MAYO 7

Recording by Piso 21.

Recording identifiers

ISRC
MXF152301599
CopyrightID (CopyrightChains transaction hash)
0x3cd6125b161dc0bdc1dddbdc35e263565dcdec9a956cd586a03b166cb151dd0a
Copyright registration time
2026-06-08T09:02:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:c99cd959b80aef39f8d80640bbba15ea5f3c47532f5a1eaf8b90b1201f6a3c41

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.