Echao’ a perder

Recording by Walls.

Recording identifiers

ISRC
ES5152300880
CopyrightID (CopyrightChains transaction hash)
0x2597ea3130f201b673ca427bdb136163127cadbfb94f76b0061455749477ca9a
Copyright registration time
2026-06-05T21:56:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:1e7d9ef78abe66af22c04db4e8d50ccbdf5b83f81a989eb3be98285a4688a8d2

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.