Sin Egoismo

Recording by Orlando Contreras.

Recording identifiers

ISRC
USHM91727484
CopyrightID (CopyrightChains transaction hash)
0xbd98b0f6074575ea99ed3f34a394338739a59038c771c6f39e0853f960dcb7f8
Copyright registration time
2026-06-09T13:46:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:a4ba2f2d5387c176c1c40ca79fc4955a53ddf138ebac6e7a3ac5189581ae41d5

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.