ISRC USB960442105
Verified recording
USB960442105 is “"What Does a Man Do...?"” by Stephen Sondheim,
registered on the CopyrightChains blockchain with CopyrightID
0xf2db5b5b95d8a280cc61699bbd9e779a110ba2fbe5ffba980bc4a694081abd26 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB960442105.
Recording identifiers
- ISRC
- USB960442105
- Title
- "What Does a Man Do...?"
- Artist
- Stephen Sondheim
- CopyrightID (CopyrightChains transaction hash)
0xf2db5b5b95d8a280cc61699bbd9e779a110ba2fbe5ffba980bc4a694081abd26
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:b0272284c40bc7981c505a9b7607f79a9b3dd8f9901677a4e5e19e34a4469f37- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB960442105
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: "What Does a Man Do...?" · Machine-readable JSON-LD