ISRC HKJ962215413
Verified recording
HKJ962215413 is “No Sad Goodbye” by Willim,
registered on the CopyrightChains blockchain with CopyrightID
0x131adef93571bed8280c82ef6a18e62d09365047a4f6f98f7d28e0d4f53356fc and independently timestamped
in Bitcoin block 960288 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKJ962215413.
Recording identifiers
- ISRC
- HKJ962215413
- Title
- No Sad Goodbye
- Artist
- Willim
- CopyrightID (CopyrightChains transaction hash)
0x131adef93571bed8280c82ef6a18e62d09365047a4f6f98f7d28e0d4f53356fc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T17:41:38+00:00
- Bitcoin block
- 960288
- Canonical record hash
sha256:cf25b9c822a00a9485bdd8488f56d863818c583418c268bc5031ff821d38c4b2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKJ962215413
- Bitcoin block existence check
- https://blockstream.info/api/block/960288