Прощай

Recording by Iostra.

Recording identifiers

ISRC
QZHZ42186906
CopyrightID (CopyrightChains transaction hash)
0xce8870e4dc5e770428706261ecdb208aebf4535e7ffe8a032e435409866f70a5
Copyright registration time
2026-07-30T22:41:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T00:26:26Z
Bitcoin block
960327
Canonical record hash
sha256:8f426c4348f686310ae654649b2594eb5fa3c4aea518b79fb0893fe1a6ebb9d8

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.