En sourdine

Recording by Bernarda Fink.

Recording identifiers

ISRC
AU3SE2200192
CopyrightID (CopyrightChains transaction hash)
0xc4f84f6a6c75e4f7739676b56a5c2d266f13d82081d9e042074166a95f85aaf0
Copyright registration time
2026-06-05T17:17:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:015d4d19f8bcb1a8333a656f053e0e5e6180a902e3d3c22758fa26f23d590ae1

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.