A Song of Summer

Recording by Jefre Cantu-Ledesma.

Recording identifiers

ISRC
QMV8L1621202
CopyrightID (CopyrightChains transaction hash)
0x86592cdc0ec4eec085c26ee145c066fc77c936a289d3a994e48dd4bd2861fabd
Copyright registration time
2026-06-19T22:03:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:d75b1b52e5718d1570b5199f15fac3580739867f1a35db9f2da2f6c1a0ddb419

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.