Haschkollektiv

Recording by Mattias Alkberg.

Recording identifiers

ISRC
SEXCH0047107
CopyrightID (CopyrightChains transaction hash)
0xfc95c7846952d73a5d0795c50b16f484ad39e108c951114c0b9da296b7b13927
Copyright registration time
2026-07-06T10:34:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:cc52f8c3f4d64bcfee481d268cb00005fa8d412913f31b1995dd6f66229c58e2

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.