Piece in den Socken

Recording by Büro21.

Recording identifiers

ISRC
QMDA72475982
CopyrightID (CopyrightChains transaction hash)
0x5a79acc6ab5aac285839b07004a297de0cd2b50944763f2fcac923baf3939dc3
Copyright registration time
2026-07-07T13:49:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:5c15a8dcb569e436e8e64432fe659aa61e635a6b57d040c5ce0b44bd5271250d

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.