ISRC USCGH0578835
Verified recording
USCGH0578835 is “Self Portrait” by Lars Eric Mattsson,
registered on the CopyrightChains blockchain with CopyrightID
0x29b990c175571a49498f17aab5c8b8ab32c3ca0f08193484424ac519cb381a6d and independently timestamped
in Bitcoin block 960296 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGH0578835.
Recording identifiers
- ISRC
- USCGH0578835
- Title
- Self Portrait
- Artist
- Lars Eric Mattsson
- CopyrightID (CopyrightChains transaction hash)
0x29b990c175571a49498f17aab5c8b8ab32c3ca0f08193484424ac519cb381a6d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T19:11:09+00:00
- Bitcoin block
- 960296
- Canonical record hash
sha256:30e82dcb18abec4e796172d55121b52081b23552987404d9c86606a177f00ac5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGH0578835
- Bitcoin block existence check
- https://blockstream.info/api/block/960296