Lachen und weinen

Recording by Leonard.

Recording identifiers

ISRC
DEA762100602
CopyrightID (CopyrightChains transaction hash)
0x27e2b5c6fe09891f69e063339d107216e1b40ab590131fb8340e55bcee5d01f1
Copyright registration time
2026-06-22T06:31:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:c91261efd1ecc8ba9118166652373f6e4598ea8be3f777db2f3703608bb1c142

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.