ISRC GBGQH1913536
Verified recording
GBGQH1913536 is “In Old Mexico” by Tom Lehrer,
registered on the CopyrightChains blockchain with CopyrightID
0x4af45cebcf781844457147311b1f0b5d7ffa13dfc248f7beac5ef7ed0b33899e and independently timestamped
in Bitcoin block 959128 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBGQH1913536.
Recording identifiers
- ISRC
- GBGQH1913536
- Title
- In Old Mexico
- Artist
- Tom Lehrer
- CopyrightID (CopyrightChains transaction hash)
0x4af45cebcf781844457147311b1f0b5d7ffa13dfc248f7beac5ef7ed0b33899e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T12:33:25+00:00
- Bitcoin block
- 959128
- Canonical record hash
sha256:98059a70461e848f65b9271e16825d7d5792e65abb8219fdf4140ce67dd80be7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBGQH1913536
- Bitcoin block existence check
- https://blockstream.info/api/block/959128