La copa del olvido

Recording by Alberto Castillo.

Recording identifiers

ISRC
DGA0S2413323
CopyrightID (CopyrightChains transaction hash)
0x11d7e9bbbb11c4de5d51f12348991f36c6ba2c5c0ad20d40aca8ab257e08ef04
Copyright registration time
2026-07-30T20:32:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T20:45:02Z
Bitcoin block
960311
Canonical record hash
sha256:9da5567c1b035983de7fc0e252e2276079b99665dbb00f068abd20b8f3e62665

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.