Piano Quintet in C Minor: I. Andante

Recording by Alexander Borodin.

Recording identifiers

ISRC
GBF076812991
CopyrightID (CopyrightChains transaction hash)
0xde19fc2b0e988e0237cc8bb1026653c409b80a3110b2cf80bd73c1b147fa991b
Copyright registration time
2026-07-07T16:31:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:7b5e37fd6982aab147ebca1915db2419e176b76437fcfe35859ca7d7433018bc

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.