ISRC USUM71910605
Verified recording
USUM71910605 is “Now You Know” by Jon Langston,
registered on the CopyrightChains blockchain with CopyrightID
0xb18adc02c04df51b4490cff30b0907cca5d60561cf41c62e8e7b5d67b87514d1 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71910605.
Recording identifiers
- ISRC
- USUM71910605
- Title
- Now You Know
- Artist
- Jon Langston
- CopyrightID (CopyrightChains transaction hash)
0xb18adc02c04df51b4490cff30b0907cca5d60561cf41c62e8e7b5d67b87514d1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:7c5feb0e44d9c2419345ff5e239cd0e5fb327f329e6df38e11284829ae06e5f7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71910605
- Bitcoin block existence check
- https://blockstream.info/api/block/956302