plain: {
  shape: page
  a: |`text
    TOKEN-1
    TOKEN-2
    TOKEN-3
  `|
}

hashed: {
  shape: page
  a: |`text
    36a9e7f...
    b82ffb9...
    78a4403...
  `|
}

NGINX: {
  a: |`text
    /auth
  `|
}

akas: {
  load and check format: {
    a: |`text
      plain: prefix + length [optional]
      hashed: SHA-256 format
    `|
  }
  HashSet: {shape: cylinder}
  /auth: {
    unauthorized
    OK
  }
  Extract token from header: {
    a: |`text
      Authorization: Bearer <token>
    `|
  }
  Check token format: {
    a: |`text
      prefix [optional]
      length [optional]
    `|
  }
  Verify if token exists: {
    a: |`text
      hashed: Hash token
    `|
  }
}

plain -> akas.load and check format
hashed -> akas.load and check format
akas.load and check format -> akas.HashSet

NGINX.a <-> akas./auth

akas./auth -> akas.Extract token from header
akas.Extract token from header -> akas.Check token format
akas.Check token format -> akas.Verify if token exists
akas.Verify if token exists -> akas.HashSet