One Hand, One Heart

Recording by Leonard Bernstein.

Recording identifiers

ISRC
DEN120304437
CopyrightID (CopyrightChains transaction hash)
0xb828610e0a9969b805aa2ef4db6c1ff0e6cb40c13cd8ab3609ee7ab48cf707d1
Copyright registration time
2026-06-09T14:38:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:6c1e045c33982049f29f1a1600b890ea18f4e90bed0cead0fb3111d4109bf6a9

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.