Verify

Verified on Base

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.

Stamp ID
STAMP-2026-1009-7CBJXLII
Content hash
334e9eef14751f99fa4262c8685005a24b7327227dfd72aedcf8f4025ca7efdd
Day recorded
2026-10-10
Articles recorded that day
19
Attestation UID
0xb5876e55d95e5c9dd72430517b418d7e00db9efadd7c258e2a99bed5d50d278b
View on EAS
Transaction
0xdb7e81090abd4ba966e61ef8e62756a94bcf19b7c809c51e90b31991e1231c26
View on Basescan
Stamped
10 Oct 2026

Recorded on Base using canonicalization v2 and record format v1.

How this article reaches the blockchain

It was combined with the other 18 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
0xd672a45728ead5c97ba46796cf5a9f5ed94898210ca86a84fed946da42461b73

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 after it
    0x66dfda95fe47693450c4f18ba17b42a50bbcea107d0587258c3ef7811a5684c2
    0x3e0cf3321202ebc0918588abc509d29d6a3ba25cf325a093891ef759dfdad310
  2. Step 2, combined with the value after it
    0x8856ad81c27baca685d2ad2492d9c3ad81717372802e1e269d7029d6853d92b8
    0x8978a0b18be5c3656f9aef73199e9d6f8706cac1ca8c64792a790bab4740c956
  3. Step 3, combined with the value before it
    0xecdeedcd7dffbffe7af22d93dd4a3a8d1993720324e6eb9748a29f2dd5ebdc1e
    0x2ecef9dbf25e08daa8263ffbfff2a454ffa33a24827239aa072bafc40e22825d
  4. Step 4, combined with the value after it
    0x2e2b7a98c527abb764ea88e886dd169e6d135e7fefec2a5590ba44b68219312d
    0xfe61a3e7f1f8747a9f673767cd49f1fcaa5b415b85ddf5a046e009b0d2f4ebac
  5. Step 5, combined with the value after it
    0x180f27a5e63b918783e114c2441ae403faefb0077b18cf1a1eecc5aca0d0aa0f
    0x828135a5df501e3d746b93ce06b7d89cc9b5b24449ef7dddc051f36e67c59d68

    This is the value for the whole day.

Value these steps arrive at
0x828135a5df501e3d746b93ce06b7d89cc9b5b24449ef7dddc051f36e67c59d68

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
0x828135a5df501e3d746b93ce06b7d89cc9b5b24449ef7dddc051f36e67c59d68
Read from Base
0x828135a5df501e3d746b93ce06b7d89cc9b5b24449ef7dddc051f36e67c59d68
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":"brainboostcorner","position":1,"role":"solo","weight":1.0000}],"body":{"content":[{"content":[{"text":"Ever finish a meal and still feel hungry? Your brain needs time to register fu…

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-2026-1009-7CBJXLII/canonical" | shasum -a 256

    Should print 334e9eef14751f99fa4262c8685005a24b7327227dfd72aedcf8f4025ca7efdd

  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-2026-1009-7CBJXLII CONTENT=334e9eef14751f99fa4262c8685005a24b7327227dfd72aedcf8f4025ca7efdd DIGEST=$(printf '%s' "$STAMP" | shasum -a 256 | cut -d' ' -f1) printf '00%s%s' "$DIGEST" "$CONTENT" | xxd -r -p | shasum -a 256

    Should print d672a45728ead5c97ba46796cf5a9f5ed94898210ca86a84fed946da42461b73

  3. 3. Combine step 1

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

    printf '01%s%s' "d672a45728ead5c97ba46796cf5a9f5ed94898210ca86a84fed946da42461b73" "66dfda95fe47693450c4f18ba17b42a50bbcea107d0587258c3ef7811a5684c2" | xxd -r -p | shasum -a 256

    Should print 3e0cf3321202ebc0918588abc509d29d6a3ba25cf325a093891ef759dfdad310

  4. 4. Combine step 2

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

    printf '01%s%s' "3e0cf3321202ebc0918588abc509d29d6a3ba25cf325a093891ef759dfdad310" "8856ad81c27baca685d2ad2492d9c3ad81717372802e1e269d7029d6853d92b8" | xxd -r -p | shasum -a 256

    Should print 8978a0b18be5c3656f9aef73199e9d6f8706cac1ca8c64792a790bab4740c956

  5. 5. Combine step 3

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

    printf '01%s%s' "ecdeedcd7dffbffe7af22d93dd4a3a8d1993720324e6eb9748a29f2dd5ebdc1e" "8978a0b18be5c3656f9aef73199e9d6f8706cac1ca8c64792a790bab4740c956" | xxd -r -p | shasum -a 256

    Should print 2ecef9dbf25e08daa8263ffbfff2a454ffa33a24827239aa072bafc40e22825d

  6. 6. Combine step 4

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

    printf '01%s%s' "2ecef9dbf25e08daa8263ffbfff2a454ffa33a24827239aa072bafc40e22825d" "2e2b7a98c527abb764ea88e886dd169e6d135e7fefec2a5590ba44b68219312d" | xxd -r -p | shasum -a 256

    Should print fe61a3e7f1f8747a9f673767cd49f1fcaa5b415b85ddf5a046e009b0d2f4ebac

  7. 7. Combine step 5

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

    printf '01%s%s' "fe61a3e7f1f8747a9f673767cd49f1fcaa5b415b85ddf5a046e009b0d2f4ebac" "180f27a5e63b918783e114c2441ae403faefb0077b18cf1a1eecc5aca0d0aa0f" | xxd -r -p | shasum -a 256

    Should print 828135a5df501e3d746b93ce06b7d89cc9b5b24449ef7dddc051f36e67c59d68

  8. 8. 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/0xb5876e55d95e5c9dd72430517b418d7e00db9efadd7c258e2a99bed5d50d278b

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

Read the specification