Perdus

Recording by Les Twenty-Nines.

Recording identifiers

ISRC
CAG0Z2400001
CopyrightID (CopyrightChains transaction hash)
0xdfc59e12901f4bc0f78e6571fefd641ff0bd60a74e94d9398bccde074e57a1ba
Copyright registration time
2026-07-05T15:45:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:435a394600ab91776a28ef65309e7ca7a2a97c182b2c0ba17066985d8e387adb

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.