https://blockstream.info/api/block/957048
Full record
Track page: The Seasons, Op. 37a, TH 135: No. 2 in D Major, February. The Carnival · Machine-readable JSON-LD