Vocalise, Op. 34, No. 14

Recording by Sergei Rachmaninoff.

Recording identifiers

ISRC
NLA509509708
CopyrightID (CopyrightChains transaction hash)
0xea64b30e2ff8ba75aa2fda107c1002d85196482389f38b806f838b0d8ff97b9d
Copyright registration time
2026-06-20T08:07:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:f4763d397a17e24f33cd52228e9bd0970dbbf927548240133c61adbaab3d73db

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.