Por Siempre y para Siempre

Recording by Richard Mayner.

Recording identifiers

ISRC
QM7281553248
CopyrightID (CopyrightChains transaction hash)
0x5795f2309f6c43a40cbfd88ad67ea6169a0ca6aea8538719c1edbbe4bfed88c9
Copyright registration time
2026-06-09T05:36:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:6acc6ec523205bbcadf3b5a28589db3a7ce62e0bf3c7f9a122d9e8cbf4236423

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.