Speak Low

Recording by João Donato.

Recording identifiers

ISRC
BRDEP0700013
CopyrightID (CopyrightChains transaction hash)
0xe3d19950f68d38edbe6027f4cad9390130d10cf67c8f46e459308ecce654c0e7
Copyright registration time
2026-06-21T15:42:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:e8b41553090122fe53728118dcda2ab055edb0d626a22f6c20c4c149ae201c3c

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.