ISRC USUM72022048
Verified recording
USUM72022048 is “21” by Landon Cube,
registered on the CopyrightChains blockchain with CopyrightID
0xe35cafa269eaae7553c5a78f61c5f41f4d3edc4fd54c9ce0055b6b90881e765a and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72022048.
Recording identifiers
- ISRC
- USUM72022048
- Title
- 21
- Artist
- Landon Cube
- CopyrightID (CopyrightChains transaction hash)
0xe35cafa269eaae7553c5a78f61c5f41f4d3edc4fd54c9ce0055b6b90881e765a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:5a3dd173d8375cacdc9aadda2b4081f430663ed168aa8ecf008218a10a72314d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72022048
- Bitcoin block existence check
- https://blockstream.info/api/block/953520