ISRC QZQAY2439606
Verified recording
QZQAY2439606 is “Hard Knock” by Lil Double 0,
registered on the CopyrightChains blockchain with CopyrightID
0xbe939f8c28e72fc189d57e2f2bd8c506acb22d70829448031f46516ec8ea2f99 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/QZQAY2439606.
Recording identifiers
- ISRC
- QZQAY2439606
- Title
- Hard Knock
- Artist
- Lil Double 0
- CopyrightID (CopyrightChains transaction hash)
0xbe939f8c28e72fc189d57e2f2bd8c506acb22d70829448031f46516ec8ea2f99
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:53:06+00:00
- Bitcoin block
- 953515
- Canonical record hash
sha256:a369a91bdc47b371939cb470de56e9e986b36266c88b814cdda45a31d01d0675- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZQAY2439606
- Bitcoin block existence check
- https://blockstream.info/api/block/953515