The Nightmare - 1996 Original Broadway Cast

Recording identifiers

ISRC

USUMC0110257

CopyrightID (CopyrightChains transaction hash)

0x47e2dd1eb03e477be84180e3e0990caf7fabe5c8d59c496b6ecf6e3d440bf1e2

Copyright registration time

2026-07-07T18:01:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T03:20:19Z

Bitcoin block

957118

Canonical record hash

sha256:78d0af072d57d19b93e535b13a6f3a1267d275c4c45269b2115cde1344ec447a

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

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.