ISRC USYSA0701002
Verified recording
USYSA0701002 is “Letter” by Jack Lee,
registered on the CopyrightChains blockchain with CopyrightID
0xdfc2c89da4fe83d8ced426712deaeed44be5f04e06d2f1ba0397be8aaf78dfd4 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/USYSA0701002.
Recording identifiers
- ISRC
- USYSA0701002
- Title
- Letter
- Artist
- Jack Lee
- CopyrightID (CopyrightChains transaction hash)
0xdfc2c89da4fe83d8ced426712deaeed44be5f04e06d2f1ba0397be8aaf78dfd4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:8f6bfb22f93763d8ff4bb4b1a06ff1ef001708d1f0a55d7702845ef69721f87e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USYSA0701002
- Bitcoin block existence check
- https://blockstream.info/api/block/956302