At the Ballet

Recording by Marvin Hamlisch.

Recording identifiers

ISRC
USSM17500231
CopyrightID (CopyrightChains transaction hash)
0x4430e3bb3afbb80480b865ea439c0f6489f3b53930b3fe8b2606878dbe3ba792
Copyright registration time
2026-06-07T21:42:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:6e133c5f739de8a4d5e1e5ed81b5f2c847c2fff125f3fa475a48efa7a46c51af

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.