Summertime

Recording by George Gershwin.

Recording identifiers

ISRC
USPR34900089
CopyrightID (CopyrightChains transaction hash)
0x48ca2c1ed9c2d273f24d9d5bda8701d7d9c9c4694f619ec7089310d86f8798ac
Copyright registration time
2026-06-07T18:46:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:ce63d305c80ad66a9c9bd0127c2e0afd8efd67e1cc36df0d328327beace98869

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.