Angst

Recording by Ludwig Hirsch.

Recording identifiers

ISRC
DEF068005690
CopyrightID (CopyrightChains transaction hash)
0xa59a819b689ced1dafa54260e9539d0c64fc07960ffbdc3d91e8772921fc909f
Copyright registration time
2026-07-07T17:49:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:46bc7a85f8fc280c58191dd43bbe9e1b5d5b61fec2c58db1f240f04a7dd190ce

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.