ISRC QZ9Y21797578
Verified recording
QZ9Y21797578 is “21 Days” by Mike Posner,
registered on the CopyrightChains blockchain with CopyrightID
0x059f7e1cc5cc1f98c14e5389d0558faadd9c62455fbcbba84a8e77e876506be5 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ9Y21797578.
Recording identifiers
- ISRC
- QZ9Y21797578
- Title
- 21 Days
- Artist
- Mike Posner
- CopyrightID (CopyrightChains transaction hash)
0x059f7e1cc5cc1f98c14e5389d0558faadd9c62455fbcbba84a8e77e876506be5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:3269a7fbf02ad652e1ef683a5592bef6f7ccce726ec6799c68a073aee1f9f3f1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ9Y21797578
- Bitcoin block existence check
- https://blockstream.info/api/block/956304