ISRC USFKZ2300070
Verified recording
USFKZ2300070 is “5 Pieces for String Quartet (Arr. for Orchestra by Manfred Honeck & Tomás Ille): No. 4, Alla tango milonga. Andante” by Erwin Schulhoff,
registered on the CopyrightChains blockchain with CopyrightID
0xf2b3c312caf3ac257520cb70132d4a63c4cbbced86e12d95a07ae232ccee305d and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USFKZ2300070.
Recording identifiers
- ISRC
- USFKZ2300070
- Title
- 5 Pieces for String Quartet (Arr. for Orchestra by Manfred Honeck & Tomás Ille): No. 4, Alla tango milonga. Andante
- Artist
- Erwin Schulhoff
- CopyrightID (CopyrightChains transaction hash)
0xf2b3c312caf3ac257520cb70132d4a63c4cbbced86e12d95a07ae232ccee305d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:eb58bd11774fcb60184dcf477c1b78fc98de095d448908c309a6692a2eec378b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USFKZ2300070
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: 5 Pieces for String Quartet (Arr. for Orchestra by Manfred Honeck & Tomás Ille): No. 4, Alla tango milonga. Andante · Machine-readable JSON-LD