Ofrenda

Recording by Pedro Guerra.

Recording identifiers

ISRC
ES5021300189
CopyrightID (CopyrightChains transaction hash)
0xc56b8bf8e01199ffa9bd11dfb11e53b7ce58b8811cb193b9c3268dac547678b3
Copyright registration time
2026-06-26T19:46:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T11:38:34Z
Bitcoin block
956351
Canonical record hash
sha256:3051c7bd87c532c67aa45faece5879f5217b726f4bf6bc75d2434ce8ebdf9b6f

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.