Martha

Recording by Chucho Valdes Yasser Pino.

Recording identifiers

ISRC
DKBDB1002803
CopyrightID (CopyrightChains transaction hash)
0xe715d5b4eaaf7be325bb866bb410f640b91a8e631c4f15122b81054711f8fe0e
Copyright registration time
2026-07-07T01:50:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:bbf41aed84ae01edb5c3c7167ac80d698760ed5da100561d7b04247099bf9773

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.