Now I Don't Know

Recording identifiers

ISRC

GBBBM8002048

Release date of the album this recording appears on

1980-10-03

CopyrightID (CopyrightChains transaction hash)

0xc0811eacb27607e24634128984cb8b0964ce576ba1bcbdc0f25ff49a04e0cdc7

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-30T17:41:38Z

Bitcoin block

960288

Canonical record hash

sha256:98e7577387e65ccff9bc9ff08f54be9c5321c17df3ca7f33962b80a4463079d9

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC GBBBM8002048

What this proof establishes

This recording was released in 1980, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.