Symphony No. 2 in B minor: 1. Allegro

Recording by Alexander Borodin.

Recording identifiers

ISRC
NLA508327410
CopyrightID (CopyrightChains transaction hash)
0x900a491413efa9da6a0e96b4354bee9aae9d199052525075301f6bd62f40054a
Copyright registration time
2026-07-06T23:17:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:cc31062e8bfb750547765e00149b10427b69ff2028e7d9a06df38bc5a40be115

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.