Baklengs ombord

Recording by Halvdan Sivertsen.

Recording identifiers

ISRC
NOBBZ1701010
CopyrightID (CopyrightChains transaction hash)
0x1e31f576e6697f7128dc5588afe1e4116c5a2e467eb9b8cf3adbc6fcb5ab6434
Copyright registration time
2026-06-23T17:30:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:15e9046e04e3e4c16031c9c55a7d8b844dc191e5e5a5640de7c482399545446f

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.