9 de Mayo

Recording by Gustavo Osorio.

Recording identifiers

ISRC
US7VG1754124
CopyrightID (CopyrightChains transaction hash)
0x0e1a946d4cfe50f5337599abceb6d785fcec5fdaa2c82431f0d28b6ac6e65d2e
Copyright registration time
2026-07-06T06:47:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:8fe48d02fb9d4e1b52217b1ae396a5536f517e3d23f6da98c472badddab8bdf6

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.