Sorry - Tut Mir Leid

Recording by Petra Frey.

Recording identifiers

ISRC
DEA609700055
CopyrightID (CopyrightChains transaction hash)
0x92b2c4c652a5943b52dd356b37fbf79320b4f0f099501806f6688163bde9ecff
Copyright registration time
2026-07-07T22:39:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:113fedd1770ffb960d7551f11d42be4dfdc00d6a45470c6614c4c22810bb499e

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.