The Octave

Recording by Wim van Dullemen.

Recording identifiers

ISRC
DELJ81824090
CopyrightID (CopyrightChains transaction hash)
0x2d7a11d2047631d23b6868e0cab2b2c1cfa1c17628daa75daea6ddcb453edd06
Copyright registration time
2026-07-08T01:00:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:a294698cfac02e204d836e50e46a1b06f224aa8b704c9f96b895f81a513009fb

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.