Un Grito de Ayer

Recording by Magdalena Matthey.

Recording identifiers

ISRC
ES71G1614302
CopyrightID (CopyrightChains transaction hash)
0x887b507a09b5723449065fbd0039b367e1cd25cf984448be95df8e3c34d08e1b
Copyright registration time
2026-07-07T09:12:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:7d3097f687ccbd65693081b03b9fc48edff486f53703d46b3d15a65087116805

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.