La Séptima

Recording by SOFI B.

Recording identifiers

ISRC
QZTB32376977
CopyrightID (CopyrightChains transaction hash)
0xf8c8ad7d8e34a91e951e6d8b3489cea9d4600749e1541fa7c0b07203f82597dd
Copyright registration time
2026-07-06T22:13:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:48aae73fae298a021161e1286912b98e4855a2b41e425838b6d58178bf776153

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.