ISRC QZFZ72205264
Verified recording
QZFZ72205264 is “Of Course” by osmkapo,
registered on the CopyrightChains blockchain with CopyrightID
0xd8f69da5538642ba61312566eb3a8fc7edcf15e3a3f0ccad1b0fd84d6a738ab4 and independently timestamped
in Bitcoin block 960254 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ72205264.
Recording identifiers
- ISRC
- QZFZ72205264
- Title
- Of Course
- Artist
- osmkapo
- CopyrightID (CopyrightChains transaction hash)
0xd8f69da5538642ba61312566eb3a8fc7edcf15e3a3f0ccad1b0fd84d6a738ab4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T12:06:10+00:00
- Bitcoin block
- 960254
- Canonical record hash
sha256:c8360aff2e3c72fcdd9c20e953c252ff78f1bfaecf35de7bc04a970eef2afb32- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ72205264
- Bitcoin block existence check
- https://blockstream.info/api/block/960254