ISRC QZNWW2399287
Verified recording
QZNWW2399287 is “Lessons” by Robbs,
registered on the CopyrightChains blockchain with CopyrightID
0x73887b6137ed6a64ccdd5fcd4c1f0a9e18e00c5679e283ef0cf4981676456731 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWW2399287.
Recording identifiers
- ISRC
- QZNWW2399287
- Title
- Lessons
- Artist
- Robbs
- CopyrightID (CopyrightChains transaction hash)
0x73887b6137ed6a64ccdd5fcd4c1f0a9e18e00c5679e283ef0cf4981676456731
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:d7958f6ff5d5e6dd5a41bc4614ed1b4669f5f824d7b7bb5a20df240981bca085- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWW2399287
- Bitcoin block existence check
- https://blockstream.info/api/block/957120