Letter from Lithuania

Recording by Esbjörn Svensson Trio.

Recording identifiers

ISRC
SELED0004060
CopyrightID (CopyrightChains transaction hash)
0x6d6691c64796fbe3c51c0f9e7e06173c637d83bb2400ac1bb814e6b59f1fdb7b
Copyright registration time
2026-07-06T08:40:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T14:04:01Z
Bitcoin block
957046
Canonical record hash
sha256:0b66f46112db02db00e6e7afe017d82478a2183e8dca634f2a9aeaff94b816a6

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.