Songfest: III. A Julia De Burgos

Recording by Leonard Bernstein.

Recording identifiers

ISRC
DEN962432312
CopyrightID (CopyrightChains transaction hash)
0xfdd4a01b292b27a9a116934ad2007dd709577e0df1162d5ab1e819c94e6e5f3b
Copyright registration time
2026-07-30T04:46:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T05:15:54Z
Bitcoin block
960209
Canonical record hash
sha256:7667156d029651c51be658cdf43d852f91a3c3b798af8fa1f9779c6e54098ea8

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.