ISRC QZ9Y21797587
Verified recording
QZ9Y21797587 is “Echo” by Mike Posner,
registered on the CopyrightChains blockchain with CopyrightID
0xb99c953a7d562f64034a533908615d8cee5e2475a7f633a619935107f2ac8cba and independently timestamped
in Bitcoin block 960095 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ9Y21797587.
Recording identifiers
- ISRC
- QZ9Y21797587
- Title
- Echo
- Artist
- Mike Posner
- CopyrightID (CopyrightChains transaction hash)
0xb99c953a7d562f64034a533908615d8cee5e2475a7f633a619935107f2ac8cba
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T11:07:37+00:00
- Bitcoin block
- 960095
- Canonical record hash
sha256:053dff99f21389317cdc7cc9af8e92b462a17faff2b220b54034c9905302a1e6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ9Y21797587
- Bitcoin block existence check
- https://blockstream.info/api/block/960095