Tanken

Recording by Dietmar Wischmeyer.

Recording identifiers

ISRC
DED430092200
CopyrightID (CopyrightChains transaction hash)
0x8a45d10f1fd2b2ede43112aec5fc1a42431ed1f606bfbb0dc6fc0dd7418a245f
Copyright registration time
2026-07-29T17:09:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:1063d487f0afdcd1d1768f66822328f3b83fe0c07e9b1d6b15c3ffb4674185df

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.