ISRC QZDA72110907

Verified recording

QZDA72110907 is “I Don't Know” by Matthew Tuck, registered on the CopyrightChains blockchain with CopyrightID 0xd247349c3239d7323865a70005b7a4f2b89eecc0594d49f9527dd72439b4a013 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/QZDA72110907.

Recording identifiers

ISRC
QZDA72110907
Title
I Don't Know
Artist
Matthew Tuck
CopyrightID (CopyrightChains transaction hash)
0xd247349c3239d7323865a70005b7a4f2b89eecc0594d49f9527dd72439b4a013

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19+00:00
Bitcoin block
957118
Canonical record hash
sha256:8c21d23f66b5a27cd323ee6763e7f77011b6b23d3cc1e72a6f6a915c1c7969ea
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA72110907
Bitcoin block existence check
https://blockstream.info/api/block/957118

Full record

Track page: I Don't Know · Machine-readable JSON-LD