Thursday

Recording by Hans-Ulrich Pohl.

Recording identifiers

ISRC
DENM12100110
CopyrightID (CopyrightChains transaction hash)
0x4b66f1a12143430393f75dfa7f50ad948bc89dc85268dd72371834e2a9e57a0b
Copyright registration time
2026-07-29T14:31:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T15:22:21Z
Bitcoin block
960121
Canonical record hash
sha256:e2acae4b5e36632826dcd1156a662f155dfdf5a6a2b0441d7d7b0f244bdc46be

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.