I Have To Laugh

Recording by Mudhoney.

Recording identifiers

ISRC
ES8590900092
CopyrightID (CopyrightChains transaction hash)
0x4b82cbe89e5853c3a13e223e3cfc7d462b653d22933a7424d6fd2d6dc2d56a65
Copyright registration time
2026-07-07T17:37:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:2359267f3954517f0dd78b4de6f19e9eed73db475debad0864a04ecb21507b3b

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.