ISRC NLCK42225754

Verified recording

NLCK42225754 is “questionmark” by BOP, registered on the CopyrightChains blockchain with CopyrightID 0xac1626a172169d6edb68d5b0f737e2d09e32847b05d86fe534e56bebbbfacf5f and independently timestamped in Bitcoin block 956889 on 2026-07-06. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLCK42225754.

Recording identifiers

ISRC
NLCK42225754
Title
questionmark
Artist
BOP
CopyrightID (CopyrightChains transaction hash)
0xac1626a172169d6edb68d5b0f737e2d09e32847b05d86fe534e56bebbbfacf5f

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49+00:00
Bitcoin block
956889
Canonical record hash
sha256:089eb10a9b31115e2211960f2f6403d0691238b7af31ba87edfef8ef373b20a0
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLCK42225754
Bitcoin block existence check
https://blockstream.info/api/block/956889

Full record

Track page: questionmark · Machine-readable JSON-LD