Tjugonde

Recording by Mattias Alkberg.

Recording identifiers

ISRC
SE2FY1500601
CopyrightID (CopyrightChains transaction hash)
0xf141b9fbb952ea4295ab3bba257b0c84949f958e9a2168f81c27e84360f7f9f9
Copyright registration time
2026-06-26T06:24:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:95a5a4b0520cfcd923a13005484086e294525e53a48233ef876cba85fbd2c282

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.