Martha: Ouvertüre

Recording by Friedrich von Flotow.

Recording identifiers

ISRC
DES380006448
CopyrightID (CopyrightChains transaction hash)
0x2ae4cba86af6498e620744e67ef24ec2ddd7395162ee1351b8dd3edb43cdc75f
Copyright registration time
2026-07-07T11:44:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:6bb9a32453e27b1aefe664e4de97d2e3ecbb047582291d4ed252063401ebcd8a

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.