Per Tu Ploro

Recording by Ramón Calduch.

Recording identifiers

ISRC
ESA031432474
CopyrightID (CopyrightChains transaction hash)
0x2d7583b268ede7a047c723f203daa8e5fb36a9c72f2c6e87ffeeae0bdf29b79a
Copyright registration time
2026-07-06T22:49:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:7e9729f8dbf69bf527bf2645e9a25496cfb3447924736c9fdb49ba0103ddd117

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.