Busy Bertie

Recording by Gerhard Groitzsch.

Recording identifiers

ISRC
QMGXA1418561
CopyrightID (CopyrightChains transaction hash)
0x428d7aab902a386bb2b2939d438eaadd54e3c3f161e03f454ce0c50594831675
Copyright registration time
2026-06-24T15:58:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:309ae2010d5b4a03c31527bd7a8b9a12bd4d7c5785cd90e4920871004195d12b

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.