Six Songs, Op. 38: 5. Son

Recording by Sergei Rachmaninoff.

Recording identifiers

ISRC
GBF077442008
CopyrightID (CopyrightChains transaction hash)
0xfcffe6bc3e14d6c4d08e73144955f975d238dce1d80d92c9050b6fc1856d2410
Copyright registration time
2026-07-07T12:57:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:09adecf8444a8f2f78ec5f9176e78434536ad7129a3fa7e2c5e8feaa611d0d27

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.