Tempora Mutantur

Recording by Hoymans.

Recording identifiers

ISRC
QZHPJ2221596
CopyrightID (CopyrightChains transaction hash)
0x7048a474e16f318e51a8da1e68ce9e4903af22a27882319ed1b1f5b1696ce026
Copyright registration time
2026-07-07T15:14:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:93a7095c0f814db7edf205d37d195f1d2348a507aa41f0e0e9d2a22774d2a5f3

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.