ISRC UKU6H1941504
Verified recording
UKU6H1941504 is “Lobachecsky” by Tom Lehrer,
registered on the CopyrightChains blockchain with CopyrightID
0xd435775575835c7e1e06fc4466bdf684157d083a4673a211e0540a516b0ecb37 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UKU6H1941504.
Recording identifiers
- ISRC
- UKU6H1941504
- Title
- Lobachecsky
- Artist
- Tom Lehrer
- CopyrightID (CopyrightChains transaction hash)
0xd435775575835c7e1e06fc4466bdf684157d083a4673a211e0540a516b0ecb37
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:5fd8f031920ecdfb90af6b23695c6ca0e6a6d8ff0107821fa834886ffc7799ac- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UKU6H1941504
- Bitcoin block existence check
- https://blockstream.info/api/block/956304