ISRC USUR40307502
Verified recording
USUR40307502 is “Hold It Down” by Greyboy,
registered on the CopyrightChains blockchain with CopyrightID
0x6c4a62e77df5c1705cb6d21505871a4fe2dcb5d1f4a2549168f9258b3a4c4a7c and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUR40307502.
Recording identifiers
- ISRC
- USUR40307502
- Title
- Hold It Down
- Artist
- Greyboy
- CopyrightID (CopyrightChains transaction hash)
0x6c4a62e77df5c1705cb6d21505871a4fe2dcb5d1f4a2549168f9258b3a4c4a7c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:29d4ee13bd8ea04f4036ee60deccd696b8fee7f4abfab5758d0db5cda95cbc09- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUR40307502
- Bitcoin block existence check
- https://blockstream.info/api/block/956304