La rosa y el sauce

Recording by Carlos Guastavino.

Recording identifiers

ISRC
DEUM70807347
CopyrightID (CopyrightChains transaction hash)
0xe01effc4d8da6dfca02bcb7805ce00e68f580b0bbc72c2b8a7853c4c788c70d6
Copyright registration time
2026-06-23T07:33:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:f63b66aba704cb6b41e87d9d48dad7efc19a6d829cbbb48e12484a05a4c38e06

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.