ISRC GBGQH1913524
Verified recording
GBGQH1913524 is “Lobachevsky” by Tom Lehrer,
registered on the CopyrightChains blockchain with CopyrightID
0x41f0cad97d2c6c42ed05e98dc517e11f894116c605ef0c7533a1802ca6e65a08 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBGQH1913524.
Recording identifiers
- ISRC
- GBGQH1913524
- Title
- Lobachevsky
- Artist
- Tom Lehrer
- CopyrightID (CopyrightChains transaction hash)
0x41f0cad97d2c6c42ed05e98dc517e11f894116c605ef0c7533a1802ca6e65a08
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:e8d0527063ed6598e0ba601dd295e11df98b9b5de56a24cbef8cd94c8d5c3853- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBGQH1913524
- Bitcoin block existence check
- https://blockstream.info/api/block/953520