ISRC MXUM72300943
Verified recording
MXUM72300943 is “4D” by Yoiker,
registered on the CopyrightChains blockchain with CopyrightID
0x2b84735109a9c6b56e5773ed5800e133aacdb860f9e8d7263fb50c48cf59f5d5 and independently timestamped
in Bitcoin block 960229 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/MXUM72300943.
Recording identifiers
- ISRC
- MXUM72300943
- Title
- 4D
- Artist
- Yoiker
- CopyrightID (CopyrightChains transaction hash)
0x2b84735109a9c6b56e5773ed5800e133aacdb860f9e8d7263fb50c48cf59f5d5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T08:30:10+00:00
- Bitcoin block
- 960229
- Canonical record hash
sha256:92c70ea81e22d6a45d35d4d6972d0a1738f02081c1193b354752cd07b142d1db- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/MXUM72300943
- Bitcoin block existence check
- https://blockstream.info/api/block/960229