ISRC HKUM72300437
Verified recording
HKUM72300437 is “Joy Boy” by Marco 葉振弘,
registered on the CopyrightChains blockchain with CopyrightID
0x4a087112dc4131b2a26750efd59a0ee059dc6bad792b49b50c0c61759f60d162 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/HKUM72300437.
Recording identifiers
- ISRC
- HKUM72300437
- Title
- Joy Boy
- Artist
- Marco 葉振弘
- CopyrightID (CopyrightChains transaction hash)
0x4a087112dc4131b2a26750efd59a0ee059dc6bad792b49b50c0c61759f60d162
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:46c6d1b18bbbe225926e126b44141a97be2531b0d1ba001d5b552a3ef0fbbafe- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKUM72300437
- Bitcoin block existence check
- https://blockstream.info/api/block/956304