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Cryptographic Attestation

Fasting Insulin: The Lab Test Your Doctor Never Orders

Ledger hash verified in your browser
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What this proves

When this article was published, a named physician, Dr. Jacob Egbert, D.O., reviewed and approved the medical content. Authoritize then sealed it: its exact wording was run through SHA-256 to produce a unique fingerprint (the content hash). Change a single character of the article and that fingerprint changes completely.

That fingerprint was then locked into an append-only chain: each article's record carries the fingerprint of the one before it, so the whole publishing history is tamper-evident. Silently editing an older article would break every link that came after it.

Finally, an independent timestamp authority co-signed when the fingerprint existed, so the date can't be backdated. Your browser just recomputed the chain link from the values below to confirm this record is internally consistent, no need to take our word for it.

Who verifies what

Dr. Jacob Egbert, D.O. is responsible for the medical accuracy of this article. Authoritize provides the cryptographic seal, the chain, and the independent timestamp. It verifies that the content has not changed since the physician approved it. It does not author or endorse the clinical content.

The attestation

Reviewing physician

Dr. Jacob Egbert, D.O. (NPI 1932316304)

Attested at

Article version

1

Compliance scanner ruleset

v1.2.0

Cryptographic proof

Content hash (SHA-256)
ec0abade5619b4e6357840b428aba5e4ddab8811bf1a4fa3857235414c40935c
Content digest
aeff14a6761e5320acf851029edaaf4264b4acaa0a80457c8694104a680ea9f8
Previous record
de0fffba513b3876c5c2a60d803799576f4ac7049d116f42b9cbaa5a14b9a1ad
Chain hash
c9b6edbd87d3d202e6e18f879ad3ae1ba7b117be0bc6a5a5f3a56333d51ca402

Ledger hash verified in your browser

Your browser computed SHA-256(previous record + content hash) and got c9b6edbd87d3…, matching the chain hash on record.

This article's place in the ledger

This article links to the one published before it, forming an unbroken chain.

de0fffba513b…this article · ec0abade5619…next…

Third-party timestamp

An RFC 3161 trusted timestamp was issued by http://timestamp.digicert.com. This token independently proves the content hash existed at the time embedded inside it, and it cannot be backdated.

Show the raw RFC 3161 token (base64)
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

This attestation was sealed and timestamped by Authoritize, the content integrity platform for physician-led healthcare brands.

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