So Lang

Recording by Trettmann.

Recording identifiers

ISRC
DELV42400235
CopyrightID (CopyrightChains transaction hash)
0x16f4e629ed834252107680b9972c92aa5c8e53f9da6a6afbcf5c3fd259f03c1c
Copyright registration time
2026-06-04T12:45:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:36bcf82e488112fd3d4af3ed91ef16802968f8f1b6db1ca0b494551565f4d17a

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.