Summertime

Recording by George Gershwin.

Recording identifiers

ISRC
USSM15800043
CopyrightID (CopyrightChains transaction hash)
0x5b09884a883583d71ef17b7ed674ded6aed1bb5142b9581a87b7de2fd4628400
Copyright registration time
2026-06-20T03:45:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:07e4b94d26455c0ff92cb1457a1f68aa9c2011936fe4a6c0df1aaa156966b185

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.