ISRC QZTAT2172265
Verified recording
QZTAT2172265 is “Papa Doc” by John Mackk,
registered on the CopyrightChains blockchain with CopyrightID
0xb92b1a0a2e88c71476ad731eb7250df7d8354fc178507600637706e7784fb23b and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAT2172265.
Recording identifiers
- ISRC
- QZTAT2172265
- Title
- Papa Doc
- Artist
- John Mackk
- CopyrightID (CopyrightChains transaction hash)
0xb92b1a0a2e88c71476ad731eb7250df7d8354fc178507600637706e7784fb23b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:239102be7df6fbc01fc9376894d5b5b1ac96a2206929b4754155e1fccc8e6551- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAT2172265
- Bitcoin block existence check
- https://blockstream.info/api/block/956302