Piano Piece in D Minor (c. 1884)

Recording by Sergei Rachmaninoff.

Recording identifiers

ISRC
GBAJY8719806
CopyrightID (CopyrightChains transaction hash)
0x47e83f200e5709a167f6b2c1662d1ba2e2450508e122b8a08b5698f8c141bfd7
Copyright registration time
2026-06-10T14:06:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:cbb3d887f1e774f47f14203734680afa32ce7d016b441a82d744f9dc9d6bf942

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.