Tunnel

Recording by David Marin.

Recording identifiers

ISRC
CA60L1320002
CopyrightID (CopyrightChains transaction hash)
0x625271ed0351d59bcce81c40e3c92cfa682900b8c183ae7e23cbaa5083cc0424
Copyright registration time
2026-07-08T00:38:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:7f4fd1a2d02f3cdf51963702f18a7bf8f226b6cace3946e7280e8d1fc400a582

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.