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This article has not changed since Vitahash recorded it on the Base blockchain. Everything below can be checked without taking our word for any of it.

AHA 2026 Series | ZEUS is a reality check for anti-inflammatory drugs in heart disease

Chayakrit Krittanawong, MD, FACC, FAHA, FSCAI · 9 Nov 2026

Stamp ID
STAMP-2026-1109-WZVD5RJP
Content hash
1340794ea43745b80b6ab01f1605a903788a972b5a9e432f617f1dc6c20a39dc
Day recorded
2026-11-09
Articles recorded that day
15
Attestation UID
0x1bb2e246680a04397b432d223734470d6ce47b75c89b35e7f7092df08b007c08
View on EAS
Transaction
0x0d6604a01395a1e7bd8141dba86ad9a0243b7713d0e2512c8cebfca881037e5e
View on Basescan
Stamped
9 Nov 2026

Recorded on Base using canonicalization v2 and record format v1.

How this article reaches the blockchain

It was combined with the other 14 articles published that day, one step at a time, until the whole day became a single value. That one value is what Vitahash wrote to the blockchain. Change a single character of this article and the starting value below changes, so none of the steps would land on the recorded one.

Starting value for this article
0xc44d91285afa1b647ee4319ab34c3c0595b13ea04027dd96c32102b34819d279

Built from this article's content hash and its stamp ID, as sha256(0x00 || sha256(utf8(stampId)) || contentHash).

  1. Step 1, combined with the value before it
    0x5faf82916cd3880be15e48ed2ae808797437d50ae40623d9c739e482a3be8969
    0xb8c26df3d7b683d96a49bbe0af969b9e1e10031344d6320b33b8604fda53571c
  2. Step 2, combined with the value before it
    0x6bc06dc72f5dc6d837df8cbcc2c35176ccce2cb8cbb648535c1f024ba8451202
    0x48bb8d36bc9e4989e1abd7db5b8019afde13c7ba60804c888de69b70b630cfd7
  3. Step 3, combined with the value before it
    0x1af48d2f24d3b4525281700797451b50c58cc07806552eb1cc2e7d2dd141b158
    0x633ebd26ef3198219cdb8a14837c36de2d43289e37d57c1b0e4544bfc4cc76dd

    This is the value for the whole day.

Value these steps arrive at
0x633ebd26ef3198219cdb8a14837c36de2d43289e37d57c1b0e4544bfc4cc76dd

What the blockchain says

Two values, reached two different ways. The one above was worked out from this article. The one below was read back from the record on Base.

Worked out from this article
0x633ebd26ef3198219cdb8a14837c36de2d43289e37d57c1b0e4544bfc4cc76dd
Read from Base
0x633ebd26ef3198219cdb8a14837c36de2d43289e37d57c1b0e4544bfc4cc76dd
Read it yourself on EAS

They are the same value, so this article was published that day with exactly the text above.

Check it yourself

Every number on this page came from Vitahash. Copy the article's exact text below and check it against the hash above, using any SHA-256 tool.

{"abstract":null,"agreement":false,"authors":[{"identity":"Drkrittanawong","position":1,"role":"solo","weight":1.0000}],"body":{"content":[{"content":[{"text":"Inflammation plays an important role in cardiovascular disease. But can lowering…

Copy this text, paste it into any SHA-256 tool, and compare the result with the hash shown above. If the two match, this is exactly what Vitahash recorded.

For a technical reader: the terminal route

  1. 1. Hash the article yourself

    This downloads the exact text Vitahash hashed, in the exact form it hashed it, and hashes it again on your machine. Nothing Vitahash wrote runs here.

    curl -s "https://api.vitahash.org/api/verify/STAMP-2026-1109-WZVD5RJP/canonical" | shasum -a 256

    Should print 1340794ea43745b80b6ab01f1605a903788a972b5a9e432f617f1dc6c20a39dc

  2. 2. Build this article's starting value

    The stamp ID is folded in with the hash, so one article's record can never stand in for another's.

    STAMP=STAMP-2026-1109-WZVD5RJP CONTENT=1340794ea43745b80b6ab01f1605a903788a972b5a9e432f617f1dc6c20a39dc DIGEST=$(printf '%s' "$STAMP" | shasum -a 256 | cut -d' ' -f1) printf '00%s%s' "$DIGEST" "$CONTENT" | xxd -r -p | shasum -a 256

    Should print c44d91285afa1b647ee4319ab34c3c0595b13ea04027dd96c32102b34819d279

  3. 3. Combine step 1

    The published value goes first, then the value you have.

    printf '01%s%s' "5faf82916cd3880be15e48ed2ae808797437d50ae40623d9c739e482a3be8969" "c44d91285afa1b647ee4319ab34c3c0595b13ea04027dd96c32102b34819d279" | xxd -r -p | shasum -a 256

    Should print b8c26df3d7b683d96a49bbe0af969b9e1e10031344d6320b33b8604fda53571c

  4. 4. Combine step 2

    The published value goes first, then the value you have.

    printf '01%s%s' "6bc06dc72f5dc6d837df8cbcc2c35176ccce2cb8cbb648535c1f024ba8451202" "b8c26df3d7b683d96a49bbe0af969b9e1e10031344d6320b33b8604fda53571c" | xxd -r -p | shasum -a 256

    Should print 48bb8d36bc9e4989e1abd7db5b8019afde13c7ba60804c888de69b70b630cfd7

  5. 5. Combine step 3

    The published value goes first, then the value you have.

    printf '01%s%s' "1af48d2f24d3b4525281700797451b50c58cc07806552eb1cc2e7d2dd141b158" "48bb8d36bc9e4989e1abd7db5b8019afde13c7ba60804c888de69b70b630cfd7" | xxd -r -p | shasum -a 256

    Should print 633ebd26ef3198219cdb8a14837c36de2d43289e37d57c1b0e4544bfc4cc76dd

  6. 6. Compare with the blockchain

    The last value above is what the whole day came to. Read the record on Base and check its merkleRoot field is the same. Vitahash is not involved in this step at all.

    https://base.easscan.org/attestation/view/0x1bb2e246680a04397b432d223734470d6ce47b75c89b35e7f7092df08b007c08

The rules these commands follow are written down in full, so anyone can reimplement them.

Read the specification