Carta Numero 3

Recording by El Tigrillo Palma.

Recording identifiers

ISRC
QMFMF2009847
CopyrightID (CopyrightChains transaction hash)
0xd61167fcda698f4d7d5767b376489b5700c0cbb61bb506cfc3736a99f288729b
Copyright registration time
2026-07-30T16:25:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T17:23:26Z
Bitcoin block
960284
Canonical record hash
sha256:c8e6f722fa93558ca9ece6bcca49ffc9a90d01266cbf808a9514e41a2f1ef454

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.