ISRC USNA18712169
Verified recording
USNA18712169 is “Portraits” by Spencer Brewer,
registered on the CopyrightChains blockchain with CopyrightID
0x21c190fe3639027e32a042c41db6732367dfe57ebe651ab387fa78e1d37cad98 and independently timestamped
in Bitcoin block 960266 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNA18712169.
Recording identifiers
- ISRC
- USNA18712169
- Title
- Portraits
- Artist
- Spencer Brewer
- CopyrightID (CopyrightChains transaction hash)
0x21c190fe3639027e32a042c41db6732367dfe57ebe651ab387fa78e1d37cad98
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T14:44:50+00:00
- Bitcoin block
- 960266
- Canonical record hash
sha256:e69aa25996472ebc51d892853b9950660cd32aa04e7d6bdcc458b7dcadcd5621- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNA18712169
- Bitcoin block existence check
- https://blockstream.info/api/block/960266