Symphony No. 2 in B Minor

Recording by Alexander Borodin.

Recording identifiers

ISRC
USX761421508
CopyrightID (CopyrightChains transaction hash)
0x3b4ff1f513890fe1a6b2dd1e21b8c07307aad5f649fdb01b68e7272df6cca646
Copyright registration time
2026-07-07T00:20:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:cb78bacaa0d05cd73fb2adbca969196246ea27bb52d2e2c35111c41ed6b62393

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.