Espuma

Recording by Karl Neudert.

Recording identifiers

ISRC
QZK6J2005098
CopyrightID (CopyrightChains transaction hash)
0x5eca9e9e10d588bfea4ea2931c7e7844237a08624d21287c1b1a7584a8a8de1d
Copyright registration time
2026-06-10T10:18:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:260521935c4f70dc811e973f47de680bd7564314ca468a3f7804f449a57081ff

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.