Johanna

Recording by Stephen Sondheim.

Recording identifiers

ISRC
USBC17900169
CopyrightID (CopyrightChains transaction hash)
0x32edce35fa2f62b5f40a2f5f62dbcd15d91e66b1cc42d56da0f4c2ea55c00932
Copyright registration time
2026-06-07T01:03:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:e53c832afb0ed773b67d9ed8ded2aacd14191847ecac78e0f219cfc97d207af2

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.