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

Recording by Johannes Brahms.

Recording identifiers

ISRC
DEN962203321
CopyrightID (CopyrightChains transaction hash)
0x13966e47c4d0ed38aa8e0cdd8c4df1c136f031996e807e15df8a24f23c55ebec
Copyright registration time
2026-07-06T06:44:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:c2f1781eb2dc2f713d05aa9a479e3b85ea361da75eafe334f57277946888a20d

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.