ISRC QZF452012142
Verified recording
QZF452012142 is “Time To Write A Letter To Dalmi” by Park Sejun,
registered on the CopyrightChains blockchain with CopyrightID
0xf0fae5b36b1f37076729ec14dd3d29913f353c53de2007277ffb59eefa3edb7c and independently timestamped
in Bitcoin block 960264 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZF452012142.
Recording identifiers
- ISRC
- QZF452012142
- Title
- Time To Write A Letter To Dalmi
- Artist
- Park Sejun
- CopyrightID (CopyrightChains transaction hash)
0xf0fae5b36b1f37076729ec14dd3d29913f353c53de2007277ffb59eefa3edb7c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T14:36:16+00:00
- Bitcoin block
- 960264
- Canonical record hash
sha256:5f96a4f2c842202173f988276dce675049fb32d3d841676e5e909d9243aeb454- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZF452012142
- Bitcoin block existence check
- https://blockstream.info/api/block/960264
Full record
Track page: Time To Write A Letter To Dalmi · Machine-readable JSON-LD