Symphony No. 2 in B minor: 3. Andante

Recording by Alexander Borodin.

Recording identifiers

ISRC
NLA508327412
CopyrightID (CopyrightChains transaction hash)
0xdc52e581ab3ebbca47e9758cd6f3b2ad1363043576ec88da1d7da3d26c013722
Copyright registration time
2026-07-07T11:20:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:c5eef294a9a08767930f59c48191aba713651f21d35764fd0003dbb8820885b2

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.