Sweet Summertime

Recording by MONTMARTRE.

Recording identifiers

ISRC
FR9W12419035
CopyrightID (CopyrightChains transaction hash)
0x7e7fc8a6e5886cedecf37a6ce40cfdb8761f0394f1c6e57542f2bfa2c2e37388
Copyright registration time
2026-06-07T07:15:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:15905a4d0d3e8e02c7ea2893d73ea070d6fca95cdd1b60b72a08d20a7834957c

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.