Symphony No. 2 in E Minor: IV. Langsam

Recording by Wilhelm Furtwängler.

Recording identifiers

ISRC
GBLWD2504504
CopyrightID (CopyrightChains transaction hash)
0x83e06ee738bf9f2acb3e6c44cb96a7611e2549079821f6b569a409c1dbc26bf9
Copyright registration time
2026-07-30T03:23:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T03:35:13Z
Bitcoin block
960203
Canonical record hash
sha256:068083525af7cb72bbd2a7aae67c630f1ce1ba2795885d1b829a6d94f1a6ee8a

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.