Jeg holder fast

Recording by Back To Back.

Recording identifiers

ISRC
DKABB0700036
CopyrightID (CopyrightChains transaction hash)
0x8b9b70083de6ac4bc69693f1d4c4d4bf4274738200e6f854638b7d510b33687a
Copyright registration time
2026-06-06T13:59:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:4627d3502781d5ad47fc66d168da035e68905cb08320c0a840c8d9683c96abda

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.