Letter From An Unknown Woman

Recording by Dumbo Tracks.

Recording identifiers

ISRC
DEW282200034
CopyrightID (CopyrightChains transaction hash)
0xa84a345e9db7b663ae062e5c9015eb285fcafa60c898ca3c13e5d1ac6ffbd4c0
Copyright registration time
2026-06-19T14:08:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:571beecc58581c94771c32ad7c94118a1da1e35e3c1bac5c0fa7225a1fdd14db

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.