A Que No

Recording by María Martha Serra Lima.

Recording identifiers

ISRC
ARF109500142
CopyrightID (CopyrightChains transaction hash)
0x7d74c95a62c7c50979753a7d7a9949f3ea504ba371527549dec0c002c040ac9e
Copyright registration time
2026-07-07T07:03:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:e23830b7022637c237c9929e627a5554eb183adbb59239128316764ca65cb4f4

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.