ISRC FRX872155402
Verified recording
FRX872155402 is “双面” by 李琦,
registered on the CopyrightChains blockchain with CopyrightID
0xc5d362c266f36bde17252bd3c07f3586328dd1ce92fa5abd853f75a63e555e4f and independently timestamped
in Bitcoin block 960368 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX872155402.
Recording identifiers
- ISRC
- FRX872155402
- Title
- 双面
- Artist
- 李琦
- CopyrightID (CopyrightChains transaction hash)
0xc5d362c266f36bde17252bd3c07f3586328dd1ce92fa5abd853f75a63e555e4f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T08:26:41+00:00
- Bitcoin block
- 960368
- Canonical record hash
sha256:c38e78294a6c9a264140a4ebd798b9d26a75bbb951d4462c93eab93d5863a1e4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX872155402
- Bitcoin block existence check
- https://blockstream.info/api/block/960368