ISRC TWK012400007

Verified recording

TWK012400007 is “有多難? (How Hard)” by VH (Vast & Hazy), registered on the CopyrightChains blockchain with CopyrightID 0x87436b18230b9865adb8ceaafef0c4bcec60cc30d4cdb13b43044ac0ef410247 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/TWK012400007.

Recording identifiers

ISRC
TWK012400007
Title
有多難? (How Hard)
Artist
VH (Vast & Hazy)
CopyrightID (CopyrightChains transaction hash)
0x87436b18230b9865adb8ceaafef0c4bcec60cc30d4cdb13b43044ac0ef410247

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09+00:00
Bitcoin block
953520
Canonical record hash
sha256:7663796eeb6fdbe6daf5c0304418074eb8704d4fc2788b4d73c9ea7e8d1f396b
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TWK012400007
Bitcoin block existence check
https://blockstream.info/api/block/953520

Full record

Track page: 有多難? (How Hard) · Machine-readable JSON-LD