ISRC USPR19104475
Verified recording
USPR19104475 is “Optimistic” by Sounds Of Blackness,
registered on the CopyrightChains blockchain with CopyrightID
0xf7c8de6ffb91040974f932c38008acfaf47fe419c5a28ccf49005c0ce69c92c9 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USPR19104475.
Recording identifiers
- ISRC
- USPR19104475
- Title
- Optimistic
- Artist
- Sounds Of Blackness
- CopyrightID (CopyrightChains transaction hash)
0xf7c8de6ffb91040974f932c38008acfaf47fe419c5a28ccf49005c0ce69c92c9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:b5413ee72894308870c2a24005ab142d5fab1434e95ec6eeef6f258fbbe2013b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USPR19104475
- Bitcoin block existence check
- https://blockstream.info/api/block/957118