ISRC USLUU2301782

Verified recording

USLUU2301782 is “FUNCTION” by BIG30, registered on the CopyrightChains blockchain with CopyrightID 0x49397b83fd71e393e8613a2a2a1cf2971536c4bc3288953a7d9f700756b4ee7d and independently timestamped in Bitcoin block 953515 on 2026-06-13. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USLUU2301782.

Recording identifiers

ISRC
USLUU2301782
Title
FUNCTION
Artist
BIG30
CopyrightID (CopyrightChains transaction hash)
0x49397b83fd71e393e8613a2a2a1cf2971536c4bc3288953a7d9f700756b4ee7d

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06+00:00
Bitcoin block
953515
Canonical record hash
sha256:1592334150ea1f2df569bfa963aa60a7279b30b62189cb9c82b68b256440342d
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USLUU2301782
Bitcoin block existence check
https://blockstream.info/api/block/953515

Full record

Track page: FUNCTION · Machine-readable JSON-LD