"a Lot of People Think..."

Recording by Stephen Sondheim.

Recording identifiers

ISRC
USB961009329
CopyrightID (CopyrightChains transaction hash)
0x4f61f054e36117756cbfb3f188a96365aff696f91b7c5edf8b98f141d2b4375e
Copyright registration time
2026-07-07T18:22:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:4424f423832846c08c0879ccbfe8d226297738d08052ffdc391f595d54606c23

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.