ISRC USUM72302903
Verified recording
USUM72302903 is “Testify” by 6LACK,
registered on the CopyrightChains blockchain with CopyrightID
0x75b5c4ab1e3517e620f95036a850350899fd913ab3d98dd9e33f6db4f55810fe and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72302903.
Recording identifiers
- ISRC
- USUM72302903
- Title
- Testify
- Artist
- 6LACK
- CopyrightID (CopyrightChains transaction hash)
0x75b5c4ab1e3517e620f95036a850350899fd913ab3d98dd9e33f6db4f55810fe
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:d1e3797c7175c614954154700d6be324a6a353c7c782318dfb1deacd70f7bac4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72302903
- Bitcoin block existence check
- https://blockstream.info/api/block/953513