Song of the Volga Boatmen

Recording by Igor Tuhmanov.

Recording identifiers

ISRC
DEB639420718
CopyrightID (CopyrightChains transaction hash)
0x25f11dede587bd2fd3812696772d06f6e52a8e3070ee524d150a7560010d3edf
Copyright registration time
2026-07-31T00:33:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T02:19:15Z
Bitcoin block
960334
Canonical record hash
sha256:19e09fd076eab7fe01cb00c68a15a7a33aa70b17ee71120d797a86ca87d99678

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.