Klavierkonzert No. 2 in B Major, Op. 83: I. -

Recording by Johannes Brahms.

Recording identifiers

ISRC
DEAD60000205
CopyrightID (CopyrightChains transaction hash)
0x6d219deb9a48edcb3cf0b74107a8a9b02ec59aeb512753d70ecd315c29d15e20
Copyright registration time
2026-07-29T10:09:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T11:07:37Z
Bitcoin block
960095
Canonical record hash
sha256:0ed080be7dad1f310de790a3759a419a1432e89b334d007c7815000c87bca30d

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.