Act One Finale

Recording by Matthew Broderick.

Recording identifiers

ISRC
USBC19505351
CopyrightID (CopyrightChains transaction hash)
0x6d510ce4d11b24ebc6b7ac49849ef6184eb5b62777c353a8f48b7dc38d30420f
Copyright registration time
2026-07-30T02:53:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T03:35:13Z
Bitcoin block
960203
Canonical record hash
sha256:4200184c107b539423d02af9adbc02e025749afa0ba8b0ac7f92415d8c3f7d57

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.