ISRC USPO10000830
Verified recording
USPO10000830 is “Tight To Def” by Mack 10,
registered on the CopyrightChains blockchain with CopyrightID
0x99b11fa4a49e618b0b11ed0c158a9c3c09304f982d15568ef2e5c0ef5eae40e1 and independently timestamped
in Bitcoin block 953515 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USPO10000830.
Recording identifiers
- ISRC
- USPO10000830
- Title
- Tight To Def
- Artist
- Mack 10
- CopyrightID (CopyrightChains transaction hash)
0x99b11fa4a49e618b0b11ed0c158a9c3c09304f982d15568ef2e5c0ef5eae40e1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:53:06+00:00
- Bitcoin block
- 953515
- Canonical record hash
sha256:341c6d343cdd15c65e678c95b0b5c660ca7efeb527c589e8392377645cc4848c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USPO10000830
- Bitcoin block existence check
- https://blockstream.info/api/block/953515