ISRC UST8K1654621
Verified recording
UST8K1654621 is “Underground Connection” by Joker,
registered on the CopyrightChains blockchain with CopyrightID
0xbf502a09d251521e38d7431c41bb2b27df24735729eb0a9c8def790e3ed9fe53 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/UST8K1654621.
Recording identifiers
- ISRC
- UST8K1654621
- Title
- Underground Connection
- Artist
- Joker
- CopyrightID (CopyrightChains transaction hash)
0xbf502a09d251521e38d7431c41bb2b27df24735729eb0a9c8def790e3ed9fe53
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:53:06+00:00
- Bitcoin block
- 953515
- Canonical record hash
sha256:3f2b3d6a79c577a96fd8cf2c534048fb94b136f972c04a18c6a0e0d67da48aab- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UST8K1654621
- Bitcoin block existence check
- https://blockstream.info/api/block/953515
Full record
Track page: Underground Connection · Machine-readable JSON-LD