ISRC QZFZ31942722
Verified recording
QZFZ31942722 is “How It Was” by Jkj,
registered on the CopyrightChains blockchain with CopyrightID
0x0c43abf02f150b1a10a666c4dff0817f6a00dd023d5147423a9c0ea1d9945dcd and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ31942722.
Recording identifiers
- ISRC
- QZFZ31942722
- Title
- How It Was
- Artist
- Jkj
- CopyrightID (CopyrightChains transaction hash)
0x0c43abf02f150b1a10a666c4dff0817f6a00dd023d5147423a9c0ea1d9945dcd
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:c27317384930aba54a18d7994ec4d56b55614635e4043fda3012d22f7d8bbf41- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ31942722
- Bitcoin block existence check
- https://blockstream.info/api/block/956304