Mitad Y Mitad

Recording by Calibre 50.

Recording identifiers

ISRC
QM2EJ1500284
CopyrightID (CopyrightChains transaction hash)
0x9128d2c61ef1d4455c899b0ba22a067b17e65eac5a96fac9a51fe9c9af26a662
Copyright registration time
2026-06-04T09:31:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:37995a0f96684499d65204068e650310dc4b47772779fb4f6f409cb7c1b8b8d5

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.