Summertime - 9/8 Jumps - Piano Version

Recording by George Gershwin.

Recording identifiers

ISRC
GBKPL2296282
CopyrightID (CopyrightChains transaction hash)
0x4d3c6f03ee98a9f7588bfa73e42c68f0b12d3c309c2d3ceed1f6d1994242059c
Copyright registration time
2026-07-07T22:34:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:2f3c589cc9339fe83838285321c18deeccbe620df319c1d8c59ebb434b546ef4

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.