ISRC QZW9L2347823
Verified recording
QZW9L2347823 is “Who’s Next” by Tom Lehrer,
registered on the CopyrightChains blockchain with CopyrightID
0xfdacf5e21281592e415a4dcbc83753014c621234bc2aa03a3b8482dd07f9cf6d and independently timestamped
in Bitcoin block 960203 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZW9L2347823.
Recording identifiers
- ISRC
- QZW9L2347823
- Title
- Who’s Next
- Artist
- Tom Lehrer
- CopyrightID (CopyrightChains transaction hash)
0xfdacf5e21281592e415a4dcbc83753014c621234bc2aa03a3b8482dd07f9cf6d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T03:35:13+00:00
- Bitcoin block
- 960203
- Canonical record hash
sha256:af18c26f76af9e387eac3d930879297b1213940522d4cabb3d9c1a4dc0e490ec- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZW9L2347823
- Bitcoin block existence check
- https://blockstream.info/api/block/960203