Sobre una Tumba

Recording by Astrid Hadad.

Recording identifiers

ISRC
QM6MZ2029221
CopyrightID (CopyrightChains transaction hash)
0xd28d3ca3797b4143b8b832bd0552a3ae2d0a68cf308e3f64a836268ce43ce0c7
Copyright registration time
2026-07-29T19:02:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:307653a221367765a3d5cd14151ef82fbcffa44ff861bfd47000172c2a282ef5

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.