Dobbeltsidig Tape

Recording by Øystein Sunde.

Recording identifiers

ISRC
NOGTI0812090
CopyrightID (CopyrightChains transaction hash)
0xf49589ee90cad6d360207584ab1c0154f09d07512e8d19f20dfe42c937092d3e
Copyright registration time
2026-06-26T04:44:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:acf563df4177c99dc1d6308039deadb37c9572ec6acd5657d4ad3ae37e14c14b

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.