Summertime

Recording by Sonny & Cher.

Recording identifiers

ISRC
USAT20505244
CopyrightID (CopyrightChains transaction hash)
0xf1e6d5befdd8808b53c8cd7cae768bc87b1539614fc3eb1d093c886020bea196
Copyright registration time
2026-06-21T20:47:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:656b5bca847697f5d3327dec3f570f5a529632a619abde35f88b617f52a2da43

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.