Lettre encore

Recording by Roland Dyens.

Recording identifiers

ISRC
SEAEN0566130
CopyrightID (CopyrightChains transaction hash)
0xd4280df58a9e1c82395d28a8801c4c432695bc6c899039f14cd0fcdee1538762
Copyright registration time
2026-06-09T09:06:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:cae636e25457cb6f37003296ef792c7f0c263a7a0a5a59eb5c381c0407d7c2bb

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.