El espejo

Recording by Bruno Cass.

Recording identifiers

ISRC
GBSMU5188260
CopyrightID (CopyrightChains transaction hash)
0xf75d348b674d47c6ba1d3730eb7e8274e5188a259e715b5b91db2e889591f303
Copyright registration time
2026-07-31T14:17:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T15:20:15Z
Bitcoin block
960418
Canonical record hash
sha256:32380849c57d4de9fde55acac946c10f989aa4b412711b36ae87c17d7ea9d27d

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.