Den Hårda Kärnan

Recording by Hårda Tider.

Recording identifiers

ISRC
SE4MI1700501
CopyrightID (CopyrightChains transaction hash)
0xe2aa990c34c568b5d746b65bf174175cb542f04ac4116b3fd15e2d3e76bdbb5f
Copyright registration time
2026-06-26T14:23:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:b90e00b009864efcd68b6615607e40aa412334ae369b6835f257c3378a4199c4

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.