ISRC DGA0R2309253
Verified recording
DGA0R2309253 is “New Math” by Tom Lehrer,
registered on the CopyrightChains blockchain with CopyrightID
0x429ffaa02b26f41b6c91382432cf06b82c2ed72dd1ea09a7fab264a2bfc2b5b3 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/DGA0R2309253.
Recording identifiers
- ISRC
- DGA0R2309253
- Title
- New Math
- Artist
- Tom Lehrer
- CopyrightID (CopyrightChains transaction hash)
0x429ffaa02b26f41b6c91382432cf06b82c2ed72dd1ea09a7fab264a2bfc2b5b3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:0992b3d78a46416a6f2b1656c352bc7e4cd6a7fc794d8915a2bcf18e517b82f0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DGA0R2309253
- Bitcoin block existence check
- https://blockstream.info/api/block/956304