Songs Without Words: Lerchengesang, Op. 70, No. 2

Recording by Johannes Brahms.

Recording identifiers

ISRC
DEF059603950
Release date of the album this recording appears on
1997-01-01
CopyrightID (CopyrightChains transaction hash)
0x8f0030a7128942394fb0c07ab2df1d4cf8a25ea82f0415a60e3aa2e6d227592d
Copyright registration time
2026-07-06T23:50:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:6c181766f08c87ac706522de5b9d30e2b5b3714e9ba89f1b866f7249e978dc68

What this proof establishes

This recording was released in 1997, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.