Norwegian Wood

Recording by Martin Greis.

Recording identifiers

ISRC
DK4YA0903605
CopyrightID (CopyrightChains transaction hash)
0xf791d6b2b95fb68981bc35b440a0c93e6911247704facba0d25d6981580336c8
Copyright registration time
2026-07-31T19:33:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T19:53:13Z
Bitcoin block
960455
Canonical record hash
sha256:852541365319dae6d8c4e3aca6154d44e7f363e4936e7fca147b6e31f4a53646

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.