ISRC USNO12000407
Verified recording
USNO12000407 is “Variation 2” by Brad Mehldau,
registered on the CopyrightChains blockchain with CopyrightID
0xef2a411d167b7a5c8ab7c8eb600ee20a4f8c7121ab50b27be11e9f51d417ed0b and independently timestamped
in Bitcoin block 960144 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNO12000407.
Recording identifiers
- ISRC
- USNO12000407
- Title
- Variation 2
- Artist
- Brad Mehldau
- CopyrightID (CopyrightChains transaction hash)
0xef2a411d167b7a5c8ab7c8eb600ee20a4f8c7121ab50b27be11e9f51d417ed0b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:09:47+00:00
- Bitcoin block
- 960144
- Canonical record hash
sha256:e28c504106328b2eddc79bf546309156d391f141667df49d5a6805d40eb628e1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNO12000407
- Bitcoin block existence check
- https://blockstream.info/api/block/960144