El R5

Recording by Martin Castillo.

Recording identifiers

ISRC
QM6DC1536533
CopyrightID (CopyrightChains transaction hash)
0x89dae12d26978af9c3203168407107c13703b4f53f60b59d2550d4801f703d13
Copyright registration time
2026-06-27T08:16:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:a81708512ea11fb206d5377fa2f98d70e879a5458d8f760ce4842569d30c4a87

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.