ISRC FRZ209638680
Verified recording
FRZ209638680 is “Tchaikovsky: Children's Album, Op. 39: No. 16, Old French Song” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x54ddf57dfbd19ebd7318212ef59767974ec38aaaf413a3671d7b2cc40c6d04a9 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/FRZ209638680.
Recording identifiers
- ISRC
- FRZ209638680
- Title
- Tchaikovsky: Children's Album, Op. 39: No. 16, Old French Song
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x54ddf57dfbd19ebd7318212ef59767974ec38aaaf413a3671d7b2cc40c6d04a9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:2b0f282bde34a17531eb2c97df44c7b4f82d5f8d86da121200bacd51c9374f8c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209638680
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Tchaikovsky: Children's Album, Op. 39: No. 16, Old French Song · Machine-readable JSON-LD