70 Calaveras (En Vivo)

Recording by Alfonso Cota Y Los De La Sierra.

Recording identifiers

ISRC
QZDQH2398886
CopyrightID (CopyrightChains transaction hash)
0x1cfa2f586c3f636cb593df0d69bddb6da4f25e3bc2a4184f9ddf46409e1100b6
Copyright registration time
2026-07-06T09:14:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T14:04:01Z
Bitcoin block
957046
Canonical record hash
sha256:02648d3f33e597209f233a61cbd295527b55e364f32d759268fa05243d212c77

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.