Death Egg Robot (from "Sonic the Hedgehog 2")

Recording by Thomas Kresge.

Recording identifiers

ISRC
QZPJ32447670
CopyrightID (CopyrightChains transaction hash)
0x0d1f707252b4dccc83a41347acd04bc39e7b9fb62c7d79d980fe37af8526bc25
Copyright registration time
2026-08-01T00:19:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T00:40:43Z
Bitcoin block
960489
Canonical record hash
sha256:4dbcedccc26e10305725b3e57d23c8ae17bec0f00971a315976818281b67545b

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.