Brindemos Por El Presente

Recording by Calibre 50.

Recording identifiers

ISRC
QM2EJ2100521
CopyrightID (CopyrightChains transaction hash)
0x41fca49c27f73cea258ccf2a7d751ae3a96c89c517ae7fe10ee05cf254c75b28
Copyright registration time
2026-06-11T04:05:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:4ef6b74b05a60a3c2625a5d5854c6aeeb6ecc846a5914b9740f428194bc2cf51

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.