ISRC QZW9L2347822
Verified recording
QZW9L2347822 is “Selling Out” by Tom Lehrer,
registered on the CopyrightChains blockchain with CopyrightID
0x5c0c68c61a6f7a72c85ae5445cd3ddd57aa36f834082acb9df2361ad3ba9d3a4 and independently timestamped
in Bitcoin block 960236 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZW9L2347822.
Recording identifiers
- ISRC
- QZW9L2347822
- Title
- Selling Out
- Artist
- Tom Lehrer
- CopyrightID (CopyrightChains transaction hash)
0x5c0c68c61a6f7a72c85ae5445cd3ddd57aa36f834082acb9df2361ad3ba9d3a4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T09:37:10+00:00
- Bitcoin block
- 960236
- Canonical record hash
sha256:73f595c5f0a25179ec486727fffdb8b0d8eafe6d186b701725c63a042abf3337- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZW9L2347822
- Bitcoin block existence check
- https://blockstream.info/api/block/960236