Contrapasso

Recording by Intronaut.

Recording identifiers

ISRC
USMBR2014160
CopyrightID (CopyrightChains transaction hash)
0x9fc8980dfe3801ca3283542c20da723e43def320a5e8023a4b41edb84cfbac70
Copyright registration time
2026-06-19T02:38:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:f89703c957d4f0035d0f47d3771f45bdd410e4f10bf696dd9eca03402ea72903

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.