De Que Sirve

Recording by OG Jeffersson.

Recording identifiers

ISRC
TCAIK2402689
CopyrightID (CopyrightChains transaction hash)
0x2e989d56e583f0a9d4003e0b71ae036ca62ebf656de4f34927c12061d417a167
Copyright registration time
2026-06-21T07:29:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:fb3c037c711ff3f8a8e54886752db65e2b437a0093d2abb010bf6e445562ca4b

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.