ISRC USBC17900169

Verified recording

USBC17900169 is “Johanna” by Stephen Sondheim, registered on the CopyrightChains blockchain with CopyrightID 0x32edce35fa2f62b5f40a2f5f62dbcd15d91e66b1cc42d56da0f4c2ea55c00932 and independently timestamped in Bitcoin block 953528 on 2026-06-13. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC17900169.

Recording identifiers

ISRC
USBC17900169
Title
Johanna
Artist
Stephen Sondheim
CopyrightID (CopyrightChains transaction hash)
0x32edce35fa2f62b5f40a2f5f62dbcd15d91e66b1cc42d56da0f4c2ea55c00932

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10+00:00
Bitcoin block
953528
Canonical record hash
sha256:e53c832afb0ed773b67d9ed8ded2aacd14191847ecac78e0f219cfc97d207af2
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC17900169
Bitcoin block existence check
https://blockstream.info/api/block/953528

Full record

Track page: Johanna · Machine-readable JSON-LD