Craig Solomon - DEV Community

Craig Solomon

Sep 21

How to tell if your proof verifier is computing anything or just asking a server

#python #cryptography #opensource #mcp

5 min read

Craig Solomon

Sep 17

Your timestamp is an upper bound, not a date

#security #git #devops #cryptography

1

5 min read

Craig Solomon

Sep 10

Webhook Security Patterns for Async Proof Workflows: HMAC, Idempotency, and Replay Protection

#blockchain #insurance #legaltech #evidence

5 min read

Craig Solomon

Sep 3

Your build produces a hash. Who can check it without asking you?

#security #devops #cicd #opensource

6 min read

Craig Solomon

Aug 31

The Merkle Proof Bug That Silently Returns the Wrong Root

#blockchain #insurance #legaltech #evidence

3 min read

Craig Solomon

Aug 27

Verifying a Blockchain-Anchored Timestamp Without Trusting the Vendor

#blockchain #insurance #legaltech #evidence

4 min read

Craig Solomon

Aug 26

A checksum fixes half the problem.

#blockchain #insurance #legaltech #evidence

3 min read

Craig Solomon

Aug 21

FRE 901 Blockchain Evidence Authentication: What the Standard Actually Requires

#blockchain #insurance #legaltech #evidence

3 min read

Craig Solomon

Aug 20

Stacking C2PA Content Credentials with Blockchain Timestamps in Python

#blockchain #insurance #legaltech #evidence

5 min read

Craig Solomon

Aug 19

How Do Organizations Create Blockchain-Anchored Timestamps for Legal Evidence?

#blockchain #insurance #legaltech #evidence

5 min read

Craig Solomon

Aug 17

Beyond Authentication: FRE 803(6) and the Hearsay Problem in Blockchain Evidence

#blockchain #insurance #legaltech #evidence

4 min read

Craig Solomon

Aug 14

Pre-Loss Documentation: Why File Timestamps Don't Prove Timing (And What Does)

#blockchain #insurance #legaltech #evidence

2 min read

Craig Solomon

Aug 13

Watch-Folder Anchoring in Node.js: chokidar, Queues, and Rate-Limit Backoff

#blockchain #insurance #legaltech #evidence

5 min read

Craig Solomon

Aug 12

How Forensic Consultants Create Verifiable Digital Evidence Records

#blockchain #insurance #legaltech #evidence

4 min read

Craig Solomon

Aug 10

Idempotent File Anchoring: SHA-256 Dedup Before You Call the API

#blockchain #insurance #legaltech #evidence

5 min read

Craig Solomon

Aug 7

How Businesses Can Document Asset Conditions Before an Insurance Loss

#blockchain #insurance #legaltech #evidence

5 min read

Craig Solomon

Aug 6

Using SHA-256 as an Idempotency Key in a File Anchoring Pipeline

#blockchain #insurance #legaltech #evidence

5 min read

Craig Solomon

Aug 5

C2PA Content Credentials and the Chain-of-Custody Gap

#blockchain #insurance #legaltech #evidence

2 min read

Craig Solomon

Aug 3

How Opposing Counsel Attacks Blockchain Timestamp Evidence (and What the Technical Record Shows)

#blockchain #insurance #legaltech #evidence

5 min read

Craig Solomon

Jul 31

Video Evidence in Disputed Claims: Why Footage Timing Is the Authentication Problem

#blockchain #insurance #legaltech #evidence

5 min read

Craig Solomon

Jul 30

Idempotent File Anchoring in Python: SHA-256 as a Deduplication Key

#blockchain #insurance #legaltech #evidence

5 min read

Craig Solomon

Jul 29

How a Business Can Prove Asset Conditions Before a Hurricane, Theft, or Flood

#blockchain #insurance #legaltech #evidence

4 min read

Craig Solomon

Jul 27

Zubulake's Preservation Trigger: The "When Did You Know" Problem Blockchain Anchoring Addresses

#blockchain #insurance #legaltech #evidence

3 min read

Craig Solomon

Jul 23

Skip the Duplicate: Building an Idempotent File-Anchoring Worker in Python

#blockchain #insurance #legaltech #evidence

5 min read

Craig Solomon

Jul 22

Pre-Loss Evidence Documentation: The Case for Blockchain-Anchored Timestamps

#blockchain #insurance #legaltech #evidence

2 min read

Craig Solomon

Jul 20

Notarization vs. Blockchain Timestamping: Which Fits a Claims Portfolio

#blockchain #insurance #legaltech #evidence

4 min read

Craig Solomon

Jul 17

Blockchain Timestamping for Pre-Loss Evidence: Why File Metadata Isn't Enough

#blockchain #insurance #legaltech #evidence

2 min read

Craig Solomon

Jul 16

Notarization vs. Blockchain Timestamps: What Each One Proves Under the Federal Rules

#blockchain #insurance #legaltech #evidence

4 min read

Craig Solomon

Jul 15

Notarization vs. Blockchain Timestamp: What Each Actually Authenticates

#blockchain #insurance #legaltech #evidence

5 min read

Craig Solomon

Jul 13

Reliable Webhooks for Async Proof Pipelines: Signatures, Idempotency, and Replay Protection

#blockchain #insurance #legaltech #evidence

5 min read

Craig Solomon

Jul 9

Victor Stanley v. Creative Pipe and the Culpability Gap Blockchain Anchoring Closes

#blockchain #insurance #legaltech #evidence

3 min read

Craig Solomon

Jul 8

Construction Defect Claims and Burden of Proof: What Pre-Loss Documentation Has to Establish

#blockchain #insurance #legaltech #evidence

5 min read

Craig Solomon

Jul 6

The Original File Problem: What FRE 1002 Actually Requires When Digital Evidence Is Disputed

#blockchain #insurance #legaltech #evidence

4 min read

Craig Solomon

Jul 3

How to Create Tamper-Proof Records for Pre-Loss Documentation

#blockchain #insurance #legaltech #evidence

2 min read

Craig Solomon

Jul 2

Pippins v. KPMG: Proportional Preservation and the Gap Anchoring Fills

#blockchain #insurance #legaltech #evidence

3 min read

Craig Solomon

Jun 30

Chain of Custody Gaps in Digital Evidence: How Blockchain Timestamps Close Them

#blockchain #insurance #legaltech #evidence

2 min read

Craig Solomon

Jun 30

Batch File Anchoring in Python: Concurrency, Rate Limits, and Resumable Progress

#blockchain #insurance #legaltech #evidence

5 min read

Craig Solomon

Jun 30

When Evidence Timing Becomes the Dispute

#blockchain #insurance #legaltech #evidence

2 min read

Craig Solomon

Jun 29

Apple v. Samsung: How Institutional Processes Triggered an Adverse Inference

#blockchain #insurance #legaltech #evidence

3 min read

Craig Solomon

Jun 29

Merkle Proof Validation in Python: Walking from Leaf to Root

#blockchain #insurance #legaltech #evidence

3 min read

Craig Solomon

Jun 24

When Digital Evidence Timing Becomes the Dispute

#blockchain #insurance #legaltech #evidence

2 min read

Craig Solomon

Jun 22

Digital Evidence Authentication: Why Timestamps Matter More Than File Data

#blockchain #insurance #legaltech #evidence

2 min read

Craig Solomon

Jun 18

Mosaid v. Samsung: How Routine Deletion Policies Became Sanctions Risk

#blockchain #insurance #legaltech #evidence

2 min read

Craig Solomon

Jun 18

File Monitor with Automatic Hashing: Python Watchdog in Production

#blockchain #insurance #legaltech #evidence

4 min read

Craig Solomon

Jun 17

When File Timestamps Become Evidence in Court

#blockchain #insurance #legaltech #evidence

2 min read

Craig Solomon

Jun 15

Self-Authentication Under FRE 902(13) and 902(14): No Expert Required

#blockchain #insurance #legaltech #evidence

2 min read

Craig Solomon

Jun 15

Pension Committee v. Banc of America: How Blockchain Anchoring Changes Preservation Calculus

#blockchain #insurance #legaltech #evidence

2 min read

Craig Solomon

Jun 8

FRE 707 Certification Requirements: What Practitioners Must Know Before the Rule Takes Effect

#blockchain #insurance #legaltech #evidence

3 min read

Craig Solomon

Jun 8

Brookshire Bros. v. Aldridge: When Intent Matters More Than the Missing Evidence

#blockchain #insurance #legaltech #evidence

2 min read

Craig Solomon

Jun 8

Blockchain Evidence for Solo Attorneys and Small Insurance Agencies: An Accessible Guide

#blockchain #insurance #legaltech #evidence

4 min read

Craig Solomon

Jun 8

FRE 707 Implementation: How the Machine-Generated Evidence Rule Changes Authentication Practice

#blockchain #insurance #legaltech #evidence

4 min read

Craig Solomon

Jun 8

Pre-Loss Documentation: Why Timing Matters for Insurance Claims

#blockchain #insurance #legaltech #evidence

3 min read

Craig Solomon

Jun 8

Evidence Authentication in the Digital Age: Why FRE 901(b)(9) Matters for Claims Professionals

#blockchain #insurance #legaltech #evidence

5 min read

Craig Solomon

Jun 8

FRE 707 (Proposed): What the New Machine-Generated Evidence Rule Means for Blockchain Timestamps

#blockchain #insurance #legaltech #evidence

4 min read

Craig Solomon

Jun 8

When AI Platforms Block Your Original Work

#blockchain #copyright #ai #creators

4 min read

Craig Solomon

Jun 8

The Real Cost of Proving You Created Something First

#blockchain #copyright #ai #creators

3 min read

Craig Solomon

Jun 8

Detect tampered files by comparing hashes to on-chain anchors

#blockchain #copyright #ai #creators

3 min read

Craig Solomon

May 28

When Your Demo Becomes Someone Else's Hit

#blockchain #copyright #ai #creators

3 min read

Craig Solomon

May 23

FRE 707 (Proposed): What the New Machine-Generated Evidence Rule Means for Blockchain Timestamps

4 min read

Craig Solomon

May 22

Auto-Hash Files with Python's Watchdog: Building a File Monitor Pipeline

#blockchain #insurance #legaltech #evidence

4 min read