Passage

Recording by Thomas Klak.

Recording identifiers

ISRC
QM6N22392020
CopyrightID (CopyrightChains transaction hash)
0x66d7f3869460de7ba165abd8b8281ea70da29004bbede07686f1dd8fcf977e4d
Copyright registration time
2026-07-06T08:03:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:f009695dc95de6e9e82156c907e15e9b29cc87b670047347be635d0c2759dd60

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.