ISRC QM4TX2454009

Verified recording

QM4TX2454009 is “Knock Knock” by Truth Hurts, registered on the CopyrightChains blockchain with CopyrightID 0xd30df30fef08cbed77a63394a1957a23b48bddf12b049ebcccf07ebde5352a64 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/QM4TX2454009.

Recording identifiers

ISRC
QM4TX2454009
Title
Knock Knock
Artist
Truth Hurts
CopyrightID (CopyrightChains transaction hash)
0xd30df30fef08cbed77a63394a1957a23b48bddf12b049ebcccf07ebde5352a64

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19+00:00
Bitcoin block
957118
Canonical record hash
sha256:b43689fe0eb544a7ad64fa02408850a27b1b9c5b8436404f1ef6a53bd496932a
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TX2454009
Bitcoin block existence check
https://blockstream.info/api/block/957118

Full record

Track page: Knock Knock · Machine-readable JSON-LD