ISRC QZF452012129
Verified recording
QZF452012129 is “Sandbox” by Park Sejun,
registered on the CopyrightChains blockchain with CopyrightID
0xe8b868d780eb559e6237af576b71f9e918a81f14447e666bc28c8afe386239e0 and independently timestamped
in Bitcoin block 960113 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZF452012129.
Recording identifiers
- ISRC
- QZF452012129
- Title
- Sandbox
- Artist
- Park Sejun
- CopyrightID (CopyrightChains transaction hash)
0xe8b868d780eb559e6237af576b71f9e918a81f14447e666bc28c8afe386239e0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T13:38:16+00:00
- Bitcoin block
- 960113
- Canonical record hash
sha256:65fa10d70def9f86e87954049f2ec0d67d231baed53378bd328baa793131fc4e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZF452012129
- Bitcoin block existence check
- https://blockstream.info/api/block/960113