Gruss an Thüringen

Recording by Hermann Ludwig Blankenburg.

Recording identifiers

ISRC
CH6540865684
CopyrightID (CopyrightChains transaction hash)
0x28d3372b41bda45f06d990ea0a45c32c672a3068cb8db97203ce7de9b7f091d3
Copyright registration time
2026-07-31T18:14:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T18:48:12Z
Bitcoin block
960448
Canonical record hash
sha256:bed86ebcfa8ae6d27a4fdc3021ec06a1eda14aed238109e40bf29261b52cbfb3

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.