ISRC QZHN72082390
Verified recording
QZHN72082390 is “Old Is Cool” by Zargon,
registered on the CopyrightChains blockchain with CopyrightID
0x564c4ae2df8d70840b4f764a60e9409970dfbd30c302df8026c61275c28f3330 and independently timestamped
in Bitcoin block 960376 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN72082390.
Recording identifiers
- ISRC
- QZHN72082390
- Title
- Old Is Cool
- Artist
- Zargon
- CopyrightID (CopyrightChains transaction hash)
0x564c4ae2df8d70840b4f764a60e9409970dfbd30c302df8026c61275c28f3330
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T09:09:19+00:00
- Bitcoin block
- 960376
- Canonical record hash
sha256:f2b69c319a81aeb73ed1186542f4466e1e34566519f06a0773ef8d8346d2d679- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN72082390
- Bitcoin block existence check
- https://blockstream.info/api/block/960376