Symphony No. 2 in B Minor

Recording by Alexander Borodin.

Recording identifiers

ISRC
USX761421507
CopyrightID (CopyrightChains transaction hash)
0x5052da97a1cb615243cb9ac052c7f211effc56e63e71804f39bde1b762728afa
Copyright registration time
2026-07-06T23:02:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:082234b2215f612beb21379acb2f688ba9534e8453bee0a7c44d10306c5aa743

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.