Concerto funèbre for Violin and String Orchestra: I. Introduction (Largo)

Recording by Karl Amadeus Hartmann.

Recording identifiers

ISRC
FR50X1854504
CopyrightID (CopyrightChains transaction hash)
0xf58dbbfe91a6d9d4a29be175effff089919be63642c142304e16c336e5c8015f
Copyright registration time
2026-07-07T03:06:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:b4fab7daad66729637644605f2d8098085bf2641e09c2e4ef96c66866b76d0f7

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.