Willisabethan Sarahnade: The "P" Duet

Recording by Klaus Wallendorf.

Recording identifiers

ISRC
FR50X2073211
CopyrightID (CopyrightChains transaction hash)
0xe506a52f2c02592e3300862b6348e90eaa3982781bb8ac7b314bc2cd936fff46
Copyright registration time
2026-07-06T02:53:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:fb25be250303613b012a78da619123f34749d05873cf7b6210310c16c78d6344

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.