ISRC QZFYW2174010
Verified recording
QZFYW2174010 is “Vacant Heart” by Nuk,
registered on the CopyrightChains blockchain with CopyrightID
0x86038762d73211f365b7329265ec25c325cf1fda1c0d6a01ae088f450e261943 and independently timestamped
in Bitcoin block 960121 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFYW2174010.
Recording identifiers
- ISRC
- QZFYW2174010
- Title
- Vacant Heart
- Artist
- Nuk
- CopyrightID (CopyrightChains transaction hash)
0x86038762d73211f365b7329265ec25c325cf1fda1c0d6a01ae088f450e261943
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T15:22:21+00:00
- Bitcoin block
- 960121
- Canonical record hash
sha256:a11fcd72471b87d72f00abedd84b3beb96891296d0954c0a445a2c49b942d23b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFYW2174010
- Bitcoin block existence check
- https://blockstream.info/api/block/960121