Messa da Requiem: II Liber sciptus

Recording by Hungarian State Opera Chorus.

Recording identifiers

ISRC
HKI199713905
CopyrightID (CopyrightChains transaction hash)
0x66bb7d3254864300a76e02cccc7428a0c64e7ca0e384f6ee1aa3be490208054f
Copyright registration time
2026-07-30T15:49:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T16:10:47Z
Bitcoin block
960277
Canonical record hash
sha256:ca47fa0e9235d1216a9e22aa626a26d04dbd9cfe984216dc766f2bb3f51133c6

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.