ISRC FRZ209638850
Verified recording
FRZ209638850 is “Bartók: For Children, Sz. 42, Book II "Based On Slovakian Folk Tunes": No. 7, Sorrow” by Béla Bartók,
registered on the CopyrightChains blockchain with CopyrightID
0x4dc3feafcdf6ea2d7f864f851040dd21b26b41abdee7d970c20eeb2a66bc9c8f and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209638850.
Recording identifiers
- ISRC
- FRZ209638850
- Title
- Bartók: For Children, Sz. 42, Book II "Based On Slovakian Folk Tunes": No. 7, Sorrow
- Artist
- Béla Bartók
- CopyrightID (CopyrightChains transaction hash)
0x4dc3feafcdf6ea2d7f864f851040dd21b26b41abdee7d970c20eeb2a66bc9c8f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:5e16be841c8175bfceba853d32c243b576a396ff558860aada1a4b6ac2e6d314- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209638850
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Bartók: For Children, Sz. 42, Book II "Based On Slovakian Folk Tunes": No. 7, Sorrow · Machine-readable JSON-LD