Letter for E.

Recording by Adam Baldych.

Recording identifiers

ISRC
DEA891400343
CopyrightID (CopyrightChains transaction hash)
0x2811b3ce58e678ea762ed3baf4592f9e82cefd56e2851f62e40dd0e1c919f7a6
Copyright registration time
2026-06-21T07:39:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:1a74ed1566a2dbcc6de1a010c67f867bc94970d4dbd1aa82c40883a5a21ad0f9

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.