Friday

Recording by Hans-Ulrich Pohl.

Recording identifiers

ISRC
DENM12100111
CopyrightID (CopyrightChains transaction hash)
0x26bf0a46236bb7d4334be747bc86ec131f6a492284cd9cb4d257e6e1ddfc7fe1
Copyright registration time
2026-07-06T19:08:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:b0f81211032cb643afbe6258827f72c7c5f36a802e04d14b15f546e06b4cae98

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.