ISRC TCAEG1979230
Verified recording
TCAEG1979230 is “Knew What I Knew” by Mack H.D,
registered on the CopyrightChains blockchain with CopyrightID
0x6b91262ec7aea47f386373685287680aad71f34140cc7741fb6a1ecce1fc28d9 and independently timestamped
in Bitcoin block 960258 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAEG1979230.
Recording identifiers
- ISRC
- TCAEG1979230
- Title
- Knew What I Knew
- Artist
- Mack H.D
- CopyrightID (CopyrightChains transaction hash)
0x6b91262ec7aea47f386373685287680aad71f34140cc7741fb6a1ecce1fc28d9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T12:45:34+00:00
- Bitcoin block
- 960258
- Canonical record hash
sha256:8fd78a2a7b8377a0818e2cc49913d57d928d14cb80a5c63f4e8efda232278164- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAEG1979230
- Bitcoin block existence check
- https://blockstream.info/api/block/960258