At the Ballet (Bonus Track)

Recording by Marvin Hamlisch.

Recording identifiers

ISRC
USSM11505292
CopyrightID (CopyrightChains transaction hash)
0x4799cfa0f05cbbe52c1d4e208e0d9d4477e1382c74822d704a37221b72f6efe6
Copyright registration time
2026-07-06T19:57:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:0af919be370d19f8bb722e4992bae8dd5fd69abbfc5d9f93a4f2fb1e3c1c726a

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.