Glas, betong och cement

Recording by Martin Stenmarck.

Recording identifiers

ISRC
SEUM71401580
CopyrightID (CopyrightChains transaction hash)
0x70f8cdd0c88e1b701508f11d6d9d82595956129e5a51cd807fe3c9f9858dbbeb
Copyright registration time
2026-06-24T12:21:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:a0c3167a638c4f69683313f58da065cacc0ed187d9eed8e385a1d94c97b6ddde

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.