ISRC QZW9K2341060
Verified recording
QZW9K2341060 is “Introduction” by Tom Lehrer,
registered on the CopyrightChains blockchain with CopyrightID
0x4d608522f6f101418a282fd005d51c01f5d1f270fd0054003a0b82dd4bbe1710 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/QZW9K2341060.
Recording identifiers
- ISRC
- QZW9K2341060
- Title
- Introduction
- Artist
- Tom Lehrer
- CopyrightID (CopyrightChains transaction hash)
0x4d608522f6f101418a282fd005d51c01f5d1f270fd0054003a0b82dd4bbe1710
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T09:37:10+00:00
- Bitcoin block
- 960236
- Canonical record hash
sha256:cd42351b19ec0b954dc0c99fae343503549ea17213a61523896309bd9acf7dca- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZW9K2341060
- Bitcoin block existence check
- https://blockstream.info/api/block/960236