Agony / Waltz

Recording by Alfred Schnittke.

Recording identifiers

ISRC
ZZOPM2118960
CopyrightID (CopyrightChains transaction hash)
0xb930915d3fb3532199eaa6713d501b630e5473272d417420e5e86f4059870fa0
Copyright registration time
2026-06-18T18:01:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:c0e3f004806955d76bc800201b6fd17fcec35cc3a6e0c8f8ef04255b3fa08382

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.