JAZZ&CIGARRO (spedup)

Recording by EF.

Recording identifiers

ISRC
QZTAT2340169
CopyrightID (CopyrightChains transaction hash)
0xee6bf996a903c20387d33a04f4a025022caa4d1f8eb0b0fac128b11e291c8a32
Copyright registration time
2026-06-07T13:46:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:74f9d48ee70da3eb895af3ebda3cf504e74fa6e8143529e5bf1cf88b1791c495

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.