The Little Blue Frog

Recording identifiers

ISRC

USSM16900329

Release date of the album this recording appears on

1970-04

CopyrightID (CopyrightChains transaction hash)

0xa4859f7ec706ca5fa41a2a236a83ec127a903f6dbea4a21f73b5e5a9060a5a65

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-22T17:48:40Z

Bitcoin block

959159

Canonical record hash

sha256:ae3129960184fe623b74ff1ffcf0588e3313ad06f4e9ec0085105591e27194db

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC USSM16900329

What this proof establishes

This recording was released in 1970, 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.