ISRC USQ4E0900067
Verified recording
USQ4E0900067 is “Steven and Cal” by Alex Heffes,
registered on the CopyrightChains blockchain with CopyrightID
0xa90ed7f755479b41d84b7d5e269cd5c71f72f0e9123492a9a52e10a7f4b8fcba and independently timestamped
in Bitcoin block 960370 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQ4E0900067.
Recording identifiers
- ISRC
- USQ4E0900067
- Title
- Steven and Cal
- Artist
- Alex Heffes
- CopyrightID (CopyrightChains transaction hash)
0xa90ed7f755479b41d84b7d5e269cd5c71f72f0e9123492a9a52e10a7f4b8fcba
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T08:38:45+00:00
- Bitcoin block
- 960370
- Canonical record hash
sha256:cd17b74f787ef08256387fc360001dbd1e4f6362ee85979ec0d5d1c6c7f96f03- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQ4E0900067
- Bitcoin block existence check
- https://blockstream.info/api/block/960370