Double Whammy

Recording by Hank Mobley.

Recording identifiers

ISRC
USUM71811814
CopyrightID (CopyrightChains transaction hash)
0x8bd754239f5863ae28d095d087c2863b4099a0f1b2d8b03a06507192c94bd5aa
Copyright registration time
2026-07-06T22:50:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:4f86c853b21d9a7b1c8b2f7f910cd92b15ef2b6cb9061e047a4c932edcf7632f

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.