ISRC QZNJZ2157757
Verified recording
QZNJZ2157757 is “Mcdonals” by J.J. Pérez,
registered on the CopyrightChains blockchain with CopyrightID
0x3c9c16c1c448cfe1dd6b68478de5ca1dfff3f9cb9288c731cedb1abba61b3898 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/QZNJZ2157757.
Recording identifiers
- ISRC
- QZNJZ2157757
- Title
- Mcdonals
- Artist
- J.J. Pérez
- CopyrightID (CopyrightChains transaction hash)
0x3c9c16c1c448cfe1dd6b68478de5ca1dfff3f9cb9288c731cedb1abba61b3898
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:574e56b74afaddcbbddc19bd995a9b90257608d852d9b0bc4272bacc139bc71b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJZ2157757
- Bitcoin block existence check
- https://blockstream.info/api/block/957118