Songs, Op. 34: Vocalise, No. 14

Recording by Sergei Rachmaninoff.

Recording identifiers

ISRC
USBC19300163
CopyrightID (CopyrightChains transaction hash)
0x9f698d399368ab39ccdaab24fe7c793d47922f6fe085c583f35476bbd6a9c9d0
Copyright registration time
2026-07-31T23:06:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T23:30:38Z
Bitcoin block
960478
Canonical record hash
sha256:2417d1a1322e8675cb1a9a22563c872af5bc0c2b551a82bcbdeaf734d4082c6d

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.