Letter Never Sent - IYEARA Remix

Recording by Mark Lanegan.

Recording identifiers

ISRC
GB9TP2001113
CopyrightID (CopyrightChains transaction hash)
0x9485be87c37bfa2d2691a1f10406d86fbd221c0409d9f5cc809a59909b394284
Copyright registration time
2026-07-07T00:16:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:aa472f88de51f1a2ff6ee2ae75c919459f533403247039a5b4481ade35f3d53b

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.