Craig Solomon

@craigsolomon

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Founder, Fulcrum Enterprises — Building the Foundation for an AI Driven Future

FloridaJoined April 2026

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Founder, Fulcrum Enterprises. Building the foundation for an AI driven future.

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Craig Solomoncraigsolomon.hashnode.dev3 posts

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Verify ProofLedger Blockchain Timestamps in Python

9h ago · 5 min read · Your claims system receives a timestamped photo. The adjuster says it was taken before the storm. The metadata says yesterday. Who's right? When building software for insurance or legal contexts, you

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Verifying Blockchain Timestamps: A Developer's Guide to Evidence Authentication

11h ago · 5 min read · A file's metadata can lie. EXIF timestamps get stripped. Creation dates change when copied. But a hash anchored to a blockchain can't be faked. Here's how to verify ProofLedger timestamps programmatic

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Verify Blockchain Timestamps with Python and SHA-256

12h ago · 5 min read · You get a file from a client who claims they created it last month. They show you a blockchain timestamp as proof. How do you verify that timestamp is legitimate without trusting their word? I built P

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Craig Solomon

About

Available for

Craig Solomon's blogs

Recently published

Verify ProofLedger Blockchain Timestamps in Python

Verifying Blockchain Timestamps: A Developer's Guide to Evidence Authentication

Verify Blockchain Timestamps with Python and SHA-256

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Craig Solomon

About

Available for

Craig Solomon's blogs

Recently published

Verify ProofLedger Blockchain Timestamps in Python

Verifying Blockchain Timestamps: A Developer's Guide to Evidence Authentication

Verify Blockchain Timestamps with Python and SHA-256