Cuestión de Tiempo

Recording by Karl Neudert.

Recording identifiers

ISRC
QZRP52478140
CopyrightID (CopyrightChains transaction hash)
0x3a7d13a383b1458706b8afcc95de927e97a0f456a20d08fae19b7e88937aa3bb
Copyright registration time
2026-06-21T14:18:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:a3d68aa2ccb115cda6ea7efdc92e1ebfc8675c4335b6d886569d0a811b3e7d1e

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.