Summertime

Recording by George Gershwin.

Recording identifiers

ISRC
GBBBA0841950
CopyrightID (CopyrightChains transaction hash)
0x10a73e5c2402c69c1608b2e73331abd3d8d26b0d77c6f8961340db87bea5be5b
Copyright registration time
2026-06-25T17:04:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:df040e8e54e27e2cf4f8eb951bc193136cdf69240f0e927e39bf89d03be25844

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.