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

Recording by Johannes Brahms.

Recording identifiers

ISRC
GBDGQ1223601
CopyrightID (CopyrightChains transaction hash)
0x0ecc9ee611b6844efdaf201d5c1e1522b826e7469af71bf23f7bfa87e04e6cd3
Copyright registration time
2026-07-06T07:33:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:50:38Z
Bitcoin block
957075
Canonical record hash
sha256:dda3f9b809ac27ac033379ba3332d7529cdf4c77c13518a61d541d40259458af

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.