ISRC USHM21662163
Verified recording
USHM21662163 is “Local Knowledge” by 30/70,
registered on the CopyrightChains blockchain with CopyrightID
0x7f0f16d71ea356033bdd54ad4187f23d557a4b44e1d4346be811b578761ce1c7 and independently timestamped
in Bitcoin block 956375 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM21662163.
Recording identifiers
- ISRC
- USHM21662163
- Title
- Local Knowledge
- Artist
- 30/70
- CopyrightID (CopyrightChains transaction hash)
0x7f0f16d71ea356033bdd54ad4187f23d557a4b44e1d4346be811b578761ce1c7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T16:51:38+00:00
- Bitcoin block
- 956375
- Canonical record hash
sha256:8e02726ace5c87ed4a0b824e76c5b62357edecb4bdb9dcc0474435edde995bda- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM21662163
- Bitcoin block existence check
- https://blockstream.info/api/block/956375