Porque Negar

Recording by Eugenia Leon.

Recording identifiers

ISRC
MXF119900756
CopyrightID (CopyrightChains transaction hash)
0xf877e49b56d15073b3675f2f483f62e0c815f14c8cb801846ee715eef3850a38
Copyright registration time
2026-07-31T08:26:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T08:38:45Z
Bitcoin block
960370
Canonical record hash
sha256:d1631916864d7adb0106ca5f7bfaa11d805744247e2e9e43ca02171c82c09bc4

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.