conversations

Recording by CASS.

Recording identifiers

ISRC
QZFZ42268770
CopyrightID (CopyrightChains transaction hash)
0xb0a2249a0b0436aadd7180971f67c5a0dce3e2f38867fcb281f0b18b5a129a4e
Copyright registration time
2026-06-20T10:22:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:13cf300c1456263258a2038f698509343d76143d40d6809e1682c710511427ca

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.