Company/Old Friends

Recording by Stephen Sondheim.

Recording identifiers

ISRC
USB961009347
CopyrightID (CopyrightChains transaction hash)
0xcc30f0a71d8dd9c889590436cb5e775470bca2c4da946b46af052af151135be1
Copyright registration time
2026-07-07T00:19:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:af714dab294b4c8991144d88dc300f23f52f00cd7d3ed2ebc34ffef4efec0b6e

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.