Retumba

Recording by Peter Metivier.

Recording identifiers

ISRC
GBWUL2307738
CopyrightID (CopyrightChains transaction hash)
0xd0fa29ab6bb96e93073cdbdfcf4b3b5c6c6607aa82f9ee381cfd751801d5313a
Copyright registration time
2026-07-06T06:14:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:eb3945f402c9f5aac2e9e6763d49a809d16ff5d7211fc42bb427630041c66048

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.