I ha mir Sorge gmacht

Recording by Polo Hofer.

Recording identifiers

ISRC
CH0800382008
CopyrightID (CopyrightChains transaction hash)
0x3ab4c12a456868ea2632d428f43eeea927b98d8bf618c2fa94c3124de4673db3
Copyright registration time
2026-07-07T05:27:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:7f31b5525c0f3f0170cc8afc696ae7e8dea3eb3d722180376353ec7c4230b98a

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.