Songs, Op. 34: Vocalise, No. 14

Recording by Sergei Rachmaninoff.

Recording identifiers

ISRC
USBC19606405
CopyrightID (CopyrightChains transaction hash)
0x4f129f3d677934fc58046f636c8309244519edf66c3a5bccffd0f9e66049c5a8
Copyright registration time
2026-07-30T18:35:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T18:46:00Z
Bitcoin block
960294
Canonical record hash
sha256:9e29069bff28526f66f9e695e1b9f50a41d32a13a20888c561fc7f70536759d8

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.