Symphony No. 2 in D, Op. 73: 1. Allegro non troppo

Recording by Johannes Brahms.

Recording identifiers

ISRC
DEF059503331
CopyrightID (CopyrightChains transaction hash)
0x79ec66de23e561152ae6450a7d1088f25571036dce4e24db1e667a431e40d46f
Copyright registration time
2026-07-07T13:10:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:89fd274f8a383fb215dcba8539091448b9fc34fbabf9dccb040eaae622323c1a

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.