Requiem: 9. Hostias

Recording by Alfred Schnittke.

Recording identifiers

ISRC
RUAAX2201349
CopyrightID (CopyrightChains transaction hash)
0xcf47857af39c823010505168aa4dcd7b8c66c8f9e849e5932bd6d911c0376d2a
Copyright registration time
2026-07-07T02:46:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:804614e96b8f43e4034ca69c366e5445859b3459e5d3eb32f04d422a1751affc

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.