ISRC FRZ209638670
Verified recording
FRZ209638670 is “Tchaikovsky: Children's Album, Op. 39: No. 4, Mama” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0xdc8db94bbc2d2beb405a1887f5946d616cf40b9552eb5f322554aa3afd09c154 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209638670.
Recording identifiers
- ISRC
- FRZ209638670
- Title
- Tchaikovsky: Children's Album, Op. 39: No. 4, Mama
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0xdc8db94bbc2d2beb405a1887f5946d616cf40b9552eb5f322554aa3afd09c154
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:b16ffd22256b163954943fe8260106d35875d5b583d89d7fa9af6759b80d3c05- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209638670
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Tchaikovsky: Children's Album, Op. 39: No. 4, Mama · Machine-readable JSON-LD