ISRC HKD049800018
Verified recording
HKD049800018 is “知己，自己” by Ekin Cheng,
registered on the CopyrightChains blockchain with CopyrightID
0x40ea49920975c3c230eb04e15c30a340b274b185326c007148190f971e77b65c and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKD049800018.
Recording identifiers
- ISRC
- HKD049800018
- Title
- 知己，自己
- Artist
- Ekin Cheng
- CopyrightID (CopyrightChains transaction hash)
0x40ea49920975c3c230eb04e15c30a340b274b185326c007148190f971e77b65c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:ddea1b5c71be9673bedb94e9b5bed143c878de59dd474f9e6f3aeec7124c6a57- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKD049800018
- Bitcoin block existence check
- https://blockstream.info/api/block/953520