Sing Not to Me, Beautiful Maiden, Lied Op. 4, No. 4

Recording by Sergei Rachmaninoff.

Recording identifiers

ISRC
TR0331501632
CopyrightID (CopyrightChains transaction hash)
0x45b2d956f01070039f80c5a7dbdc544c81f05d54e6c3d6efe82e7e4549dd2ba2
Copyright registration time
2026-07-07T11:54:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:152f8f2ec787735ef0c66ad2e57efafe631e8cb1d482d9c9eeed42e79f0f529c

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.