12B - Ao Vivo

Recording by Musical San Francisco.

Recording identifiers

ISRC
BR2BK2400001
CopyrightID (CopyrightChains transaction hash)
0x7ac6c3307de7164d8ec1505089cb796ce158d4e8070531ae8e3150eaf7499620
Copyright registration time
2026-06-05T04:43:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:8d5060dd267c7700cf93277bc4056fd0ae45bcd49336adb174724215484737df

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.