Songs, Op. 34: No. 14, Vocalise

Recording by Sergei Rachmaninoff.

Recording identifiers

ISRC
USBC19606510
CopyrightID (CopyrightChains transaction hash)
0xbbabe776da26bd06de7f5d0a89aebcb1b7b0d9831f9e25ba3dc4759390b76d15
Copyright registration time
2026-07-30T03:30:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T04:47:22Z
Bitcoin block
960207
Canonical record hash
sha256:bf28ba36075a5cf20ebe13128eb6ecb81ef8e069952a052b781327b936aaf6d8

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.