Por Borracha

Recording by Orlando Contreras.

Recording identifiers

ISRC
US4XG9401590
CopyrightID (CopyrightChains transaction hash)
0xf2afe14f3fef6f735c2511190a18893735a730e4fec3f14bebfced51a5250dfc
Copyright registration time
2026-07-31T08:54:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T09:09:19Z
Bitcoin block
960376
Canonical record hash
sha256:50e588ca10f883b93109f882f20c76f4456bd7030fe9a2065dbc61db761195df

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.