心は言葉をこえて

Recording by Sergei Rachmaninoff.

Recording identifiers

ISRC
JPSR00103902
CopyrightID (CopyrightChains transaction hash)
0xe8358d94f7a7408d5cc60b130af49293f2dcc08602911b120fe8c18c0c7aff90
Copyright registration time
2026-07-07T06:48:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:d903e383fb41710e4d60d8b039d5d8acbd97aec2ea14391d2d9e6bbf9930cff7

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.