ISRC TWJK12200198
Verified recording
TWJK12200198 is “Sleeper” by CHi 祈老師,
registered on the CopyrightChains blockchain with CopyrightID
0x31502cc0e3e44b9d31690554d4ee41cb61fdf10fe634d01009e7c4c37c4917b8 and independently timestamped
in Bitcoin block 960273 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TWJK12200198.
Recording identifiers
- ISRC
- TWJK12200198
- Title
- Sleeper
- Artist
- CHi 祈老師
- CopyrightID (CopyrightChains transaction hash)
0x31502cc0e3e44b9d31690554d4ee41cb61fdf10fe634d01009e7c4c37c4917b8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T15:42:38+00:00
- Bitcoin block
- 960273
- Canonical record hash
sha256:0b24c5dc9755041eef10f50c089ffbbc1a4fe605429b1145a509fd2b580b7309- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TWJK12200198
- Bitcoin block existence check
- https://blockstream.info/api/block/960273