ISRC QZFZ32329291
Verified recording
QZFZ32329291 is “Old MacDonald (Freestyle)” by KARMYN AVRA,
registered on the CopyrightChains blockchain with CopyrightID
0x3899a398fa5c9741d5b58541a0d6202fb5a174f92986b427a61fd2f31061a5ad and independently timestamped
in Bitcoin block 960503 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ32329291.
Recording identifiers
- ISRC
- QZFZ32329291
- Title
- Old MacDonald (Freestyle)
- Artist
- KARMYN AVRA
- CopyrightID (CopyrightChains transaction hash)
0x3899a398fa5c9741d5b58541a0d6202fb5a174f92986b427a61fd2f31061a5ad
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T03:41:24+00:00
- Bitcoin block
- 960503
- Canonical record hash
sha256:9be6a2ff5368a97d14ffcfd4b1821b7086d72a5fba6b9875b09b9e9392fe63ef- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ32329291
- Bitcoin block existence check
- https://blockstream.info/api/block/960503
Full record
Track page: Old MacDonald (Freestyle) · Machine-readable JSON-LD