Sin egoísmo - Remastered

Recording by Orlando Contreras.

Recording identifiers

ISRC
ES6601903443
CopyrightID (CopyrightChains transaction hash)
0x8c7156c1f93cead0e581b1b469d9725f2a0d2b90b6bd9be02fb4cc07873e1f4e
Copyright registration time
2026-06-25T06:46:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:afd37bde864421a635253d19cdb4c1f32b99764126b85589ee2c67b03c450929

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.