Lacrimosa

Recording by Krzysztof Penderecki.

Recording identifiers

ISRC
PLA160440203
CopyrightID (CopyrightChains transaction hash)
0x5085902a8a321fc88caa76f23d4a29ef29ff2fe90202c7a1a7327e9fec67ad4d
Copyright registration time
2026-07-30T22:13:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T00:26:26Z
Bitcoin block
960327
Canonical record hash
sha256:20bb522b75ebcdf8ffb6c628828a8d0ad056895c4383c264d8ac1497928d7b73

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.