Calm

Recording by Hans-Ulrich Pohl.

Recording identifiers

ISRC
DENM12100161
CopyrightID (CopyrightChains transaction hash)
0x13964b5f7e3ce1d1fbe7908011598a3ee7cf5147c4c75f442a4b1b77362cbdcd
Copyright registration time
2026-06-21T12:17:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:921c79221dccddcec3288d3f478087268972d870a83e28918472c890d1cbbe36

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.