ISRC USUM71701332
Verified recording
USUM71701332 is “First Fuck” by 6LACK,
registered on the CopyrightChains blockchain with CopyrightID
0xc06f62188e29e57acb713eab2cfe4015e49c0fe98b70912034920fcceba10962 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/USUM71701332.
Recording identifiers
- ISRC
- USUM71701332
- Title
- First Fuck
- Artist
- 6LACK
- CopyrightID (CopyrightChains transaction hash)
0xc06f62188e29e57acb713eab2cfe4015e49c0fe98b70912034920fcceba10962
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:4dca6df4da2476ae9d90f7a5a1c6fc98b88b88def1e06af2bcccba2596b99934- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71701332
- Bitcoin block existence check
- https://blockstream.info/api/block/953513