Letzter Kampf - From "Winnetou II"

Recording by Martin Böttcher.

Recording identifiers

ISRC
DEF066414460
CopyrightID (CopyrightChains transaction hash)
0x4a27b3ecc31f2c0fed6060ddf26d3ebe88723f3fdee1f39e093f04a99d9f6ec5
Copyright registration time
2026-07-31T20:51:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T21:25:57Z
Bitcoin block
960468
Canonical record hash
sha256:d7207c181aaa8489af88ff19271cf22b1ef130fed6d16fcbbc7b273cfa96ccc5

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.