ISRC QZK6K2329647
Verified recording
QZK6K2329647 is “Cotton Soft” by John Mackk,
registered on the CopyrightChains blockchain with CopyrightID
0x4b417a14047195f00f639e5dc78ef28e72638eb817aa1bbc5ce817e4f5c41ed3 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6K2329647.
Recording identifiers
- ISRC
- QZK6K2329647
- Title
- Cotton Soft
- Artist
- John Mackk
- CopyrightID (CopyrightChains transaction hash)
0x4b417a14047195f00f639e5dc78ef28e72638eb817aa1bbc5ce817e4f5c41ed3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:e4660877457d5baf2f2547783ce8c119f3d39f7e8753c5defb978e8999e7d491- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6K2329647
- Bitcoin block existence check
- https://blockstream.info/api/block/953520