Missa a cappella: I. Kyrie

Recording by Einojuhani Rautavaara.

Recording identifiers

ISRC
FINDE1300049
CopyrightID (CopyrightChains transaction hash)
0x1fd63161cce46f01c569f0f360ea52cc1c5e4639a4385827d9385309f114b5cc
Copyright registration time
2026-06-18T03:02:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:db48db4550d36e443bc83d74f3ffb5552fd486c3e876485e221f712c2c7d5de8

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.