ISRC HKA610400321
Verified recording
HKA610400321 is “Why ?!” by Leslie Cheung,
registered on the CopyrightChains blockchain with CopyrightID
0x5a5c55393815f54e0f361412262239327950a0d490b54a5b79c3ee887723559a 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/HKA610400321.
Recording identifiers
- ISRC
- HKA610400321
- Title
- Why ?!
- Artist
- Leslie Cheung
- CopyrightID (CopyrightChains transaction hash)
0x5a5c55393815f54e0f361412262239327950a0d490b54a5b79c3ee887723559a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:7de1375be8b1f33da1a5fb4483c1e7f2bec212cb8780e200b648780da7e1be34- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKA610400321
- Bitcoin block existence check
- https://blockstream.info/api/block/956304