ISRC USUM72019689
Verified recording
USUM72019689 is “Lace Front” by Blacc Zacc,
registered on the CopyrightChains blockchain with CopyrightID
0x89b3f7e1903f171f4a5ff58df7de6f8d7db9a392dba42bf97b57b6d1e6e0eeec 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/USUM72019689.
Recording identifiers
- ISRC
- USUM72019689
- Title
- Lace Front
- Artist
- Blacc Zacc
- CopyrightID (CopyrightChains transaction hash)
0x89b3f7e1903f171f4a5ff58df7de6f8d7db9a392dba42bf97b57b6d1e6e0eeec
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:3f39ace52d38984d7b334c31c8fe2a85c7ecfe0effcb038f342a7b0a27d355c1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72019689
- Bitcoin block existence check
- https://blockstream.info/api/block/957118