No. 27

Recording by Sad Park.

Recording identifiers

ISRC
QZBRF1869091
CopyrightID (CopyrightChains transaction hash)
0xf87338c1bee3cec485078f1d257d634fd42488580b5f7024a0d7da5f9652a037
Copyright registration time
2026-06-21T08:40:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:0c82666ebda255cf9c0610855a1f52b5f087cc1ccdaa7176d13e4f4377c8c67f

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.