Para Qué Pensarla Tanto

Recording by Calibre 50.

Recording identifiers

ISRC
QM2EJ1500416
CopyrightID (CopyrightChains transaction hash)
0xda756b403eae9682aa3cbf899157739c852440d96d61af9f18f6b41b721e4310
Copyright registration time
2026-06-04T07:57:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:ea76acec7559ad74f0eb19dd55fc5b041a21be38db07d6c09cf7c3590ca44ba4

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.