Mass: Simple Song

Recording by Leonard Bernstein.

Recording identifiers

ISRC
GBBBA0541280
CopyrightID (CopyrightChains transaction hash)
0x664467b317160e14b7258b7fd56b392548abcb3bad900a5ab7d48c6e0b263a6c
Copyright registration time
2026-07-06T06:31:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:fa0b01417bd318dae64b74bd92eb5d5174375d5fd71b916f6c264ede442bce21

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.