Songs, Op. 34: Vocalise, No. 14

Recording by Sergei Rachmaninoff.

Recording identifiers

ISRC
USBC19801927
CopyrightID (CopyrightChains transaction hash)
0x8c10b1f3656327243d93ea32cf1a3241d46c59c285f1734fab5619697c6e5917
Copyright registration time
2026-07-31T12:49:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T13:04:34Z
Bitcoin block
960403
Canonical record hash
sha256:5ef29449ac6141c939960912427df13c5c6962c59622132ad0ee35c73387a92c

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.