67 XR-7

Recording by Jeff Kollman.

Recording identifiers

ISRC
USCGJ2151610
CopyrightID (CopyrightChains transaction hash)
0xf422b881a20aeaff4b2c894512f4961d26d24b20670468d4b1511c9fdc80a99f
Copyright registration time
2026-07-07T07:47:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:26cf97893f1e4102c719698435ff39a48832cd7b7f6f2a0dbb6d90d9f0dc590f

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.