Oboe Concerto No. 1 in D Minor: II. Grazioso

Recording by Ludwig August Lebrun.

Recording identifiers

ISRC
NLA460610077
CopyrightID (CopyrightChains transaction hash)
0x3e883e6036bee2ad998371821a5a0ca7a21869aa64f0942c7366e6b007ee04a5
Copyright registration time
2026-07-22T12:04:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-22T12:33:25Z
Bitcoin block
959128
Canonical record hash
sha256:7d58cfb3daf119ec6471f60c6b42358d14f158447d725cdadc11839db0b97b22

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.