ISRC QZJ842401367
Verified recording
QZJ842401367 is “Problem” by COIN,
registered on the CopyrightChains blockchain with CopyrightID
0x66a79d0e7bf5429bd06c6bfc31d810f5d5e43cd92d30f072191fbc0143406e25 and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZJ842401367.
Recording identifiers
- ISRC
- QZJ842401367
- Title
- Problem
- Artist
- COIN
- CopyrightID (CopyrightChains transaction hash)
0x66a79d0e7bf5429bd06c6bfc31d810f5d5e43cd92d30f072191fbc0143406e25
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:05e6b906396a2dfc7a9a93e826a824ef05391d771574836308afa60ce45f8652- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZJ842401367
- Bitcoin block existence check
- https://blockstream.info/api/block/953513