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Recording by Musical San Francisco.

Recording identifiers

ISRC
BR2BK1400007
CopyrightID (CopyrightChains transaction hash)
0x47fc6c87ab9883247f95a36645c45ad7df26b13ff11c26328a4e18e00707c38b
Copyright registration time
2026-07-06T08:40:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:0375f19a416675cdb87422a2b9fa8a2353c20faf2956d030f6ce8a372bd0187e

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.