Sin Llorar

Recording by Madre Matilda.

Recording identifiers

ISRC
PEMG91388002
CopyrightID (CopyrightChains transaction hash)
0xcea5cad5b85d0263a203d1aa37914b46e328141a0924397ed8e5ed02182dc591
Copyright registration time
2026-06-24T16:57:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:ef7a2207cfa35c6bce77ea824117a92ec6e8453079f7f492e20bf64cb7dc28f8

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.