ISRC US4B90506404
Verified recording
US4B90506404 is “Who?” by Dick Hyman,
registered on the CopyrightChains blockchain with CopyrightID
0x732094b6f3985aa4b0842285e54dd53e1494ff77b3ec0b55036f2f50cbb9cf8e and independently timestamped
in Bitcoin block 960403 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4B90506404.
Recording identifiers
- ISRC
- US4B90506404
- Title
- Who?
- Artist
- Dick Hyman
- CopyrightID (CopyrightChains transaction hash)
0x732094b6f3985aa4b0842285e54dd53e1494ff77b3ec0b55036f2f50cbb9cf8e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T13:04:34+00:00
- Bitcoin block
- 960403
- Canonical record hash
sha256:90f06e99907b595e2044b92f91eeef70bdf14fb0959b4030f3af83e1646539c0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4B90506404
- Bitcoin block existence check
- https://blockstream.info/api/block/960403